NVIDIA Tesla K20m vs NVIDIA H100 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2022
Generation
Tesla
Tesla Hopper
Type
Professional
AI GPU
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1300 MHz
1593 MHz
Base Clock
—
1095 MHz
Boost Clock
—
1755 MHz
Memory
Memory Size
5GB
80GB
Memory Type
GDDR5
HBM2e
Memory Bus
320bit
5120bit
Bandwidth
208.0GB/s
2039GB/s
Render Config
Shading Units
2496
14592
TMUs
208
456
ROPs
40
24
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
1280 KB
50 MB
SM Count
—
114
Tensor Cores
—
456
Theoretical Performance
Pixel Rate
36.71 GPixel/s
42.12 GPixel/s
Texture Rate
146.8 GTexel/s
800.3 GTexel/s
FP32 (float)
3.524 TFLOPS
51.22 TFLOPS
FP64 (double)
1175 GFLOPS
25.61 TFLOPS
FP16 (half)
—
204.9 TFLOPS
Graphics Processor
GPU Name
GK110
GH100
Architecture
Kepler
Hopper
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
7.08 billion
80 billion
Die Size
561 mm²
814 mm²
Board Design
TDP
225W
350W
Suggested PSU
550 W
750 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.5
9.0
Shader Model
5.1
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.