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GeForce GTX 970 vs Geforce GTX 770

Intro

The GeForce GTX 970 features a GPU core clock speed of 1050 MHz, and the 4096 MB of GDDR5 RAM runs at 1750 MHz through a 256-bit bus. It also is made up of 1664 Stream Processors, 104 Texture Address Units, and 64 Raster Operation Units.

Compare that to the Geforce GTX 770, which has GPU clock speed of 1046 MHz, and 2048 MB of GDDR5 memory running at 1753 MHz through a 256-bit bus. It also features 1536 Stream Processors, 128 TAUs, and 32 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 770 7854 points
Difference: 3013 (38%)

Zcash Mining Hash Rate

GeForce GTX 970 262 Sol/s
Geforce GTX 770 70 Sol/s
Difference: 192 (274%)

Ethereum Mining Hash Rate

GeForce GTX 970 19 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 5 (36%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Geforce GTX 770 230 Watts
Difference: 85 Watts (59%)

Memory Bandwidth

Theoretically, the Geforce GTX 770 should be a bit faster than the GeForce GTX 970 in general. (explain)

Geforce GTX 770 224384 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 384 (0%)

Texel Rate

The Geforce GTX 770 should be much (approximately 23%) faster with regards to texture filtering than the GeForce GTX 970. (explain)

Geforce GTX 770 133888 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 24688 (23%)

Pixel Rate

The GeForce GTX 970 should be quite a bit (about 101%) more effective at FSAA than the Geforce GTX 770, and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 970 67200 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 33728 (101%)

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 970

Amazon.com

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Geforce GTX 770

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 970 Geforce GTX 770
Manufacturer nVidia nVidia
Year September 2014 May 2013
Code Name GM204-200 GK104
Memory 4096 MB 2048 MB
Core Speed 1050 MHz 1046 MHz
Memory Speed 7000 MHz 7012 MHz
Power (Max TDP) 145 watts 230 watts
Bandwidth 224000 MB/sec 224384 MB/sec
Texel Rate 109200 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 1664 1536
Texture Mapping Units 104 128
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 number of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 970

Amazon.com

Check prices at:

Geforce GTX 770

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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