NVIDIA H800 SXM5 vs NVIDIA Tesla K20c
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Nov 2012
Generation
Server 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
1313 MHz
1300 MHz
Memory
Memory Size
80GB
5GB
Memory Type
HBM3
GDDR5
Memory Bus
5120bit
320bit
Bandwidth
3.36TB/s
208.0GB/s
Render Config
SM Count
132
—
Shading Units
16896
2496
TMUs
528
208
ROPs
24
40
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
16 KB (per SMX)
L2 Cache
50 MB
1280 KB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
36.71 GPixel/s
Texture Rate
926.6 GTexel/s
146.8 GTexel/s
FP16 (half)
237.2 TFLOPS
—
FP32 (float)
59.30 TFLOPS
3.524 TFLOPS
FP64 (double)
29.65 TFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
GH100
GK110
Architecture
Hopper
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
80 billion
7.08 billion
Die Size
814 mm²
561 mm²
GPU Variant
—
GK110-885-KA-A1
Board Design
TDP
700W
225W
Suggested PSU
1100 W
550 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
1x 6-pin + 1x 8-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
Benchmark
OctaneBench
—
55
▲ Specs Compare
Data sourced from official specifications and benchmark tests.