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Radeon RX 6700 XT vs Radeon RX Vega 56

Intro

The Radeon RX 6700 XT uses a 7 nm design. AMD has clocked the core speed at 2321 MHz. The GDDR6 memory works at a speed of 2000 MHz on this card. It features 2560 SPUs along with 160 Texture Address Units and 64 Rasterization Operator Units.

Compare all of that to the Radeon RX Vega 56, which makes use of a 14 nm design. AMD has clocked the core speed at 1156 MHz. The HBM2 RAM is set to run at a speed of 1600 MHz on this particular card. It features 3584 SPUs as well as 224 Texture Address Units and 64 ROPs.

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 will be 7% faster than the Radeon RX 6700 XT in general, due to its greater bandwidth. (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 should be quite a bit (approximately 43%) more effective 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

The Radeon RX 6700 XT is a lot (about 101%) faster with regards to FSAA than the Radeon RX Vega 56, and also able to handle higher resolutions better. (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: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can 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 colour ROPs 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 rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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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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