Product Compare

AMD Radeon RX 6800 XT vs AMD Radeon RX 7950 XTX

GPU GPU
Graphics Card
Release Date Oct 2020 Unknown
Generation Navi II Navi III
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1825 MHz 2200 MHz
Boost Clock 2250 MHz 3300 MHz
Memory Clock 2000 MHz 2500 MHz
Memory
Memory Size 16GB 24GB
Memory Type GDDR6 GDDR6
Memory Bus 256bit 384bit
Bandwidth 512.0GB/s 960.0GB/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 633.6 GPixel/s
Texture Rate 648.0 GTexel/s 1267 GTexel/s
FP16 (half) 41.47 TFLOPS 162.2 TFLOPS
FP32 (float) 20.74 TFLOPS 81.10 TFLOPS
FP64 (double) 1296 GFLOPS 2.534 TFLOPS
Graphics Processor
GPU Name Navi 21 Navi 31
GPU Variant Navi 21 XT(215-121000177) Navi 31 XTX+
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 355W
Suggested PSU 700 W 750 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
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 1.3
Shader Model 6.5 6.7