Gainward GT 640

Gainward GT 640 — 1024 Гб GDDR5, 384 ядер, GPI 1.9

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Performance Rating

Gainward GT 640 содержит 1024 Гб видеопамяти GDDR5. Шина 64 бит, пропускная способность 40.06 GB/s. Gainward GT 640 имеет 384 CUDA ядра. Начиная с CUDA Toolkit версии 12, поддержка видеокарты удалена.

Reference card by chip manufacturer: NVIDIA GeForce GT 640 Rev. 2

A100 A100
H200 H200
MI325X MI325X

Gainward GT 640

1.9

Gainward GT 640

1.9

Memory

Memory Size

1,024 MB

Memory Type

Memory Bandwidth

40.06 GB/s

Memory Bus Width

64 бит

ML Performance

FP16 (Half Precision)

No TFLOPS

BF16 (Brain Float)

No TFLOPS
311.84 TFLOPS
(NVIDIA A800 SXM4 80 GB)

TF32 (TensorFloat)

Compute Power

FP32 (Single Precision)

0.8033 TFLOPS

FP64 (Double Precision)

0.0335 TFLOPS

CUDA Cores

Architecture & Compatibility

GPU Architecture

SM (Streaming Multiprocessor)

PCIe Version

PCIe 2.0 x8

ML Software Support

CUDA Version

Clocks & Performance

Base Clock

Memory Clock

Power Consumption

Recommended PSU

Power Connector

None

TDP/TGP

49 W
unknown
(NVIDIA CMP 70HX)

Rendering

Texture Units (TMU)

L2 Cache

512 KB

Additional

Slots

Single-slot
SXM Module
(NVIDIA B300)

Release Date

May 29, 2013
March 12, 2026
(Intel Arc B770)

Display Outputs

1x DVI
1x HDMI 1.4a
1x VGA
Portable Device Dependent
(NVIDIA GeForce RTX 5090 Mobile)

Recommendations

Эта видеокарта хорошо подходит для офисных задач,轻化版本: 这个游戏卡适用于办公室任务,不适合游戏、机器学习/人工智能或渲染。它的性能指数较低,处理图形和视频的能力有限。

Renting is cheaper than buying