AMD Radeon RX 6800 XT vs AMD Radeon PRO W7900D
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Nov 2025
Generation
Navi II
Radeon Pro Navi
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
1327 MHz
Boost Clock
2250 MHz
2156 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
16GB
48GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
864.0GB/s
Render Config
Compute Units
72
96
Shading Units
4608
6144
TMUs
288
384
ROPs
128
192
RT Cores
72
96
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
4 MB
6 MB
L3 Cache
128 MB
96 MB
Theoretical Performance
Pixel Rate
288.0 GPixel/s
414.0 GPixel/s
Texture Rate
648.0 GTexel/s
827.9 GTexel/s
FP16 (half)
41.47 TFLOPS
106.0 TFLOPS
FP32 (float)
20.74 TFLOPS
52.99 TFLOPS
FP64 (double)
1296 GFLOPS
1.656 TFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 31
GPU Variant
Navi 21 XT(215-121000177)
Navi 31
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
57.7 billion
Die Size
520 mm²
529 mm²
Board Design
TDP
300W
295W
Suggested PSU
700 W
600 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.3
1.4
Shader Model
6.5
6.9
📊 Benchmark
3DMark Time Spy
19,329
-