NVIDIA A800 SXM4 80 GB vs NVIDIA GeForce GT 640 Rev. 2

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA GeForce GT 640 Rev. 2 with 1 GB GDDR5 and 384 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A800 SXM4 80 GB

NVIDIA A800 SXM4 80 GB

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

NVIDIA GeForce GT 640 Rev. 2

30.5

NVIDIA GeForce GT 640 Rev. 2

30.5

Contents:

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

Memory

Memory Size

80 GB 1 ГБ

Memory Type

HBM2e GDDR5

Memory Bandwidth

2.04 TB/s 40.06 GB/s

Memory Bus Width

5,120 бит 64 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 803.3 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 0.03347 TFLOPS

CUDA Cores

6,912 384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere Kepler 2.0

SM (Streaming Multiprocessor)

108 No

PCIe Version

PCIe 4.0 x16 PCIe 2.0 x8

ML Software Support

CUDA Version

🔥 8.0
3.5

Clocks & Performance

Base Clock

1,155 No

Boost Clock

1,410 No

Memory Clock

1,593 1,252

Power Consumption

TDP/TGP

400 W
🔥 -88% 49 W

Recommended PSU

800 W
🔥 -75% 200 W

Power Connector

None None

Rendering

Texture Units (TMU)

432 32

ROP

No No

L2 Cache

40 MB 512 KB

Additional

Slots

SXM Module Single-slot

Release Date

Aug. 11, 2022 May 29, 2013

Display Outputs

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

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