NVIDIA A800 SXM4 80 GB vs NVIDIA B200
GPU · Specs Compare
Graphics Card
Release Date
Aug 2022
Jan 2024
Generation
Ampere
Server Blackwell
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1155 MHz
700 MHz
Boost Clock
1410 MHz
1965 MHz
Memory Clock
1593 MHz
2000 MHz
Memory
Memory Size
80GB
90GB
Memory Type
HBM2e
HBM3e
Memory Bus
5120bit
4096bit
Bandwidth
2039GB/s
4.10TB/s
Render Config
SM Count
108
148
Shading Units
6912
18944
TMUs
432
592
ROPs
160
24
Tensor Cores
432
592
L1 Cache
192 KB (per SM)
256 KB (per SM)
L2 Cache
40 MB
50 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
47.16 GPixel/s
Texture Rate
609.1 GTexel/s
1163.3 GTexel/s
FP16 (half)
77.97 TFLOPS
1191.2 TFLOPS
FP32 (float)
19.49 TFLOPS
74.45 TFLOPS
FP64 (double)
9.746 TFLOPS
37.22 TFLOPS
Graphics Processor
GPU Name
GA100
GB100
Architecture
Ampere
Blackwell
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
54.2 billion
104 billion
Die Size
826 mm²
Unknown
Board Design
TDP
400W
1000W
Suggested PSU
800 W
1400 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
8.0
10.0
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.