Thursday, September 01, 2016

GeForce GTX 1070 Benchmarks


Recently, I bought a new 4K monitor and a GTX 1070 video card. To illustrate how rare that is, it’s been six years since I’ve had a new monitor, and two years since my last graphics card.
 
Naturally, I couldn’t have planned it that way even if I had tried. The truth is, I had fully intended on keeping my 27” monitor for a while longer as I liked being able to run any current game at 1920x1080 with 60 FPS (frames-per-second). However, earlier this year it developed an intermittent flickering which eventually gave way to it dying completely. I looked at a few 2560x1440 monitors, but I figured that it didn’t make sense to get one when the 4K monitors were nearly as inexpensive. So what exactly is 4K? Thankfully, it’s not what’s left of most people’s post-recession 401K, nor is it some kinky S&M bit from Fifty Shades of Grey. Numerically, 4K refers to the resolution of 3840x2160 that is twice HD’s 1920x1080. This is significant because 4K actually possesses four-times the pixels of HD (double both vertically and horizontally) and that translates directly into jaw-dropping clarity. Another advantage of 4K is the ability to display 10-bit color. HD is limited to 8-bit color which can only reproduce 256 shades of the three primary colors, red, green and blue. With 4K, there are 1,024 shades of each primary color giving remarkable image reproduction. Lastly, 4K also introduces High Dynamic Range (HDR) which is a standard of lighting that replicates a spectrum to create deeper, darker colors and vivid, brighter ones.

During the interim I was using an old 19” spare monitor that felt as obstructive and rudimentary as staring through a plywood peephole. So I settled on a 28” AOC gaming monitor and have really been impressed with it.  In my profession, I’ve dealt with a lot of monitors but the AOC is the first I’ve seen that comes with a sturdy, brushed-aluminum base instead of a flimsy plastic one. It’s also the first monitor to utilize the DisplayPort interface since I wanted to be certain I could run at the native resolution of 3840x2160 at 60 Hz. Older technologies like HDMI would have limited it to just 30 Hz.
 
While it all sounds great on paper, the only caveat is that this quad-fidelity comes at the expense of an enormous amount of video processing power. Previously, it was nearly impossible for a single graphics card to render a game smoothly at 3840x2160 but my new GTX 1070 finally puts that in reach. To illustrate 4K’s massive overhead, I attempted to run an older game at 4K to see if it would be playable on my two year-old GTX 970 graphics card. I chose Crysis 3 (2013) since I knew it would be old enough to hopefully run, yet new enough to actually support the 4K resolution. Crysis proved it would run at 4K, but I needed to substantially turn down the level of detail so that it could sustain acceptable frame rates of 30-40 FPS. Despite lowering overall settings to “Medium” it still looked fantastic at 3840x2160 as the textures were razor-sharp. It reminded me of the trade-off between Anti-Aliasing (AA) and resolution, in which you can sacrifice AA if the resolution is high enough.      
 
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Quite frankly, with the difficulty involved in securing the 1070, I was a little underwhelmed when I opened the box and the Heavens didn’t part and there were no singing angels. That small detail aside, there have always been several items included such as 6 or 8-pin power supply adapter, a DVI-to-Analog adapter, and with my 970, a nice mouse pad. As the picture above illustrates, inside the austere box there was only a small pamphlet and a compact disc, both of which were more useless than an inflatable dartboard. For starters, I pity anyone who buys this video card and then is such a novice that they actually have to read the enclosed guide which looks to be printed in every foreign language except English. Even the text on the disc, “Real Graphics, True Gaming” sounds like something lost in translation from Asian to American. Secondly, I’ve ranted about these bundled “Drivers Disc” for as long as I can remember (which probably goes all the way back to my first video card, a 4MB Diamond Monster 3D, in 1997). The reason being is that they are always hopelessly outdated and this Gigabyte disc is no different. The only graphics card drivers on it are from May 2016 and are just for Windows Vista, Windows 7 or Windows 8. Needless to say, this isn’t even remotely close to the Version 372.54 Windows 10 64-Bit Anniversary Update from August 15th that I needed. I purposely opted for the premium “Windforce” model because I didn’t want the bland and boring reference-style cooler that looks like it’s from a 2010 Radeon 5850. Despite that, the onyx-hued 1070 still looks rather dull and depressing next to the fiery red-trimmed 970. On the plus side, the 1070 only requires an 8-pin power connector instead of the 8+6 pin of the 970. However, the 1070 doesn’t have a light-up LED display like the 970 did, so make of that what you will.         

