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Geforce GTX 670 vs Radeon R9 M295X

Intro

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

Compare those specs to the Radeon R9 M295X, which has GPU core speed of 750 MHz, and 4096 MB of GDDR5 memory running at 1375 MHz through a 256-bit bus. It also features 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
Geforce GTX 670 170 Watts
Difference: 45 Watts (36%)

Memory Bandwidth

Theoretically, the Geforce GTX 670 should perform a little bit faster than the Radeon R9 M295X overall. (explain)

Geforce GTX 670 192000 MB/sec
Radeon R9 M295X 176000 MB/sec
Difference: 16000 (9%)

Texel Rate

The Geforce GTX 670 will be a small bit (approximately 7%) faster with regards to anisotropic filtering than the Radeon R9 M295X. (explain)

Geforce GTX 670 102480 Mtexels/sec
Radeon R9 M295X 96000 Mtexels/sec
Difference: 6480 (7%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 670 is superior to the Radeon R9 M295X, and very much so. (explain)

Geforce GTX 670 29280 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 5280 (22%)

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

Check prices at:

Radeon R9 M295X

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 M295X
Manufacturer nVidia AMD
Year May 2012 2014
Code Name GK104 Unknown
Memory 2048 MB 4096 MB
Core Speed 915 MHz 750 MHz
Memory Speed 6000 MHz 5500 MHz
Power (Max TDP) 170 watts 125 watts
Bandwidth 192000 MB/sec 176000 MB/sec
Texel Rate 102480 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 1344 2048
Texture Mapping Units 112 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 3540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is worked out 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 M295X

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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