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Radeon RX 6700 XT vs Radeon RX Vega 64

Intro

The Radeon RX 6700 XT makes use of a 7 nm design. AMD has set the core speed at 2321 MHz. The GDDR6 RAM runs at a speed of 2000 MHz on this model. It features 2560 SPUs as well as 160 Texture Address Units and 64 ROPs.

Compare all that to the Radeon RX Vega 64, which makes use of a 14 nm design. AMD has set the core speed at 1247 MHz. The HBM2 memory is set to run at a speed of 1890 MHz on this card. It features 4096 SPUs along with 256 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT 230 Watts
Radeon RX Vega 64 295 Watts
Difference: 65 Watts (28%)

Memory Bandwidth

The Radeon RX Vega 64 should theoretically be much faster than the Radeon RX 6700 XT overall. (explain)

Radeon RX Vega 64 495411 MB/sec
Radeon RX 6700 XT 393216 MB/sec
Difference: 102195 (26%)

Texel Rate

The Radeon RX 6700 XT will be a little bit (approximately 16%) better at AF than the Radeon RX Vega 64. (explain)

Radeon RX 6700 XT 371360 Mtexels/sec
Radeon RX Vega 64 319232 Mtexels/sec
Difference: 52128 (16%)

Pixel Rate

The Radeon RX 6700 XT is quite a bit (approximately 86%) faster with regards to full screen anti-aliasing than the Radeon RX Vega 64, and also capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX 6700 XT 148544 Mpixels/sec
Radeon RX Vega 64 79808 Mpixels/sec
Difference: 68736 (86%)

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 64

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 64
Manufacturer AMD AMD
Year March 2021 August 2017
Code Name Navi 22 Vega 10 XT
Memory (Unknown) MB 8192 MB
Core Speed 2321 MHz 1247 MHz
Memory Speed 2000 GB/s 1890 MHz
Power (Max TDP) 230 watts 295 watts
Bandwidth 393216 MB/sec 495411 MB/sec
Texel Rate 371360 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 148544 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 2560 4096
Texture Mapping Units 160 256
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 maximum amount of information (counted in MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 potential to get to the maximum fill rate.

Display Prices

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Radeon RX 6700 XT

Amazon.com

Check prices at:

Radeon RX Vega 64

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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