NVIDIA A100 PCIe 80 GB vs NVIDIA GeForce GT 640 OEM 2 GB

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

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A100 PCIe 80 GB

NVIDIA A100 PCIe 80 GB

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

NVIDIA GeForce GT 640 OEM 2 GB

NVIDIA GeForce GT 640 OEM 2 GB

Contents:

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

Memory

Memory Size

80 GB 2 GB

Memory Type

HBM2e DDR3

Memory Bandwidth

1.94 TB/s 28.51 GB/s

Memory Bus Width

5,120 бит 128 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS No

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 0.6121 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 0.0255 TFLOPS

CUDA Cores

6,912 384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere Kepler

SM (Streaming Multiprocessor)

108 No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

🔥 8.0
3.0

Clocks & Performance

Base Clock

1,065 No

Boost Clock

1,410 No

Memory Clock

1,512 891

Power Consumption

TDP/TGP

300 W
🔥 -83% 50 W

Recommended PSU

700 W
🔥 -64% 250 W

Power Connector

8-pin EPS None

Rendering

Texture Units (TMU)

432 32

ROP

No No

L2 Cache

80 MB 256 KB

Additional

Slots

Dual-slot Single-slot

Release Date

June 28, 2021 May 3, 2012

Display Outputs

No outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

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