AMD Radeon Instinct MI250 vs NVIDIA B200 SXM6
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
Nov 2024
Generation
Radeon Instinct
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1000 MHz
120 MHz
Boost Clock
1700 MHz
1830 MHz
Memory Clock
1600 MHz
2000 MHz
Memory
Memory Size
128GB
180GB
Memory Type
HBM2e
HBM3e
Memory Bus
8192bit
8192bit
Bandwidth
3277GB/s
8.19TB/s
Render Config
Compute Units
208
—
Shading Units
13312
18944
TMUs
832
592
ROPs
0
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
16 MB
126 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
0 MPixel/s
43.92 GPixel/s
Texture Rate
1414 GTexel/s
1083.4 GTexel/s
FP16 (half)
362.1 TFLOPS
1109.4 TFLOPS
FP32 (float)
45.26 TFLOPS
69.34 TFLOPS
FP64 (double)
45.26 TFLOPS
34.67 TFLOPS
Graphics Processor
GPU Name
Aldebaran
GB100
GPU Variant
Aldebaran
GB100-886N-A1
Architecture
CDNA 2.0
Blackwell
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
58.2 billion
208 billion
Die Size
Unknown
1628 mm²
Board Design
TDP
500W
1000W
Suggested PSU
900 W
1400 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
Shader Model
N/A
N/A
CUDA
—
10.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.