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NVIDIA GeForce GT 640 OEM 2 GB

GK107
Graphics Processor
384
Cores
32
TMUs
16
ROPs
2048 MB
Memory Size
DDR3
Memory Type
128 bit
Bus Width
NVIDIA GeForce GT 640 OEM 2 GB Image NVIDIA GK107 Image

Graphics Processor

GPU Name: GK107
GPU Variant: GK107-300-A2
Architecture: Kepler
Process Size: 28 nm
Transistors: 1,270 million
Die Size: 118 mm²

Graphics Card

Released: Apr 24th, 2012
May 3rd, 2012
Production Status: Active
Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: 797 MHz
Memory Clock: 891 MHz
1782 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: DDR3
Memory Bus: 128 bit
Bandwidth: 28.51 GB/s

Render Config

Shading Units: 384
TMUs: 32
ROPs: 16
SMX Count: 2
Pixel Rate: 6.376 GPixel/s
Texture Rate: 25.50 GTexel/s
Floating-point performance: 612.1 GFLOPS

Board Design

Slot Width: Single-slot
Length: 5.7 inches
145 mm
TDP: 50 W
Outputs: 1x DVI
1x HDMI
1x DisplayPort
Power Connectors: None
Board Number: P2010

Graphics Features

DirectX: 12.0
OpenGL: 4.6
OpenCL: 1.2
CUDA: 3.0
Shader Model: 5.0

Card Notes

OEM
DPUs: 128
SFUs: 64

Variant Memory: 4096MB DDR3
Variant Memory: 1024MB GDDR5

Other retail boards based on this design (2)

Name GPU Clock Memory Clock Other Changes
NVIDIA GeForce GT 640 OEM 1 GB 954 MHz 1250 MHz 1024 MB, GDDR5
NVIDIA GeForce GT 640 OEM 2 GB 797 MHz 891 MHz 2048 MB