NVIDIA B200 vs AMD Radeon Instinct MI250
GPU · Specs Compare
Graphics Card
Release Date
Jan 2024
Nov 2021
Generation
Server Blackwell
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
700 MHz
1000 MHz
Boost Clock
1965 MHz
1700 MHz
Memory Clock
2000 MHz
1600 MHz
Memory
Memory Size
90GB
128GB
Memory Type
HBM3e
HBM2e
Memory Bus
4096bit
8192bit
Bandwidth
4.10TB/s
3277GB/s
Render Config
SM Count
148
—
Shading Units
18944
13312
TMUs
592
832
ROPs
24
0
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
16 MB
Compute Units
—
208
Theoretical Performance
Pixel Rate
47.16 GPixel/s
0 MPixel/s
Texture Rate
1163.3 GTexel/s
1414 GTexel/s
FP16 (half)
1191.2 TFLOPS
362.1 TFLOPS
FP32 (float)
74.45 TFLOPS
45.26 TFLOPS
FP64 (double)
37.22 TFLOPS
45.26 TFLOPS
Graphics Processor
GPU Name
GB100
Aldebaran
Architecture
Blackwell
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
104 billion
58.2 billion
Die Size
Unknown
Unknown
GPU Variant
—
Aldebaran
Board Design
TDP
1000W
500W
Suggested PSU
1400 W
900 W
Outputs
No outputs
No outputs
Power Connectors
—
2x 8-pin
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
10.0
—
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.