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GeForce GTX 970 vs Geforce GTX 670

Intro

The GeForce GTX 970 comes with clock speeds of 1050 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 1664 SPUs along with 104 TAUs and 64 ROPs.

Compare those specifications to the Geforce GTX 670, which features GPU core speed of 915 MHz, and 2048 MB of GDDR5 RAM running at 1500 MHz through a 256-bit bus. It also is comprised of 1344 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

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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 670 7351 points
Difference: 3516 (48%)

Ethereum Mining Hash Rate

GeForce GTX 970 19 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 6 (46%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Geforce GTX 670 170 Watts
Difference: 25 Watts (17%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 970 should in theory be a little bit better than the Geforce GTX 670 in general. (explain)

GeForce GTX 970 224000 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 32000 (17%)

Texel Rate

The GeForce GTX 970 will be a small bit (more or less 7%) more effective at AF than the Geforce GTX 670. (explain)

GeForce GTX 970 109200 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 6720 (7%)

Pixel Rate

The GeForce GTX 970 is quite a bit (about 130%) more effective at AA than the Geforce GTX 670, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 970 67200 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 37920 (130%)

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 670

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 670
Manufacturer nVidia nVidia
Year September 2014 May 2012
Code Name GM204-200 GK104
Memory 4096 MB 2048 MB
Core Speed 1050 MHz 915 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 145 watts 170 watts
Bandwidth 224000 MB/sec 192000 MB/sec
Texel Rate 109200 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 1664 1344
Texture Mapping Units 104 112
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 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip 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 colour ROPs by the the core 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 rate is also dependant on lots of other factors, most notably the memory bandwidth - 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 670

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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