AMD Radeon Pro W6400 vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2025
Generation
Radeon Pro
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 6.0 x16
Clock Speeds
Base Clock
2331 MHz
1665 MHz
Boost Clock
2331 MHz
2032 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
4GB
288GB
Memory Type
GDDR6
HBM3e
Memory Bus
64bit
8192bit
Bandwidth
112.0GB/s
8.19TB/s
Render Config
Compute Units
12
-
Shading Units
768
18944
TMUs
48
592
ROPs
32
24
RT Cores
12
-
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
1024 KB
126 MB
L3 Cache
8 MB
-
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
74.59 GPixel/s
48.77 GPixel/s
Texture Rate
111.9 GTexel/s
1202.9 GTexel/s
FP16 (half)
7.161 TFLOPS
76.99 TFLOPS
FP32 (float)
3.580 TFLOPS
76.99 TFLOPS
FP64 (double)
223.8 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Navi 24
GB110
GPU Variant
Navi 24 XL-W
-
Architecture
RDNA 2.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
5.4 billion
208 billion
Die Size
107 mm²
1628 mm²
Board Design
TDP
50W
1100W
Suggested PSU
250 W
1500 W
Outputs
2x DisplayPort 1.4a
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.6
N/A
CUDA
-
10.3
📊 Benchmark
Blender
221
-