NVIDIA GeForce GT 640M LE

This is a GPU manufactured with TSMC 40nm process, based on Nvidia Fermi architecture and released on May 2012. It features 0.585 billion transistors, 96 CUDA cores and 2GB GDDR5 memory, with 256KB L2 cache, theoretical performance of 289.0GFLOPS, with total power consumption of 32W.

Graphics Card

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Release Date

May 2012

Generation

GeForce 600M

Type

Mobile

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

785 MHz

Memory

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Memory Size

2GB

Memory Type

GDDR5

Memory Bus

128bit

Bandwidth

50.24GB/s

Render Config

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SM Count

2

Shading Units

96

TMUs

16

ROPs

4

L1 Cache

64 KB (per SM)

L2 Cache

256 KB

Theoretical Performance

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Pixel Rate

3.012 GPixel/s

Texture Rate

12.05 GTexel/s

FP32 (float)

289.0 GFLOPS

FP64 (double)

24.08 GFLOPS

Graphics Processor

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GPU Name

GF108

Architecture

Fermi

Foundry

TSMC

Process Size

40 nm

Transistors

0.585 billion

Die Size

116 mm²

Board Design

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TDP

32W

Outputs

No outputs

Graphics Features

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DirectX

12 (11_0)

OpenGL

4.6

OpenCL

1.1

Vulkan

N/A

CUDA

2.1

Shader Model

5.1

Rankings

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FP32 (float)

NVIDIA GeForce 805A 1024 MB DDR3

0.291 TFLOPS

NVIDIA GeForce 810A 2 GB DDR3

0.291 TFLOPS

NVIDIA GeForce GT 720M 2 GB DDR3

0.291 TFLOPS

NVIDIA GeForce GT 640M LE 2 GB GDDR5

0.289 TFLOPS

ATI Mobility Radeon HD 550v 1024 MB GDDR3

0.288 TFLOPS

NVIDIA Quadro FX 2800M 1024 MB GDDR3

0.288 TFLOPS

ATI Radeon HD 2900 GT 256 MB GDDR3

0.288 TFLOPS

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