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GeForce GTX 970 vs Radeon R9 280X


Intro

The GeForce GTX 970 has clock speeds of 1050 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 1664 SPUs along with 104 TAUs and 64 Rasterization Operator Units.

Compare that to the Radeon R9 280X, which features a core clock speed of 850 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 384-bit memory bus, and uses a 28 nm design. It features 2048 SPUs, 128 Texture Address Units, 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 10869 points
Radeon R9 280X 8870 points
Difference: 1999 (23%)

Zcash Mining Hash Rate

Radeon R9 280X 294 Sol/s
GeForce GTX 970 262 Sol/s
Difference: 32 (12%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
GeForce GTX 970 19 Mh/s
Difference: 2 (11%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Radeon R9 280X 250 Watts
Difference: 105 Watts (72%)

Memory Bandwidth

As far as performance goes, the Radeon R9 280X should theoretically be quite a bit better than the GeForce GTX 970 in general. (explain)

Radeon R9 280X 288000 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 64000 (29%)

Texel Rate

The GeForce GTX 970 should be a bit (approximately 0%) more effective at anisotropic filtering than the Radeon R9 280X. (explain)

GeForce GTX 970 109200 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 400 (0%)

Pixel Rate

The GeForce GTX 970 should be a lot (more or less 147%) faster with regards to FSAA than the Radeon R9 280X, and should be able to handle higher resolutions more effectively. (explain)

GeForce GTX 970 67200 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 40000 (147%)

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

Radeon R9 280X

Amazon.com

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 Radeon R9 280X
Manufacturer nVidia AMD
Year September 2014 October 2013
Code Name GM204-200 Tahiti XTL
Memory 4096 MB 3072 MB
Core Speed 1050 MHz 850 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 145 watts 250 watts
Bandwidth 224000 MB/sec 288000 MB/sec
Texel Rate 109200 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1664 2048
Texture Mapping Units 104 128
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 amount of texture map elements (texels) that are processed per 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 the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in a 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 outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 970

Amazon.com

Radeon R9 280X

Amazon.com

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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