NVIDIA H100 PCIe vs NVIDIA Tesla K20s
GPU · Specs Compare
Graphics Card
Release Date
Mar 2022
Feb 2013
Generation
Tesla Hopper
Tesla
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1095 MHz
—
Boost Clock
1755 MHz
—
Memory Clock
1593 MHz
1300 MHz
Memory
Memory Size
80GB
5GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
320bit
Bandwidth
2039GB/s
208.0GB/s
Render Config
SM Count
114
—
Shading Units
14592
2496
TMUs
456
208
ROPs
24
40
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
16 KB (per SMX)
L2 Cache
50 MB
1280 KB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
29.90 GPixel/s
Texture Rate
800.3 GTexel/s
119.6 GTexel/s
FP16 (half)
204.9 TFLOPS
—
FP32 (float)
51.22 TFLOPS
2.870 TFLOPS
FP64 (double)
25.61 TFLOPS
956.8 GFLOPS
Graphics Processor
GPU Name
GH100
GK110
Architecture
Hopper
Kepler
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
80 billion
7.08 billion
Die Size
814 mm²
561 mm²
Board Design
TDP
350W
225W
Suggested PSU
750 W
550 W
Outputs
No outputs
No outputs
Power Connectors
1x 16-pin
—
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
CUDA
9.0
3.5
Shader Model
N/A
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.