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GeForce GTX 650 vs GeForce GTX 970

Intro

The GeForce GTX 650 comes with a GPU clock speed of 1058 MHz, and the 1024 MB of GDDR5 RAM runs at 1250 MHz through a 128-bit bus. It also is comprised of 384 Stream Processors, 32 TAUs, and 16 ROPs.

Compare those specifications to the GeForce GTX 970, which comes with GPU clock speed of 1050 MHz, and 4096 MB of GDDR5 RAM set to run at 1750 MHz through a 256-bit bus. It also is made up of 1664 SPUs, 104 Texture Address Units, and 64 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 970 10867 points
GeForce GTX 650 2263 points
Difference: 8604 (380%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 970 145 Watts
Difference: 81 Watts (127%)

Memory Bandwidth

In theory, the GeForce GTX 970 is 180% faster than the GeForce GTX 650 in general, because of its higher bandwidth. (explain)

GeForce GTX 970 224000 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 144000 (180%)

Texel Rate

The GeForce GTX 970 will be quite a bit (about 223%) more effective at anisotropic filtering than the GeForce GTX 650. (explain)

GeForce GTX 970 109200 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 75344 (223%)

Pixel Rate

The GeForce GTX 970 is much (more or less 297%) more effective at FSAA than the GeForce GTX 650, and also able to handle higher resolutions better. (explain)

GeForce GTX 970 67200 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 50272 (297%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 650

Amazon.com

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GeForce GTX 970

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 650 GeForce GTX 970
Manufacturer nVidia nVidia
Year September 2012 September 2014
Code Name GK107 GM204-200
Memory 1024 MB 4096 MB
Core Speed 1058 MHz 1050 MHz
Memory Speed 5000 MHz 7000 MHz
Power (Max TDP) 64 watts 145 watts
Bandwidth 80000 MB/sec 224000 MB/sec
Texel Rate 33856 Mtexels/sec 109200 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 384 1664
Texture Mapping Units 32 104
Render Output Units 16 64
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 1300 million 5200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Check prices at:

GeForce GTX 970

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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