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Radeon R9 280 vs Radeon RX 6700 XT

Intro

The Radeon R9 280 has a core clock speed of 933 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 384-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon RX 6700 XT, which features clock speeds of 2321 MHz on the GPU, and 2000 MHz on the (Unknown) MB of GDDR6 RAM. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT 230 Watts
Radeon R9 280 250 Watts
Difference: 20 Watts (9%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6700 XT will be 64% faster than the Radeon R9 280 overall, because of its higher data rate. (explain)

Radeon RX 6700 XT 393216 MB/sec
Radeon R9 280 240000 MB/sec
Difference: 153216 (64%)

Texel Rate

The Radeon RX 6700 XT is quite a bit (approximately 255%) better at texture filtering than the Radeon R9 280. (explain)

Radeon RX 6700 XT 371360 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 266864 (255%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 6700 XT is superior to the Radeon R9 280, by a large margin. (explain)

Radeon RX 6700 XT 148544 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 118688 (398%)

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 6700 XT

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 6700 XT
Manufacturer AMD AMD
Year March 2014 March 2021
Code Name Tahiti Pro Navi 22
Memory 3072 MB (Unknown) MB
Core Speed 933 MHz 2321 MHz
Memory Speed 5000 MHz 4000 GB/s
Power (Max TDP) 250 watts 230 watts
Bandwidth 240000 MB/sec 393216 MB/sec
Texel Rate 104496 Mtexels/sec 371360 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 148544 Mpixels/sec
Unified Shaders 1792 2560
Texture Mapping Units 112 160
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 384-bit 192-bit
Fab Process 28 nm 7 nm
Transistors 4313 million 17200 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 280

Amazon.com

Check prices at:

Radeon RX 6700 XT

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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