AMD Radeon Pro W6800 vs NVIDIA RTX PRO 4500 Blackwell
GPU · Specs Compare
Graphics Card
Release Date
Jun 2021
Mar 2025
Generation
Radeon Pro
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
2075 MHz
1635 MHz
Boost Clock
2320 MHz
2407 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
32GB
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
222.7 GPixel/s
269.6 GPixel/s
Texture Rate
556.8 GTexel/s
789.5 GTexel/s
FP16 (half)
35.64 TFLOPS
50.53 TFLOPS
FP32 (float)
17.82 TFLOPS
50.53 TFLOPS
FP64 (double)
1114 GFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
Navi 21
GB203
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
6x mini-DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
1x 6-pin + 1x 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
Benchmark
3DMark Time Spy
15,963
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.