Product Compare

AMD Radeon RX 6800 vs AMD Radeon RX 7650 GRE

GPU GPU
Graphics Card
Release Date Oct 2020 Feb 2025
Generation Navi II Navi III
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x8
Clock Speeds
Base Clock 1700 MHz 1720 MHz
Boost Clock 2105 MHz 2695 MHz
Memory Clock 2000 MHz 2250 MHz
Memory
Memory Size 16GB 8GB
Memory Type GDDR6 GDDR6
Memory Bus 256bit 128bit
Bandwidth 512.0GB/s 288.0GB/s
Render Config
Compute Units 60 32
Shading Units 3840 2048
TMUs 240 128
ROPs 96 64
RT Cores 60 32
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 4 MB 2 MB
L3 Cache 128 MB 32 MB
Theoretical Performance
Pixel Rate 202.1 GPixel/s 172.5 GPixel/s
Texture Rate 505.2 GTexel/s 345.0 GTexel/s
FP16 (half) 32.33 TFLOPS 44.15 TFLOPS
FP32 (float) 16.17 TFLOPS 22.08 TFLOPS
FP64 (double) 1010 GFLOPS 689.9 GFLOPS
Graphics Processor
GPU Name Navi 21 Navi 33
GPU Variant Navi 21 XL(215-121000187) Navi 33 XL(215-163000057)
Architecture RDNA 2.0 RDNA 3.0
Foundry TSMC TSMC
Process Size 7 nm 6 nm
Transistors 26.8 billion 13.3 billion
Die Size 520 mm² 204 mm²
Board Design
TDP 250W 165W
Suggested PSU 600 W 450 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors 2x 8-pin 1x 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 6.8