Home GPU Comparison NVIDIA H100 PCIe vs NVIDIA H800 PCIe 80 GB

NVIDIA H100 PCIe vs NVIDIA H800 PCIe 80 GB

NVIDIA H100 PCIe
VS
NVIDIA H800 PCIe 80 GB
NVIDIA H100 PCIe NVIDIA H800 PCIe 80 GB
AI GPUAI GPU We compared two GPUs: 80GB VRAM H100 PCIe and 80GB VRAM H800 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H800 PCIe 80 GB 's Advantages
Released 1 years late

Score

Benchmark

FP32 (float)
H100 PCIe
51.22 TFLOPS
H800 PCIe 80 GB
51.22 TFLOPS
H100 PCIe
VS
H800 PCIe 80 GB

Graphics Card

Mar 2022
Release Date
Mar 2023
Tesla Hopper
Generation
Tesla Hopper
AI GPU
Type
AI GPU
PCIe 5.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

1095 MHz
Base Clock
1095 MHz
1755 MHz
Boost Clock
1755 MHz
1593 MHz
Memory Clock
1593 MHz

Memory

80GB
Memory Size
80GB
HBM2e
Memory Type
HBM2e
5120bit
Memory Bus
5120bit
2039GB/s
Bandwidth
2039GB/s

Render Config

114
SM Count
114
-
Compute Units
-
14592
Shading Units
14592
456
TMUs
456
24
ROPs
24
456
Tensor Cores
456
-
RT Cores
-
256 KB (per SM)
L1 Cache
256 KB (per SM)
50 MB
L2 Cache
50 MB

Theoretical Performance

42.12 GPixel/s
Pixel Rate
42.12 GPixel/s
800.3 GTexel/s
Texture Rate
800.3 GTexel/s
204.9 TFLOPS
FP16 (half)
204.9 TFLOPS
51.22 TFLOPS
FP32 (float)
51.22 TFLOPS
25.61 TFLOPS
FP64 (double)
25.61 TFLOPS

Graphics Processor

GH100
GPU Name
GH100
-
GPU Variant
-
Hopper
Architecture
Hopper
TSMC
Foundry
TSMC
4 nm
Process Size
4 nm
80 billion
Transistors
80 billion
814 mm²
Die Size
814 mm²

Board Design

350W
TDP
350W
750 W
Suggested PSU
750 W
No outputs
Outputs
No outputs
1x 16-pin
Power Connectors
1x 16-pin

Graphics Features

N/A
DirectX
N/A
N/A
OpenGL
N/A
3.0
OpenCL
3.0
N/A
Vulkan
N/A
9.0
CUDA
9.0
N/A
Shader Model
N/A

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