NVIDIA H100 PCIe 80 GB vs NVIDIA B200 SXM 192 GB
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
Jan 2024
Generation
Server Hopper
Server Blackwell
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1095 MHz
1665 MHz
Boost Clock
1755 MHz
1837 MHz
Memory Clock
1593 MHz
2000 MHz
Memory
Memory Size
80GB
96GB
Memory Type
HBM2e
HBM3e
Memory Bus
5120bit
4096bit
Bandwidth
2.04TB/s
4.10TB/s
Render Config
SM Count
114
132
Shading Units
14592
16896
TMUs
456
528
ROPs
24
24
Tensor Cores
456
528
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
50 MB
50 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
44.09 GPixel/s
Texture Rate
800.3 GTexel/s
969.9 GTexel/s
FP16 (half)
204.9 TFLOPS
248.3 TFLOPS
FP32 (float)
51.22 TFLOPS
62.08 TFLOPS
FP64 (double)
25.61 TFLOPS
31.04 TFLOPS
Graphics Processor
GPU Name
GH100
GB100
Architecture
Hopper
Blackwell
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
104 billion
Die Size
814 mm²
Unknown
Board Design
TDP
350W
1000W
Suggested PSU
750 W
1400 W
Outputs
No outputs
No outputs
Power Connectors
1x 16-pin
-
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
9.0
10.0
Shader Model
N/A
N/A