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Geforce GTX 670 vs Radeon R9 M395X

Intro

The Geforce GTX 670 features core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs along with 112 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon R9 M395X, which comes with a core clock speed of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X 125 Watts
Geforce GTX 670 170 Watts
Difference: 45 Watts (36%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 670 should theoretically be just a bit superior to the Radeon R9 M395X overall. (explain)

Geforce GTX 670 192000 MB/sec
Radeon R9 M395X 160000 MB/sec
Difference: 32000 (20%)

Texel Rate

The Geforce GTX 670 will be a bit (approximately 11%) better at anisotropic filtering than the Radeon R9 M395X. (explain)

Geforce GTX 670 102480 Mtexels/sec
Radeon R9 M395X 92544 Mtexels/sec
Difference: 9936 (11%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 670 is the winner, by a large margin. (explain)

Geforce GTX 670 29280 Mpixels/sec
Radeon R9 M395X 23136 Mpixels/sec
Difference: 6144 (27%)

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 M395X

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 M395X
Manufacturer nVidia AMD
Year May 2012 2015
Code Name GK104 Tonga
Memory 2048 MB 4096 MB
Core Speed 915 MHz 723 MHz
Memory Speed 6000 MHz 5000 MHz
Power (Max TDP) 170 watts 125 watts
Bandwidth 192000 MB/sec 160000 MB/sec
Texel Rate 102480 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 23136 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 12
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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, 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 M395X

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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