NVIDIA A100 PCIe 80 GB vs NVIDIA A40 PCIe

Comparison of NVIDIA A100 PCIe 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA A40 PCIe with 48 GB GDDR6 and 10,752 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A100 PCIe 80 GB

NVIDIA A100 PCIe 80 GB

MI250 MI250
Instinct MI300X Instinct MI300X
RX 7900 XTX RX 7900 XTX

NVIDIA A40 PCIe

NVIDIA A40 PCIe

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

80 GB 48 GB

Memory Type

HBM2e GDDR6

Memory Bandwidth

1.94 TB/s 695.8 GB/s

Memory Bus Width

5,120 бит 384 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS 37.42 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 37.42 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 0.5846 TFLOPS

CUDA Cores

6,912 10,752

RT Cores

No 84

Architecture & Compatibility

GPU Architecture

Ampere Ampere

SM (Streaming Multiprocessor)

108 84

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

8.0
🔥 8.6

Clocks & Performance

Base Clock

1,065 1,305

Boost Clock

1,410 1,740

Memory Clock

1,512 1,812

Power Consumption

TDP/TGP

300 W 300 W

Recommended PSU

700 W 700 W

Power Connector

8-pin EPS 8-pin EPS

Rendering

Texture Units (TMU)

432 336

ROP

No 84

L2 Cache

80 MB 6 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

June 28, 2021 Oct. 5, 2020

Display Outputs

No outputs
3x DisplayPort 1.4a

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