NVIDIA GeForce GT 640 (GK208 GDDR5)

Product status: Released | Report Error
Overview
Manufacturer
NVIDIA
Original Series
GeForce 600
Release Date
June 5th, 2012
Graphics Processing Unit
GPU Model
GK208-400 (GK208)
Architecture
Kepler
Fabrication Process
28 nm
Die Size
79 mm2
Transistors Count
1.3B
Transistors Density
16.1M TRAN/mm2
CUDA Cores
384
SMMs
2
GPCs
1
TMUs
32
ROPs
16
Clocks
Base Clock
1046 MHz
Boost Clock
TBD
Memory Clock
1250 MHz
Effective Memory Clock
5000 Mbps
Memory Configuration
Memory Size
2048 MB
Memory Type
GDDR5
Memory Bus Width
128-bit
Memory Bandwidth
80.0 GB/s
Technologies
  • NVIDIA 3D Vision
  • NVIDIA CUDA
  • NVIDIA PhysX

VideoCardz.com

Physical
Interface
PCI-Express 3.0 x16
Height
1-slot
Power Connectors
-
Maximum Temperature
98 °C
Multi-GPU Support
Unsupported
Display Outputs
DVI-D DualLink
1 ×
DVI-I DualLink
1 ×
miniHDMI
1 ×
API Support
DirectX
12.0
Vulkan
1.0
OpenGL
4.5
OpenCL
2.0
Shader Model
5.0

Performance
Pixel Fillrate
16.7 GPixels/s
Texture Fillrate
33.5 GTexel/s
SPFP Performance
803.3 GFLOPS
Performance per mm2
10.2 GFLOPS/mm2





 ModelBase/Boost/Mem (MHz)
EVGA GeForce GT 640 1GB GDDR5
01G-P3-2640
1046 / - / 1250
EVGA GeForce GT 640 1GB GDDR5 Superclocked
01G-P3-2642
1124 / - / 1250
KUROUTOSHIKOU GeForce GT 640 1GB
GF-GT640-LE1GHD
1046 / - / 1250
MSI GeForce GT 640 1GB LP
N640-1GD5/LP
1046 / - / 1250
ZOTAC GeForce GT 640 1GB GDDR5
ZT-60208-10L
1046 / - / 1250
ZOTAC GeForce GT 640 1GB GDDR5
GT640-1GD5 VA
1046 / - / 1250
ZOTAC GeForce GT 640 2GB GDDR5
ZT-60209-10L
1046 / - / 1250
 ModelClocksMemory
NVIDIA Quadro K610M
192 Cores
980 / 650 MHz 1 GB GDDR5
NVIDIA Quadro K510M
192 Cores
846 / 600 MHz 1 GB GDDR5
NVIDIA GeForce GT 740M
384 Cores
980 / 900 MHz 2 GB DDR3
NVIDIA GeForce GT 735M
384 Cores
575 / 900 MHz 2 GB DDR3
NVIDIA GeForce GT 730A
384 Cores
719 / 900 MHz 2 GB DDR3
NVIDIA GeForce GT 730 (GK208)
384 Cores
902 / 1250 MHz 1 GB GDDR5
NVIDIA GeForce GT 720M
384 Cores
719 / 800 MHz 2 GB DDR3
NVIDIA GeForce GT 720
192 Cores
797 / 800 MHz 1 GB GDDR5
NVIDIA GeForce GT 710
192 Cores
954 / 900 MHz 2 GB DDR3
NVIDIA GeForce GT 640 (GK208 GDDR5)
384 Cores
1046 / 1250 MHz 2 GB GDDR5
NVIDIA GeForce GT 630 (GK208 64b)
384 Cores
902 / 900 MHz 1 GB DDR3
NVIDIA GeForce 825M
384 Cores
575 / 900 MHz 2 GB DDR3
NVIDIA GeForce GT 730 DDR3 (GF108) (V)
96 Cores
700 / 1250 MHz 1 GB DDR3
NVIDIA GeForce GT 730 DDR3 (GK208) (V)
384 Cores
902 / 1250 MHz 2 GB DDR3