Report an Error

NVIDIA GeForce GT 640 OEM 1 GB

GK107
Graphics Processor
384
Cores
32
TMUs
16
ROPs
1024 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
NVIDIA GeForce GT 640 OEM 1 GB Photo NVIDIA GK107 Photo

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

Release Date
Apr 24th, 2012
Generation
NVIDIA GeForce 600
Production Status
End-of-life
Bus Interface
PCIe 3.0 x16

Clock Speeds

GPU Clock
797 MHz
954 MHz (+20%)
Memory Clock
891 MHz
1250 MHz (+40%)
1782 MHz effective
5000 MHz effective

Memory

Memory Size
2048 MB
1024 MB
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
Bandwidth
28.51 GB/s
80.00 GB/s

Render Config

Shading Units
384
TMUs
32
ROPs
16
SMX Count
2

Theoretical Performance

Pixel Rate
6.376 GPixel/s
7.632 GPixel/s
Texture Rate
25.50 GTexel/s
30.53 GTexel/s
FP32 (float) performance
612.1 GFLOPS
732.7 GFLOPS
FP64 (double) performance
25.50 GFLOPS
30.53 GFLOPS (1:24)

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 (11_0)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.73
CUDA
3.0
Shader Model
5.1

Card Notes

OEM
DPUs: 128
SFUs: 64

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

GK107 GPU Notes

PureVideo HD: VP5
VDPAU: Feature Set D

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