NVIDIA B200 SXM6 vs AMD Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2024
Dec 2023
Generation
Server Blackwell
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
120 MHz
1000 MHz
Boost Clock
1830 MHz
2100 MHz
Memory Clock
2000 MHz
2525 MHz
Memory
Memory Size
180GB
192GB
Memory Type
HBM3e
HBM3
Memory Bus
8192bit
8192bit
Bandwidth
8.19TB/s
10.3TB/s
Render Config
SM Count
148
—
Shading Units
18944
19456
TMUs
592
1216
ROPs
24
0
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
126 MB
16 MB
Compute Units
—
304
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
43.92 GPixel/s
0 MPixel/s
Texture Rate
1083.4 GTexel/s
2553.6 GTexel/s
FP16 (half)
1109.4 TFLOPS
653.7 TFLOPS
FP32 (float)
69.34 TFLOPS
81.72 TFLOPS
FP64 (double)
34.67 TFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GB100
Aqua Vanjaram
GPU Variant
GB100-886N-A1
—
Architecture
Blackwell
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
208 billion
153 billion
Die Size
1628 mm²
1017 mm²
Board Design
TDP
1000W
750W
Suggested PSU
1400 W
1150 W
Outputs
No outputs
No outputs
Power Connectors
—
None
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.