 
 
NVIDIA GTX 1070
NVIDIA GTX 970
CUDA CORES
1920
1664
TEXTURE UNITS
120
104
ROPs
64
56
CORE CLOCK
1500 MHz
1050 MHz
MEMORY CLOCK
8 Gbps GDDR5
7 Gbps GDDR5
BUS WIDTH
256-bit
256-bit
FRAME BUFFER
8000 MB
4000 MB
MAX TDP
150 watts
145 watts
MFG PROCESS
TSMC 16 nm
TSMC 28 nm
PRICE PAID
$399
$355 (2014)

 
Comparing the specs, the 1070 (codenamed “Pascal”) looks only marginally better than the 970, like more of a lateral move than a true upgrade. It has a meager 15% more CUDA cores, just 15% higher Memory Clock and only 20% more Texture Units. Yet, it’s a testament to the new architecture that it basically improves the performance of the 970 by an average of 50% while drawing only 5 watts more juice. However, it should be noted that bumping the resolution from 2560x1440 to 3840x2160 does comes with an enormous 50% performance penalty. But, not everyone loves Pascal, namely the enthusiasts with more dollars than sense who shelled out over $1,000 last year for a Titan X graphics card. The new 1070 offers better performance for less than half the price and is the reward for consumers such as myself who believe patience is a virtue.    

The GTX 1070 is for demanding games such as the new Forza Motorsport 6: Apex which has stiff requirements. The Recommended (1080p at 60 FPS) hardware is for an Intel Core i7-3820 @ 3.6 Ghz, GTX 970 and 12 GB RAM. Fortunately, I have 16 GB RAM but I’m barely under for the processor. Luckily, my slightly older i7-3770 is overclocked to 4.6 GHz so I feel that covers me even for the Ideal (4K at 60 FPS) requirement of an i7-6700k @ 4 Ghz. In terms of video at 4K, it calls for a 980 Ti so my new 1070 is beyond even that. However, it’s likely that other forthcoming games will have similar or stricter prerequisites so it’s probably time to consider a move to a fresh i7-6800K. The encouraging aspect is that the new Broadwell-E processors still support the X99 chipset (Socket LGA 2011-V3) which presents a clear upgrade path for several years to come. Regardless, four years on a Z77 platform is a pretty good track record for me. But if Zen’s Summit Ridge benchmarks hold true, it might also be my first new AMD CPU in ten years. 
 
Good DirectX12 benchmarks are hard to come by, as many require purchasing the full game to utilize (I’m looking at you Ashes of the Singularity, Hitman and Tomb Raider). However, I did my best to gather the most current and varied ones with an emphasis towards what me might see from future DX12 and VR games. Unfortunately, none supported the 3840x2160 resolution so I used the maximum fidelity available in each benchmark. Also, please note that there is no universal standard for results; some display an average frame rate, while others use a composite score generated from combining the results of the CPU and GPU tests. A few may even state something such as “Low” “Medium” or “High” to help users decipher the results. 

3DMARK TIME SPY

The first DX12 benchmark from Futuremark is big news, and a bit of an homage, featuring a spy creeping through a museum with recognizable items in it from previous 3DMarks. Despite the seemingly prosaic premise, it’s absolutely gorgeous and the stunning visuals belie the crushing workload exhibited on the processor and graphics card. My heavily-overclocked i7 struggled with the CPU test and scored just 14.1 FPS, or about half of what’s considered an acceptable frame rate (30 FPS). However, the big debate is over the 1070’s performance and whether its Achilles heel is DirectX 12 Asynchronous Compute efficiency. AMD’s R9 generation of graphics cards such as the FuryX already supported the Async Compute feature set, but it was widely known that Nvidia’s 900 series “Maxwell” did not, at least at the transistor level. For this reason, AMD’s 290x is as fast as Nvidia’s last-generation flagship 980 Ti under DX12! Pascal was supposed to address this deficiency, but for whatever reason, continues to use an (albeit newer) version of the Async Compute software emulation first seen in Maxwell. Without getting too granular, Pascal seeks to use its pre-emption capabilities to process Async Compute + Graphics tasks concurrently. Clearly, this will never be as fast as if was at the hardware level, but Nvidia’s clever software routines plus Pascal’s raw processing power helps mask the Async absence. My 970 drew a score of 23.2 FPS in Graphics Test 1 and 20.1 FPS in Graphics Test 2.  Meanwhile, the 1070 was around 65% faster posting 37.7 FPS in the first test and 33.4 FPS in the second one. 
 

