Home GPU Comparison NVIDIA A800 PCIe 80 GB vs NVIDIA H100 SXM5 80 GB

NVIDIA A800 PCIe 80 GB vs NVIDIA H100 SXM5 80 GB

AI GPUAI GPU We compared two GPUs: 80GB VRAM A800 PCIe 80 GB and 80GB VRAM H100 SXM5 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A800 PCIe 80 GB 's Advantages
Larger VRAM bandwidth (2039GB/s vs 1681GB/s)
Lower TDP (250W vs 700W)
NVIDIA H100 SXM5 80 GB 's Advantages
Boost Clock has increased by 40% (1980MHz vs 1410MHz)
9984 additional rendering cores

Score

Benchmark

FP32 (float)
A800 PCIe 80 GB
19.49 TFLOPS
H100 SXM5 80 GB +243%
66.91 TFLOPS
VS

Graphics Card

Nov 2022
Release Date
Mar 2023
Ampere
Generation
Tesla Hopper
AI GPU
Type
AI GPU
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

1065 MHz
Base Clock
1590 MHz
1410 MHz
Boost Clock
1980 MHz
1593 MHz
Memory Clock
1313 MHz

Memory

80GB
Memory Size
80GB
HBM2e
Memory Type
HBM3
5120bit
Memory Bus
5120bit
2039GB/s
Bandwidth
1681GB/s

Render Config

-
-
-
108
SM Count
132
6912
Shading Units
16896
432
TMUs
528
160
ROPs
24
432
Tensor Cores
528
-
-
-
192 KB (per SM)
L1 Cache
256 KB (per SM)
80 MB
L2 Cache
50 MB
-
-
-

Theoretical Performance

225.6 GPixel/s
Pixel Rate
47.52 GPixel/s
609.1 GTexel/s
Texture Rate
1045 GTexel/s
77.97 TFLOPS
FP16 (half)
267.6 TFLOPS
19.49 TFLOPS
FP32 (float)
66.91 TFLOPS
9.746 TFLOPS
FP64 (double)
33.45 TFLOPS

Board Design

250W
TDP
700W
600 W
Suggested PSU
1100 W
No outputs
Outputs
No outputs
8-pin EPS
Power Connectors
8-pin EPS

Graphics Processor

GA100
GPU Name
GH100
-
-
-
Ampere
Architecture
Hopper
TSMC
Foundry
TSMC
7 nm
Process Size
4 nm
54.2 billion
Transistors
80 billion
826 mm²
Die Size
814 mm²

Graphics Features

N/A
DirectX
N/A
N/A
OpenGL
N/A
3.0
OpenCL
3.0
N/A
Vulkan
N/A
8.0
CUDA
9.0
N/A
Shader Model
N/A

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