NVIDIA H100 CNX vs NVIDIA Tesla P40
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Sep 2016
Generation
Tesla Hopper
Tesla Pascal
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
690 MHz
1303 MHz
Boost Clock
1845 MHz
1531 MHz
Memory Clock
1593 MHz
1808 MHz
Memory
Memory Size
80GB
24GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
384bit
Bandwidth
2039GB/s
347.1GB/s
Render Config
SM Count
114
30
Shading Units
14592
3840
TMUs
456
240
ROPs
24
96
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
48 KB (per SM)
L2 Cache
50 MB
3 MB
Theoretical Performance
Pixel Rate
44.28 GPixel/s
147.0 GPixel/s
Texture Rate
841.3 GTexel/s
367.4 GTexel/s
FP16 (half)
215.4 TFLOPS
183.7 GFLOPS
FP32 (float)
53.84 TFLOPS
11.76 TFLOPS
FP64 (double)
26.92 TFLOPS
367.4 GFLOPS
Graphics Processor
GPU Name
GH100
GP102
Architecture
Hopper
Pascal
Foundry
TSMC
TSMC
Process Size
4 nm
16 nm
Transistors
80 billion
11.8 billion
Die Size
814 mm²
471 mm²
Board Design
TDP
350W
250W
Suggested PSU
750 W
600 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
8-pin EPS
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
9.0
6.1
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.