AMD Radeon Pro W5500M vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Feb 2020
Sep 2025
Generation
Radeon Pro Mobile
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1665 MHz
Boost Clock
1700 MHz
2032 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
4GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
128bit
4096bit
Bandwidth
224.0GB/s
4.10TB/s
Render Config
Compute Units
22
-
Shading Units
1408
18944
TMUs
88
592
ROPs
32
24
L2 Cache
2 MB
50 MB
SM Count
-
148
Tensor Cores
-
592
L1 Cache
-
256 KB (per SM)
Theoretical Performance
Pixel Rate
54.40 GPixel/s
48.77 GPixel/s
Texture Rate
149.6 GTexel/s
1202.9 GTexel/s
FP16 (half)
9.574 TFLOPS
1231.8 TFLOPS
FP32 (float)
4.787 TFLOPS
76.99 TFLOPS
FP64 (double)
299.2 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Navi 14
GB110
GPU Variant
Navi 14 PRO XTM
-
Architecture
RDNA 1.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
6.4 billion
104 billion
Die Size
158 mm²
Unknown
Board Design
TDP
85W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
-
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A
CUDA
-
10.3