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Geforce GTX 670 vs Radeon R9 285

Intro

The Geforce GTX 670 features a clock speed of 915 MHz and a GDDR5 memory frequency of 1500 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It is comprised of 1344 SPUs, 112 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon R9 285, which features clock speeds of 918 MHz on the GPU, and 1375 MHz on the 2048 MB of GDDR5 memory. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator 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

Radeon R9 285 8500 points
Geforce GTX 670 7351 points
Difference: 1149 (16%)

Ethereum Mining Hash Rate

Radeon R9 285 18 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 5 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670 170 Watts
Radeon R9 285 190 Watts
Difference: 20 Watts (12%)

Memory Bandwidth

Theoretically, the Geforce GTX 670 should perform a little bit faster than the Radeon R9 285 overall. (explain)

Geforce GTX 670 192000 MB/sec
Radeon R9 285 176000 MB/sec
Difference: 16000 (9%)

Texel Rate

The Radeon R9 285 is a bit (more or less 0%) faster with regards to anisotropic filtering than the Geforce GTX 670. (explain)

Radeon R9 285 102816 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 336 (0%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 285 is a better choice, though only just barely. (explain)

Radeon R9 285 29376 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 96 (0%)

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 670

Amazon.com

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Radeon R9 285

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.

Specifications

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Model Geforce GTX 670 Radeon R9 285
Manufacturer nVidia AMD
Year May 2012 September 2014
Code Name GK104 Tonga PRO
Memory 2048 MB 2048 MB
Core Speed 915 MHz 918 MHz
Memory Speed 6000 MHz 5500 MHz
Power (Max TDP) 170 watts 190 watts
Bandwidth 192000 MB/sec 176000 MB/sec
Texel Rate 102480 Mtexels/sec 102816 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 29376 Mpixels/sec
Unified Shaders 1344 1792
Texture Mapping Units 112 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.4

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the video 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 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 number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 285

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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