AMD Radeon RX 6400 vs NVIDIA RTX PRO 4500 Blackwell Workstation
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Mar 2025
Generation
Navi II
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 5.0 x16
Clock Speeds
Base Clock
1923 MHz
1635 MHz
Boost Clock
2321 MHz
2407 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
4GB
32GB
Memory Type
GDDR6
GDDR7
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
896.0GB/s
Render Config
Compute Units
12
-
Shading Units
768
10496
TMUs
48
328
ROPs
32
112
RT Cores
12
82
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
64 MB
L3 Cache
16 MB
-
SM Count
-
82
Tensor Cores
-
328
Theoretical Performance
Pixel Rate
74.27 GPixel/s
269.6 GPixel/s
Texture Rate
111.4 GTexel/s
789.5 GTexel/s
FP16 (half)
7.130 TFLOPS
50.53 TFLOPS
FP32 (float)
3.565 TFLOPS
50.53 TFLOPS
FP64 (double)
222.8 GFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
Navi 24
GB203
GPU Variant
Navi 24 XL(215-135000046)
-
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
5.4 billion
45.6 billion
Die Size
107 mm²
378 mm²
Board Design
TDP
53W
200W
Suggested PSU
250 W
550 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.4
Shader Model
6.7
6.9
CUDA
-
12.0