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Radeon R9 295X2 vs Radeon RX 6700 XT

Intro

The Radeon R9 295X2 features a GPU core clock speed of 1018 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1250 MHz through a 512-bit bus. It also features 2816 SPUs, 176 TAUs, and 64 ROPs.

Compare all that to the Radeon RX 6700 XT, which comes with a clock frequency of 2321 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 192-bit bus, and makes use of a 7 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT 230 Watts
Radeon R9 295X2 500 Watts
Difference: 270 Watts (117%)

Memory Bandwidth

As far as performance goes, the Radeon R9 295X2 should theoretically be much better than the Radeon RX 6700 XT overall. (explain)

Radeon R9 295X2 640000 MB/sec
Radeon RX 6700 XT 393216 MB/sec
Difference: 246784 (63%)

Texel Rate

The Radeon RX 6700 XT will be just a bit (more or less 4%) better at texture filtering than the Radeon R9 295X2. (explain)

Radeon RX 6700 XT 371360 Mtexels/sec
Radeon R9 295X2 358336 Mtexels/sec
Difference: 13024 (4%)

Pixel Rate

The Radeon RX 6700 XT is a bit (about 14%) better at full screen anti-aliasing than the Radeon R9 295X2, and will be capable of handling higher resolutions better. (explain)

Radeon RX 6700 XT 148544 Mpixels/sec
Radeon R9 295X2 130304 Mpixels/sec
Difference: 18240 (14%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon R9 295X2

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 295X2 Radeon RX 6700 XT
Manufacturer AMD AMD
Year April 2014 March 2021
Code Name Vesuvius Navi 22
Memory 4096 MB (x2) (Unknown) MB
Core Speed 1018 MHz (x2) 2321 MHz
Memory Speed 5000 MHz (x2) 4000 GB/s
Power (Max TDP) 500 watts 230 watts
Bandwidth 640000 MB/sec 393216 MB/sec
Texel Rate 358336 Mtexels/sec 371360 Mtexels/sec
Pixel Rate 130304 Mpixels/sec 148544 Mpixels/sec
Unified Shaders 2816 (x2) 2560
Texture Mapping Units 176 (x2) 160
Render Output Units 64 (x2) 64
Bus Type GDDR5 GDDR6
Bus Width 512-bit (x2) 192-bit
Fab Process 28 nm 7 nm
Transistors 6200 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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 can be applied per second. This is calculated by multiplying the total texture units of the card 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Radeon R9 295X2

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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