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Geforce GTX 770 vs Radeon R9 280

Intro

The Geforce GTX 770 uses a 28 nm design. nVidia has set the core speed at 1046 MHz. The GDDR5 memory is set to run at a speed of 1753 MHz on this specific card. It features 1536 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon R9 280, which features a core clock speed of 933 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 384-bit memory bus, and uses a 28 nm design. It is made up of 1792 SPUs, 112 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

Radeon R9 280 7961 points
Geforce GTX 770 7854 points
Difference: 107 (1%)

Ethereum Mining Hash Rate

Radeon R9 280 22 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 8 (57%)

Zcash Mining Hash Rate

Radeon R9 280 183 Sol/s
Geforce GTX 770 70 Sol/s
Difference: 113 (161%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770 230 Watts
Radeon R9 280 250 Watts
Difference: 20 Watts (9%)

Memory Bandwidth

Theoretically, the Radeon R9 280 should perform a bit faster than the Geforce GTX 770 overall. (explain)

Radeon R9 280 240000 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 15616 (7%)

Texel Rate

The Geforce GTX 770 should be quite a bit (more or less 28%) more effective at AF than the Radeon R9 280. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 29392 (28%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 770 is a better choice, but it probably won't make a huge difference. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 3616 (12%)

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 770

Amazon.com

Check prices at:

Radeon R9 280

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 770 Radeon R9 280
Manufacturer nVidia AMD
Year May 2013 March 2014
Code Name GK104 Tahiti Pro
Memory 2048 MB 3072 MB
Core Speed 1046 MHz 933 MHz
Memory Speed 7012 MHz 5000 MHz
Power (Max TDP) 230 watts 250 watts
Bandwidth 224384 MB/sec 240000 MB/sec
Texel Rate 133888 Mtexels/sec 104496 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 29856 Mpixels/sec
Unified Shaders 1536 1792
Texture Mapping Units 128 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Geforce GTX 770

Amazon.com

Check prices at:

Radeon R9 280

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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