Report an Error

NVIDIA GeForce GT 640M LE

NVIDIA GeForce GT 640M LE Image NVIDIA GK107 Image
The GeForce GT 640M LE is a graphics card by NVIDIA, launched in March 2012. Built on the 28 nm process, and based on the GK107 graphics processor, in its N13P-LP variant, the card supports DirectX 11.0. The GK107 graphics processor is an average sized chip with a die area of 118 mm² and 1,270 million transistors. It features 384 shading units, 32 texture mapping units and 16 ROPs. NVIDIA has placed 1,024 MB DDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 500 MHz, memory is running at 900 MHz.
We recommend the NVIDIA GeForce GT 640M LE for gaming with highest details at resolutions up to, and including, 800x600.
Its power draw is rated at 20 W maximum. GeForce GT 640M LE is connected to the rest of the system using a PCIe 3.0 x16 interface.

Graphics Processor

GPU Name: GK107
GPU Variant: N13P-LP
Process Size: 28 nm
Transistors: 1,270 million
Die Size: 118 mm²

Graphics Card

Released: Mar 22nd, 2012
Production Status: Active
Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: 500 MHz
Memory Clock: 900 MHz
1800 MHz effective

Memory

Memory Size: 1024 MB
Memory Type: DDR3
Memory Bus: 128 bit
Bandwidth: 28.8 GB/s

Render Config

Shading Units: 384
TMUs: 32
ROPs: 16
SMX Count: 2
Pixel Rate: 4.00 GPixel/s
Texture Rate: 16.0 GTexel/s
Floating-point performance: 384.0 GFLOPS

Board Design

TDP: 20 W

Graphics Features

DirectX: 11.0
OpenGL: 4.5
OpenCL: 1.1
Shader Model: 5.0

VGA BIOS

Find graphics card BIOS for this card.

GPU-Z Validation

Find GPU-Z validations for this card.

Reviews

Our review database contains 2 reviews of the GeForce GT 640M LE.

Card Notes

(384SP)
Memory Variant: 2048MB DDR3
Memory Variant: 1024MB GDDR5

GK107 GPU Notes

Compute Capability: CUDA 3.0

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
NVIDIA GeForce GT 640M LE 500 MHz 1000 MHz GDDR5
NVIDIA GeForce GT 640M LE 2 GB 500 MHz 900 MHz 2048 MB