NVIDIA B200 vs NVIDIA A100 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2024
Nov 2020
Generation
Server Blackwell
Tesla Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
700 MHz
1275 MHz
Boost Clock
1965 MHz
1410 MHz
Memory Clock
2000 MHz
1593 MHz
Memory
Memory Size
90GB
80GB
Memory Type
HBM3e
HBM2e
Memory Bus
4096bit
5120bit
Bandwidth
4.10TB/s
2039GB/s
Render Config
SM Count
148
108
Shading Units
18944
6912
TMUs
592
432
ROPs
24
160
Tensor Cores
592
432
L1 Cache
256 KB (per SM)
192 KB (per SM)
L2 Cache
50 MB
40 MB
Theoretical Performance
Pixel Rate
47.16 GPixel/s
225.6 GPixel/s
Texture Rate
1163.3 GTexel/s
609.1 GTexel/s
FP16 (half)
1191.2 TFLOPS
77.97 TFLOPS
FP32 (float)
74.45 TFLOPS
19.49 TFLOPS
FP64 (double)
37.22 TFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GB100
GA100
Architecture
Blackwell
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
104 billion
54.2 billion
Die Size
Unknown
826 mm²
Board Design
TDP
1000W
400W
Suggested PSU
1400 W
800 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
8.0
Shader Model
N/A
N/A