NVIDIA B300 vs AMD Radeon Pro 5600M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jun 2020
Generation
Server Blackwell
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1000 MHz
Boost Clock
2032 MHz
1035 MHz
Memory Clock
2000 MHz
770 MHz
Memory
Memory Size
144GB
8GB
Memory Type
HBM3e
HBM2
Memory Bus
4096bit
2048bit
Bandwidth
4.10TB/s
394.2GB/s
Render Config
SM Count
148
—
Shading Units
18944
2560
TMUs
592
160
ROPs
24
64
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
—
L2 Cache
50 MB
4 MB
Compute Units
—
40
Theoretical Performance
Pixel Rate
48.77 GPixel/s
66.24 GPixel/s
Texture Rate
1202.9 GTexel/s
165.6 GTexel/s
FP16 (half)
1231.8 TFLOPS
10.60 TFLOPS
FP32 (float)
76.99 TFLOPS
5.299 TFLOPS
FP64 (double)
1202.9 GFLOPS
331.2 GFLOPS
Graphics Processor
GPU Name
GB110
Navi 12
Architecture
Blackwell Ultra
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
104 billion
Unknown
Die Size
Unknown
Unknown
GPU Variant
—
Navi 12
Board Design
TDP
1400W
50W
Suggested PSU
1800 W
—
Outputs
No outputs
No outputs
Power Connectors
—
None
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
10.3
—
Shader Model
N/A
6.5
Benchmark
3DMark Time Spy
—
3,973
3DMark Time Spy Extreme
—
2,546
▲ Specs Compare
Data sourced from official specifications and benchmark tests.