Gainward GT 640 2 GB vs NVIDIA A100 PCIe 80 GB

Comparison of Gainward GT 640 2 GB with 2 GB DDR3 and 384 cores vs NVIDIA A100 PCIe 80 GB with 80 GB HBM2e and 6,912 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

Gainward GT 640 2 GB

Gainward GT 640 2 GB

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

NVIDIA A100 PCIe 80 GB

NVIDIA A100 PCIe 80 GB

Contents:

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

Memory

Memory Size

2 GB 80 GB

Memory Type

DDR3 HBM2e

Memory Bandwidth

28.51 GB/s 1.94 TB/s

Memory Bus Width

128 бит 5,120 бит

ML Performance

FP16 (Half Precision)

No 77.97 TFLOPS

BF16 (Brain Float)

No 311.84 TFLOPS

TF32 (TensorFloat)

No 155.92

Compute Power

FP32 (Single Precision)

0.6927 TFLOPS 19.49 TFLOPS

FP64 (Double Precision)

0.0289 TFLOPS 9.746 TFLOPS

CUDA Cores

384 6,912

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Kepler Ampere

SM (Streaming Multiprocessor)

No 108

PCIe Version

PCIe 3.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

3.0
🔥 8.0

Clocks & Performance

Base Clock

No 1,065

Boost Clock

No 1,410

Memory Clock

891 1,512

Power Consumption

TDP/TGP

🔥 -78% 65 W
300 W

Recommended PSU

🔥 -64% 250 W
700 W

Power Connector

None 8-pin EPS

Rendering

Texture Units (TMU)

32 432

ROP

No No

L2 Cache

256 KB 80 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

June 5, 2012 June 28, 2021

Display Outputs

1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

1x DVI
1x HDMI 1.4a
1x VGA
No outputs

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