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GeForce GTX 970M vs Radeon R9 285

Intro

The GeForce GTX 970M comes with a clock speed of 924 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 192-bit memory bus, and uses a 28 nm design. It features 1280 SPUs, 80 Texture Address Units, and 48 Raster Operation Units.

Compare all that to the Radeon R9 285, which comes with core speeds of 918 MHz on the GPU, and 1375 MHz on the 2048 MB of GDDR5 RAM. It features 1792 SPUs along with 112 Texture Address Units and 32 ROPs.

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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 970M 7520 points
Difference: 980 (13%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970M 75 Watts
Radeon R9 285 190 Watts
Difference: 115 Watts (153%)

Memory Bandwidth

Theoretically, the Radeon R9 285 should perform quite a bit faster than the GeForce GTX 970M overall. (explain)

Radeon R9 285 176000 MB/sec
GeForce GTX 970M 96000 MB/sec
Difference: 80000 (83%)

Texel Rate

The Radeon R9 285 should be much (more or less 39%) faster with regards to anisotropic filtering than the GeForce GTX 970M. (explain)

Radeon R9 285 102816 Mtexels/sec
GeForce GTX 970M 73920 Mtexels/sec
Difference: 28896 (39%)

Pixel Rate

The GeForce GTX 970M is much (more or less 51%) faster with regards to AA than the Radeon R9 285, and also capable of handling higher resolutions better. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon R9 285 29376 Mpixels/sec
Difference: 14976 (51%)

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 970M

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 970M Radeon R9 285
Manufacturer nVidia AMD
Year October 7 2014 September 2014
Code Name GM204 Tonga PRO
Memory 3072 MB 2048 MB
Core Speed 924 MHz 918 MHz
Memory Speed 4000 MHz 5500 MHz
Power (Max TDP) 75 watts 190 watts
Bandwidth 96000 MB/sec 176000 MB/sec
Texel Rate 73920 Mtexels/sec 102816 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 29376 Mpixels/sec
Unified Shaders 1280 1792
Texture Mapping Units 80 112
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.4

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock 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 rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 970M

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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