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DEUS EX: MANKIND DIVIDED  

Although this AAA title just dropped on August 23rd, I wanted to squeeze in a quick comparison since it uses the new Dawn Engine. Based on a heavily modified version of IO Interactive’s proprietary Glacier 2 game engine, it boasts more improvements than you can shake an augmented limb at. For starters, it utilizes Tiled Lighting, with Deferred Rendering for opaque surfaces and Forward Lighting for transparent surfaces. Additionally, the Anti-Aliasing solution that the game uses is based on a temporal algorithm, and a temporal solution is used for Ambient Occlusion. Thankfully, it also includes a built-in benchmark, but the bad news is that DX12 is not supported at launch. Perhaps that isn’t altogether a bad thing, given how challenging it is under DX11. Eidos stated that their “recommended spec” for Mankind Divided is essentially the same system I have, an i7 3770 and a GTX 970. They claim that combination should yield 60 FPS at 1920x1080 on “High” quality. And it was pretty close, with my 970 scoring an average of 51.5 FPS. Obviously, this is disappointing as I fully believed my 1070 would be powerful enough to run it comfortably at 4K. In fact, the sad truth is that even with a 1070 you’re still pretty much limited to a 1920x1080 with “Ultra” quality and my 1070 averaged 50.2 FPS while the 970 hit 34.1 FPS. So, I settled on “High” quality at 2560x1440 which averaged 47.4 FPS. Unbelievably, you’d need a new $1200 Pascal Titan X just to squeeze out 60 FPS at 1920x1080 on “Ultra”. Without a doubt, Mankind Divided is the most graphics intensive game to date.   
 

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FINAL FANTASY XIV: HEAVENSWARD

Having never played it, I don’t pretend to know any of the Final Fantasy anthology. However, the psychedelic Heavensward benchmark looks like you took some LSD before attending a Japanese Manga convention. The kaleidoscopic scenes unravel rapidly with no rhyme or reason and there are dragons, waterfalls and lots of fighting and pretty explosions. The mind-altering visuals also seemed to perform well as an ersatz benchmark because at certain points they yanked my 970’s frame rate into the 20s. Overall, the 970 scored “Extremely High” with a 1920x1080 Preset of 11,978.  However, my 1070 showed the least improvement here, only topping the 970 by around 40% with 17,086.    
 

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STEAM VR PERFORMANCE TEST

Based on Valve’s Aperture Robot Repair VR demo, this program tries to determine whether a system’s hardware is sufficient for displaying Virtual Reality games like you might experience with an Oculus Rift or HTC Vive headset. Presently, there are no concrete standards so predicting how well any given game will perform is still largely hit-or-miss. Valve’s test gauges this by running the content at 90 FPS. VR is so demanding because for it to appear realistic, either two feeds are sent to one display, or it has two displays with one per eye. This means each scene is being rendered individually and in parallel. Many mainstream systems struggle to run one instance of a game so it’s easy to imagine the exponential workload of rendering it twice. Perhaps because it’s a relatively new science, these VR results were the most detailed, including a bizarre caveat that sounded like it had been drafted by one of Valve’s lawyers: “Please note that while your system’s rendering power isn’t limited by your CPU, this test doesn’t account for the varying CPU cost of positional tracking and processing-intense applications.” In other words, don’t sue us or demand a refund if you’re unable to acceptably run any of our VR products on your crappy computer. Despite the disclaimer, my 970 was pronounced “VR Ready” with the annotation that my system was “performing well enough for high quality VR”. Thusly, the 970 scored 7.3 (High) although such a result is clearly based on their esoteric measurements.  Conversely, the 1070 was ranked an 11 (Very High) with a 57% improvement and judged to be “well above for what is needed for high quality VR”.

