NVIDIA GeForce GT 640 OEM Rebrand Graphics Card

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Learn more about NVIDIA GeForce GT 640 OEM Rebrand:

Specifications

Generation
GeForce 600
GPU model
GF116
Interface
PCIe 2.0 x16
GPU clock
720 MHz
Memory size
1536 MB
DirectX
12 (11_0)
Release date
Apr 24th, 2012

Graphics Processor

GPU model
GF116
GPU variant
GF116-150-A1
Architecture
Fermi 2.0
Foundry
TSMC
Manufacturing process
40 nm
Number of transistors
1,170 million
Die size
238 mm²

Graphics Card

Release date
Apr 24th, 2012
Generation
GeForce 600
Production
End-of-life
Interface
PCIe 2.0 x16
Predecessor
GeForce 500
Successor
GeForce 700

Clocks

GPU clock
720 MHz
Shader clock
1440 MHz
Memory clock
800 MHz 1600 Mbps effective

Memory Configuration

Memory size
1536 MB
Memory type
DDR3
Memory bus width
192 bit
Bandwidth
38.40 GB/s

Render Configuration

Shading units
144
TMUs
24
ROPs
24
SM count
3
Cache L1
64 KB (per SM)
Cache L2
384 KB

Performance

Pixel rate
4.320 GPixel/s
Texture rate
17.28 GTexel/s
FP32 (float) performance
414.7 GFLOPS
FP64 (double) performance
34.56 GFLOPS (1:12)

Dimensions & Outputs

Slot width
Single-slot
Length
145 mm 5.7 inches
TDP
75 W
Suggested PSU
250 W
Outputs
2x DVI1x mini-HDMI
Power connectors
None
Board number
P1062

API Support & Features

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
CUDA
2.1
Shader model
5.1

Drivers

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Benchmark & Performance

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Gaming

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