AMD Radeon PRO W7400 vs NVIDIA B300 SXM6 AC
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2025
Generation
Radeon Pro Navi
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 6.0 x16
Clock Speeds
Base Clock
1000 MHz
1665 MHz
Boost Clock
1100 MHz
2032 MHz
Memory Clock
1350 MHz
2000 MHz
Memory
Memory Size
8GB
288GB
Memory Type
GDDR6
HBM3e
Memory Bus
128bit
8192bit
Bandwidth
172.8GB/s
8.19TB/s
Render Config
Compute Units
28
—
Shading Units
1792
18944
TMUs
112
592
ROPs
64
24
RT Cores
28
—
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
126 MB
L3 Cache
32 MB
—
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
70.40 GPixel/s
48.77 GPixel/s
Texture Rate
123.2 GTexel/s
1202.9 GTexel/s
FP16 (half)
15.77 TFLOPS
76.99 TFLOPS
FP32 (float)
7.885 TFLOPS
76.99 TFLOPS
FP64 (double)
246.4 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Navi 33
GB110
GPU Variant
Navi 33
—
Architecture
RDNA 3.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.3 billion
208 billion
Die Size
204 mm²
1628 mm²
Board Design
TDP
55W
1100W
Suggested PSU
250 W
1500 W
Outputs
4x DisplayPort 2.1
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
6.8
N/A
CUDA
—
10.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.