 
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UNIGINE VALLEY

Released in 2013, this is the oldest benchmark here. But despite that and its modest DirectX 11 roots, cranking up the resolution and Anti-Aliasing still makes for a punishing test. Panoramic vistas are breathtakingly rendered in this demo, but the bucolic demeanor hides such GPU-crippling effects like Ambient Occlusion, Depth of Field, Dynamic Sky, Sun Shafts and Volumetric Clouds. The net result is a tangibly beautiful Ansel Adams portrait come to life, but at 2560x1600 and 8X AA, my 970 barely averaged 31.6 FPS. My 1070, while undeniably better, still failed to hit the magical 60 FPS mark, averaging just 48.4 FPS. Unigine Valley is also unique in that it includes a GPU temperature monitor so you can watch it heat up faster than a reactor at Fukushima. It peaked around 65 degrees Celsius which works out to a sizzling 150 degrees. I know the U.S. is the lone holdout, but I hate metric and don’t want any foreign rulers.   

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THE VERDICT

If the numbers are so good, why is Pascal a letdown? My biggest gripe was availability. When Nvidia released the previous generation, it was a “hard” launch with cards available immediately after the announcement. I was able to order my 970 the same day and have it within 48 hours. But the 1070 was announced on May 27th and it didn’t even go on sale until June 10th in “limited quantities”. In other words, you had better odds of hitting the Powerball Lottery than finding one for sale. It was this holdup that delayed my article for three months as I refused to pay $100 over MSRP for an early model. Honestly, I wouldn’t have thought that many people would have been willing to pay such a premium for a graphics card. Secondly, it’s because Nvidia has a history of breaking promises. Take my GTX 970 for instance. It was supposed to arrive on a smaller, faster 20 nm fab but it was still stuck on the same 28nm process as the 770 and 670 before it. And in 2014 when Nvidia debuted the 980, it promised that Pascal in 2016 would showcase, among other things, a revolutionary process of Unified Memory. This, the engineers claimed, would allow the GPU to “access the CPU’s memory, so developers don’t have to allocate resources between the two”. Nvidia also laughingly advertised something called “Pascal Module” which theoretically would make the graphics card “one-third the size of the standard boards used today” and “put the power of GPUs into more compact form factors than ever before”. That didn’t happen either as the 1070 measures right at 10.5" in length which is an inch longer than my 970. Also, I’m disappointed that Nvidia decided to go with DDR5X instead of the HBM2 memory used by AMD’s Fury line of video cards. Considering DDR5X is about 12% slower than HBM1, it seems Nvidia took the route of DDR5X purely for the cost savings over HBM2. Finally, the weak software Async Compute performance is unforgivable, particularly since it was such a mess in Maxwell. So what did they actually get right? They touted “3D Memory” that would allow “several times greater bandwidth, more than twice the memory capacity and quadrupled energy efficiency.” There’s no denying that Pascal does offer higher bandwidth, more memory, and better efficiency than the previous generation, but it’s hardly a ground-breaking technology. Remember that Intel has been using “Tri-Gate” transistors in its CPUs since Ivy Bridge in 2012.

No doubt about it, the new 1070 is the fastest single video card I’ve ever owned, but there’s still a ways to go for upcoming technologies like Virtual Reality. While consumers are clamoring for the pricey VR headsets, I’m taking a wait-and-see approach. From what I’ve read, VR still needs a lot of maturity. At the introduction of Pascal, Nvidia showcased a free collection of mini-games for the HTC Vive VR headset. Called “Funhouse”, it lets users compete in virtual games typically found at a carnival. Granted, the graphics are stunning but it was later disclosed that powering the game was not one, but three GTX 1080s, with one devoted solely to rendering physics. If that’s the case, it appears that it may well be the next-generation of graphics cards before a single-card solution is truly “VR Ready”.  And hot on the heels of the new Titan X announcement comes word that Nvidia might be bumping up its roadmap to release Pascal’s successor, Volta, next year instead of 2018.  If true, this would be both good and bad: on the positive side, we’d potentially see a much faster platform likely utilizing HBM memory as well as addressing Pascal’s DX12 weakness. But to ramp up production a year early would mean that Nvidia would have to abandon plans to debut Volta on a 10nm FinFET architecture and instead remain on Pascal’s older 16nm process. Am I sensing a pattern here?
 
Regardless, while the 1070 isn’t quite powerful enough to game at 4K, I still won’t lose a fortune on a Titan X if Nvidia decides to release a 1080 Ti later this year or Volta next year.         

 

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