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Radeon R9 280 vs Radeon RX 470


Intro

The Radeon R9 280 uses a 28 nm design. AMD has set the core speed at 933 MHz. The GDDR5 RAM runs at a speed of 1250 MHz on this particular card. It features 1792 SPUs as well as 112 TAUs and 32 ROPs.

Compare that to the Radeon RX 470, which has a GPU core clock speed of 926 MHz, and 8192 MB of GDDR5 RAM set to run at 1650 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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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 470 11810 points
Radeon R9 280 7949 points
Difference: 3861 (49%)

Zcash Mining Hash Rate

Radeon RX 470 289 Sol/s
Radeon R9 280 183 Sol/s
Difference: 106 (58%)

Ethereum Mining Hash Rate

Radeon RX 470 26 Mh/s
Radeon R9 280 22 Mh/s
Difference: 4 (18%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
Radeon R9 280 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

Theoretically, the Radeon R9 280 should perform a small bit faster than the Radeon RX 470 overall. (explain)

Radeon R9 280 240000 MB/sec
Radeon RX 470 211200 MB/sec
Difference: 28800 (14%)

Texel Rate

The Radeon RX 470 should be a little bit (more or less 13%) more effective at texture filtering than the Radeon R9 280. (explain)

Radeon RX 470 118528 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 14032 (13%)

Pixel Rate

The Radeon R9 280 will be a small bit (about 1%) better at anti-aliasing than the Radeon RX 470, and should be capable of handling higher resolutions more effectively. (explain)

Radeon R9 280 29856 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 224 (1%)

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

Radeon RX 470

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 Radeon R9 280 Radeon RX 470
Manufacturer AMD AMD
Year March 2014 August 2016
Code Name Tahiti Pro Polaris 10
Memory 3072 MB 8192 MB
Core Speed 933 MHz 926 MHz
Memory Speed 5000 MHz 6600 MHz
Power (Max TDP) 250 watts 120 watts
Bandwidth 240000 MB/sec 211200 MB/sec
Texel Rate 104496 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 29632 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: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write 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 card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 280

Amazon.com

Radeon RX 470

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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