3D Vision Blog

A normal user's look into the world of 3D Stereo Technologies

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GeForce GTX 650 Ti Boost vs Radeon HD 7790 in Stereo 3D Mode

April 30th, 2013 · 1 Comment · Other S3D Tech

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Time for a comparison as promised in the post about the new GeForce GTX 650 Ti Boost GPU that looks very promising as an affordable solution for people willing to play in stereo 3D mode at a resolution of 720p. The direct competitor for the GTX 650 Ti Boost is the Radeon HD 7790, so I took one of these cards and compared the results it provides in 720p stereo 3D mode using the latest TriDef 3D driver to the results of the GTX 650 Ti Boost using 3D Vision. I’ve also compared both cards in 1080p 2D mode with the same games, because the Radeon HD 7790 is also a good option for people with tighter budgets that want to be able to get high detail levels at 1080p resolution in non-stereoscopic 3D mode, just like the GTX 650 Ti Boost is.


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Starting with 720p stereoscopic 3D results, you ca clearly see that apart from Far Cry 3 where the average framerate is very close for both cards and the game Tomb Raider where the Radeon is slightly faster in the other games the GTX 650 Ti Boost performs significantly better. The reason for that is the fact that the TriDef 3D driver is not as efficient performance wise as compared to the 3D Vision, so you might want to consider a slightly faster Radeon video card than the 7790 for playing in stereoscopic 3D mode at 720p resolution or sacrifice some of the detail levels and go for lower settings. Another interesting things that has turned out is the weird out of video memory message that we’ve got when trying to run Resident Evil 6 with TriDef on the Radeon HD 7790, apparently the 1GB video memory that the card had on-board was not enough.


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Moving to 1080p non stereoscopic 3D tests the results turn out completely opposite than what we’ve had for the 720p stereo 3D tests. Here in Crysis 3 and Dead Space 3 the Radeon is a bit slower, the average framerate is the same in Bioshock and in the other three games the Radeon is faster. SO while both the GeForce GTX 650 Ti Boost and the Radeon HD 7790 offer very good performance for playing games in 1080p resolution with high detail levels, the Radeon might be the slightly better choice. At the same time the GeForce GTX 650 Ti Boost is definitely the better choice for stereoscopic 3D gaming at 720p resolution.

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The Nvidia GeForce GTX 650 Ti Boost Does Well With 720p S3D

April 25th, 2013 · 1 Comment · GeForce 3D Vision

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Last year when Nvidia released the GeForce GTX 650 Ti it has turned out to be a decent budget card for 720p stereo 3D gaming that could also perform well in 1080p 2D mode, though with some compromises in details and no AA filtering for the higher resolution. Recently Nvidia has released an updated version of the GTX 650 Ti, the GeForce GTX 650 Ti Boost, a new GPU that promises a bit better performance and some extra features. If you remember the GTX 650 Ti did not support Boost Clock and SLI and the new GTX 650 Ti Boost model adds support for these and though the number of CUDA cores remains the same, there are a few extra ROPs, and the GPU is running with a bit higher frequency along with a wider memory bus and faster memory.


Specifications of GeForce GTX 650 Ti Boost:

CUDA Cores – 768
Graphics Clock – 980 MHz +55
Boost Clock – 1033 MHz
Texture Fill Rate – 62.7 GigaTexels/sec +3.5
Standard Memory Configuration – 2048 MB GDDR5 +1024MB
Memory Interface Width – 192-bit +64
Memory Clock – 3000 MHz (6000 MHz effective) +300 (600)
Memory Bandwidth – 144.2 GB/sec +57.8
Texture Units (TMU) – 64
Raster Operator Units (ROP) – 24 +8
Power connectors – 1x 6-pin PEG
Power consumption – 134W TDP +24
GPU Thermal Threshold – 105 degrees Celsius -7

* The numbers in red and green represent the upgrade or downgrade of the specific parameter in the GTX 650 Ti Boost as compared to the GTX 650 Ti!


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The stereo 3D benchmark results above were achieved on a mid-range computer – Biostar A960A3+ motherboard, AMD FX 4130 quad core processor, 4GB RAM and Windows 7 64-bit, together with a reference GTX 650 Ti Boost graphics card all of which were not overclocked. Testing on a few of the more recent and popular games in both stereoscopic 3D mode at 1280×720 resolution with high details and at 1080p resolution in non stereoscopic mode has shown very promising results, but you should forget about being able to play in 1920×1080 resolution in stereo 3 mode with this video card. I still recommend as a minimum for 1080p S3D gaming a GTX 660 Ti video card in order for you to have a good framerate and get a good overall experience when gaming with 3D Vision. Thanks to the SLI support that the GTX 650 Ti Boost however the option to use two of these cards in SLI might also be an interesting alternative to using a single GTX 660 Ti. Also enabling AA filtering at 720p resolution isn’t as taxing as on 1080p resolution in terms of performance drop, so you can get better quality without significant fps drop in order to compensate for the lower resolution.


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As you can see you are also not going to have trouble playing most games in 1080p resolution in non-stereoscopic mode with high detail levels, though in some more demanding games you might have to sacrifice a bit to get more comfortable framerate. So if you are looking for a GPU in the price range of the GTX 650 Ti, then you should go instead for the replacement GTX 650 Ti Boost mode. It has enough performance for stereo 3D gaming at 720p resolution on a 3D HDTV for example and it also works quite well in 1080p 2D resolution for most games with the High detail levels. Again if you want a card capable of providing comfortable framerates for stereoscopic 3D gaming at 1080p resolution for a 3D Vision monitor you should start from something like GTX 660 Ti as a minimum.

Coming up next is to see how does the GTX 650 Ti Boost compare to the competition in the face of the AMD Radeon HD 7790 graphics that is in the same price range of about $150 USD and should be offering very similar performance…

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