Product Compare

AMD Radeon RX 6800 vs NVIDIA RTX PRO 4500 Blackwell

GPU GPU
Graphics Card
Release Date Oct 2020 Mar 2025
Generation Navi II Blackwell PRO W
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1700 MHz 1635 MHz
Boost Clock 2105 MHz 2407 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 16GB 32GB
Memory Type GDDR6 GDDR7
Memory Bus 256bit 256bit
Bandwidth 512.0GB/s 896.0GB/s
Render Config
Compute Units 60
Shading Units 3840 10496
TMUs 240 328
ROPs 96 112
RT Cores 60 82
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 4 MB 64 MB
L3 Cache 128 MB
SM Count 82
Tensor Cores 328
Theoretical Performance
Pixel Rate 202.1 GPixel/s 269.6 GPixel/s
Texture Rate 505.2 GTexel/s 789.5 GTexel/s
FP16 (half) 32.33 TFLOPS 50.53 TFLOPS
FP32 (float) 16.17 TFLOPS 50.53 TFLOPS
FP64 (double) 1010 GFLOPS 789.5 GFLOPS
Graphics Processor
GPU Name Navi 21 GB203
GPU Variant Navi 21 XL(215-121000187)
Architecture RDNA 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 7 nm 5 nm
Transistors 26.8 billion 45.6 billion
Die Size 520 mm² 378 mm²
Board Design
TDP 250W 200W
Suggested PSU 600 W 550 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 4x DisplayPort 2.1b
Power Connectors 2x 8-pin 1x 16-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.4
Shader Model 6.5 6.8
CUDA 12.0