NVIDIA GeForce GT 640 (GK208 GDDR5) Graphics Card

Product status: Official | Last Update: 2015-11-18 | 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
TBC MHz
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

Physical
Interface
PCI-Express 3.0 x16
Height
1-slot
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

Performance
Pixel Fillrate
16.7 GPixels/s
Texture Fillrate
33.5 GTexel/s
Peak FP32
803.3 GFLOPS
FP32 Perf. per mm2
10.2 GFLOPS/mm2




  Model nameBoostMemoryPowerCustom SeriesPopularity
  Thumbnail
EVGA GT 640 1GB GDDR5
01G-P3-2640
 
48%
  Thumbnail
EVGA GT 640 1GB GDDR5 Superclocked
01G-P3-2642
SC (SuperClocked)
 
13%
  Thumbnail
KUROUTOSHIKOU GT 640 1GB
GF-GT640-LE1GHD
 
5%
  Thumbnail
MSI GT 640 1GB LP
N640-1GD5/LP
 
7%
  Thumbnail
ZOTAC GT 640 1GB GDDR5
ZT-60208-10L
 
22%
  Thumbnail
ZOTAC GT 640 1GB GDDR5
GT640-1GD5 VA
 
10%
  Thumbnail
ZOTAC GT 640 2GB GDDR5
ZT-60209-10L
 
100%
 ModelCoresBoost ClockMemory ClockMemory Config.
Thumbnail
NVIDIA GeForce GTX 690
 
3072
 
1019 MHz
 
6 Gbps
 
8 GB GD5 256b
Thumbnail
NVIDIA GeForce GTX 680
 
1536
 
1058 MHz
 
6 Gbps
 
2 GB GD5 256b
Thumbnail
NVIDIA GeForce GTX 670
 
1344
 
980 MHz
 
6 Gbps
 
2 GB GD5 256b
Thumbnail
NVIDIA GeForce GTX 660 Ti
 
1344
 
980 MHz
 
6 Gbps
 
2 GB GD5 192b
Thumbnail
NVIDIA GeForce GTX 660
 
960
 
1033 MHz
 
6 Gbps
 
2 GB GD5 192b
Thumbnail
NVIDIA GeForce GTX 650 Ti Boost
 
768
 
1033 MHz
 
6 Gbps
 
2 GB GD5 192b
Thumbnail
NVIDIA GeForce GTX 650 Ti
 
768
-
 
5.4 Gbps
 
1 GB GD5 128b
Thumbnail
NVIDIA GeForce GTX 645
 
576
-
 
4 Gbps
 
1 GB GD5 128b
Thumbnail
NVIDIA GeForce GT 640 (GK208 GDDR5)
 
384
-
 
5 Gbps
 
2 GB GD5 128b
Thumbnail
NVIDIA GeForce GT 640 (GK107 DDR3)
 
384
-
 
1.8 Gbps
 
2 GB D3 128b
Thumbnail
NVIDIA GeForce GTX 650
 
384
-
 
5 Gbps
 
1 GB GD5 128b
Thumbnail
NVIDIA GeForce GT 630 (GK208 64b)
 
384
-
 
1.8 Gbps
 
1 GB D3 64b
Thumbnail
NVIDIA GeForce GT 630 (GF108 128b)
 
96
-
 
1.8 Gbps
 
1 GB D3 128b
Thumbnail
NVIDIA GeForce GT 620
 
96
-
 
1.8 Gbps
 
1 GB D3 64b
Thumbnail
NVIDIA GeForce GT 610
 
48
-
 
1.8 Gbps
 
1 GB D3 64b
Thumbnail
NVIDIA GeForce GT 625
 
48
-
 
1.8 Gbps
 
1 GB D3 64b
Thumbnail
NVIDIA GeForce 605
 
48
-
 
1.8 Gbps
 
512 MB D3 64b
 ModelCoresBoost ClockMemory ClockMemory Config.
Thumbnail
NVIDIA GeForce GT 640 (GK208 GDDR5)
 
384
-
 
5 GB/s
 
2 GB GD5 128b
Thumbnail
NVIDIA GeForce GT 740M
 
384
-
 
1.8 GB/s
 
2 GB D3 64b
Thumbnail
NVIDIA GeForce GT 720M
 
384
-
 
1.6 GB/s
 
2 GB D3 64b
Thumbnail
NVIDIA GeForce GT 730A
 
384
-
 
1.8 GB/s
 
2 GB D3 128b
Thumbnail
NVIDIA GeForce 825M
 
384
-
 
1.8 GB/s
 
2 GB D3 64b
Thumbnail
NVIDIA GeForce GT 735M
 
384
-
 
1.8 GB/s
 
2 GB D3 64b
Thumbnail
NVIDIA GeForce GT 630 (GK208 64b)
 
384
-
 
1.8 GB/s
 
1 GB D3 64b
Thumbnail
NVIDIA GeForce GT 730 (GK208)
 
384
-
 
5 GB/s
 
1 GB GD5 64b
Thumbnail
NVIDIA GeForce GT 710
 
192
-
 
1.8 GB/s
 
2 GB D3 64b
Thumbnail
NVIDIA Quadro K610M
 
192
-
 
2.6 GB/s
 
1 GB GD5 64b
Thumbnail
NVIDIA Quadro K510M
 
192
-
 
2.4 GB/s
 
1 GB GD5 64b
Thumbnail
NVIDIA GeForce GT 720
 
192
-
 
3.2 GB/s
 
1 GB GD5 64b