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Radeon R9 280 vs Radeon RX 570

Intro

The Radeon R9 280 features clock speeds of 933 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 memory. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 570, which comes with GPU core speed of 1168 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 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 RX 570 12108 points
Radeon R9 280 7961 points
Difference: 4147 (52%)

Zcash Mining Hash Rate

Radeon RX 570 298 Sol/s
Radeon R9 280 183 Sol/s
Difference: 115 (63%)

Ethereum Mining Hash Rate

Radeon RX 570 26 Mh/s
Radeon R9 280 22 Mh/s
Difference: 4 (18%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 570 150 Watts
Radeon R9 280 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

The Radeon R9 280 should in theory be just a bit faster than the Radeon RX 570 overall. (explain)

Radeon R9 280 240000 MB/sec
Radeon RX 570 229376 MB/sec
Difference: 10624 (5%)

Texel Rate

The Radeon RX 570 is much (approximately 43%) more effective at AF than the Radeon R9 280. (explain)

Radeon RX 570 149504 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 45008 (43%)

Pixel Rate

The Radeon RX 570 should be a lot (about 25%) better at full screen anti-aliasing than the Radeon R9 280, and also should be able to handle higher resolutions better. (explain)

Radeon RX 570 37376 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 7520 (25%)

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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Radeon R9 280

Amazon.com

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Radeon RX 570

Amazon.com

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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 Radeon R9 280 Radeon RX 570
Manufacturer AMD AMD
Year March 2014 April 2017
Code Name Tahiti Pro Polaris 20
Memory 3072 MB 4096 MB
Core Speed 933 MHz 1168 MHz
Memory Speed 5000 MHz 7000 MHz
Power (Max TDP) 250 watts 150 watts
Bandwidth 240000 MB/sec 229376 MB/sec
Texel Rate 104496 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 1792 2048
Texture Mapping Units 112 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 4313 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon R9 280

Amazon.com

Check prices at:

Radeon RX 570

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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