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GeForce GTX 970 vs Radeon R9 280X

Intro

The GeForce GTX 970 comes with a clock frequency of 1050 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is made up of 1664 SPUs, 104 TAUs, and 64 Raster Operation Units.

Compare all that to the Radeon R9 280X, which has core clock speeds of 850 MHz on the GPU, and 1500 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs as well as 128 TAUs 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

GeForce GTX 970 10867 points
Radeon R9 280X 8886 points
Difference: 1981 (22%)

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

In theory, the Radeon R9 280X should be much faster 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 will be a bit (about 0%) faster with regards to texture 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 will be a lot (about 147%) better at anti-aliasing than the Radeon R9 280X, and will be able to handle higher resolutions without losing too much performance. (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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max 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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