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GeForce GTX 970 vs Geforce GTX 670

Intro

The GeForce GTX 970 makes use of a 28 nm design. nVidia has clocked the core speed at 1050 MHz. The GDDR5 memory is set to run at a speed of 1750 MHz on this particular card. It features 1664 SPUs along with 104 Texture Address Units and 64 Rasterization Operator Units.

Compare those specifications to the Geforce GTX 670, which has GPU core speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1500 MHz through a 256-bit bus. It also is comprised of 1344 SPUs, 112 TAUs, 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

In theory, the GeForce GTX 970 should be 17% quicker than the Geforce GTX 670 in general, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce GTX 970 should be a little bit (about 7%) faster with regards to 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 should be a lot (approximately 130%) better at AA than the Geforce GTX 670, and also should be able to handle higher screen resolutions without slowing down too much. (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 largest amount of information (in units of MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the interface 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 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed in one 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 the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum 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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