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Radeon RX 6700 XT vs Radeon RX Vega 56

Intro

The Radeon RX 6700 XT comes with core clock speeds of 2321 MHz on the GPU, and 2000 MHz on the (Unknown) MB of GDDR6 RAM. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Compare those specs to the Radeon RX Vega 56, which makes use of a 14 nm design. AMD has set the core speed at 1156 MHz. The HBM2 memory runs at a frequency of 1600 MHz on this specific model. It features 3584 SPUs along with 224 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56 210 Watts
Radeon RX 6700 XT 230 Watts
Difference: 20 Watts (10%)

Memory Bandwidth

Theoretically speaking, the Radeon RX Vega 56 should perform just a bit faster than the Radeon RX 6700 XT in general. (explain)

Radeon RX Vega 56 419430 MB/sec
Radeon RX 6700 XT 393216 MB/sec
Difference: 26214 (7%)

Texel Rate

The Radeon RX 6700 XT is quite a bit (approximately 43%) better at texture filtering than the Radeon RX Vega 56. (explain)

Radeon RX 6700 XT 371360 Mtexels/sec
Radeon RX Vega 56 258944 Mtexels/sec
Difference: 112416 (43%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 6700 XT is superior to the Radeon RX Vega 56, by far. (explain)

Radeon RX 6700 XT 148544 Mpixels/sec
Radeon RX Vega 56 73984 Mpixels/sec
Difference: 74560 (101%)

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 RX 6700 XT

Amazon.com

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Radeon RX Vega 56

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 RX 6700 XT Radeon RX Vega 56
Manufacturer AMD AMD
Year March 2021 September 2017
Code Name Navi 22 Vega 10 XL
Memory (Unknown) MB 8192 MB
Core Speed 2321 MHz 1156 MHz
Memory Speed 2000 GB/s 1600 MHz
Power (Max TDP) 230 watts 210 watts
Bandwidth 393216 MB/sec 419430 MB/sec
Texel Rate 371360 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 148544 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 2560 3584
Texture Mapping Units 160 224
Render Output Units 64 64
Bus Type GDDR6 HBM2
Bus Width 192-bit 2048-bit
Fab Process 7 nm 14 nm
Transistors 17200 million 12500 million
Bus PCIe 4.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units of the card 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 amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 6700 XT

Amazon.com

Check prices at:

Radeon RX Vega 56

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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