Slot Width Single-slot Dual-slot Length 5.7 inches 6.7 inches 145 mm 170 mm TDP 65 W Suggested PSU 350 W Outputs 1x DVI 1x HDMI 1x DisplayPort 2x DVI 1x mini-HDMI Power Connectors. EVGA GT 640 902 MHz: 901 MHz: 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI: EVGA GT 640: 902 MHz: 901 MHz: 6.7 inches/170 mm, 2x DVI 1x mini-HDMI. Find helpful customer reviews and review ratings for EVGA GeForce GT 640 4096MB GDDR3 Single Slot, Dual DVI and mHDMI Graphics Card 04G-P4-2647-KR at Amazon.com. Read honest and unbiased product reviews from our users. VCDB EVGA GeForce 600 EVGA GeForce GT 640 4GB DDR3 (Single Slot) EVGA GeForce GT 640 4GB DDR3 (Single Slot) (04G-P4-2647) Graphics Card Product status: Released Report Error.
Graphics Processor
- GPU Name
- GK107
- GPU Variant
- GK107-300-A2
- Architecture
- Kepler
- Foundry
- TSMC
- Process Size
- 28 nm
- Transistors
- 1,270 million
- Die Size
- 118 mm²
Graphics Card
Evga Geforce Gt 640
- Release Date
- Jun 5th, 2012
- Generation
- GeForce 600
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x16
Clock Speeds
- GPU Clock
- 902 MHz
- Memory Clock
891 MHz
901 MHz (+1%)1782 MHz effective
1802 MHz effective
Memory
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Memory Bus
- 128 bit
- Bandwidth
28.51 GB/s
28.83 GB/s
Render Config
- Shading Units
- 384
- TMUs
- 32
- ROPs
- 16
- SMX Count
- 2
- L1 Cache
- 16 KB (per SMX)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 7.216 GPixel/s
- Texture Rate
- 28.86 GTexel/s
- FP32 (float) performance
- 692.7 GFLOPS
- FP64 (double) performance
- 28.86 GFLOPS (1:24)
Board Design
- Slot Width
- Single-slot
- Length
5.7 inches
6.7 inches145 mm
170 mm
- TDP
- 65 W
- Suggested PSU
- 350 W
- Outputs
1x DVI
1x HDMI
1x DisplayPort
2x DVI
1x mini-HDMI
- Power Connectors
- None
- Board Number
- P2011
Graphics Features
- DirectX
- 12.0 (11_0)
- OpenGL
- 4.6
- OpenCL
- 1.2
- Vulkan
- 1.1.126
- CUDA
- 3.0
- Shader Model
- 5.1
GK107 GPU Notes
| L1 Cache is configurable from 16 KB up to 48 KB per SMX |
Nvidia Geforce Gt 640 Specs
Other retail boards based on this design (36)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| AFOX GT 640 V1 | 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V2 | 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V3 | 902 MHz | 875 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V4 | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| ASUS GT 640 Formula II | 902 MHz | 891 MHz | 8.27 inches/210 mm, 2x DVI 1x HDMI 1x VGA |
| ASUS GT 640 Low Profile 1 GB | 902 MHz | 901 MHz | 1024 MB, 6.75 inches/171 mm, 1x DVI 1x HDMI 1x VGA |
| BIOSTAR GT 640 1 GB | 902 MHz | 891 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| BIOSTAR GT 640 2 GB | 902 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Colorful GT 640 PRO X4 | 902 MHz | 891 MHz | 6.6 inches/168 mm, 2x DVI |
| EVGA GT 640 | 902 MHz | 901 MHz | 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| EVGA GT 640 | 902 MHz | 901 MHz | 6.7 inches/170 mm, 2x DVI 1x mini-HDMI |
| EVGA GT 640 4 GB | 902 MHz | 901 MHz | 4 GB, 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| EVGA GT 640 4 GB | 902 MHz | 667 MHz | 4 GB, 6.7 inches/170 mm, 2x DVI 1x mini-HDMI |
| EVGA GT 640 Superclocked | 928 MHz | 915 MHz | 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| Gainward GT 640 1 GB | 902 MHz | 891 MHz | 1024 MB, 5.9 inches/150 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Gainward GT 640 2 GB | 902 MHz | 891 MHz | 5.9 inches/150 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Galaxy GT 640 GC | 950 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| GIGABYTE GT 640 OC | 1046 MHz | 900 MHz | 7.48 inches/190 mm, Dual-slot, 2x DVI 1x HDMI 1x VGA |
| GIGABYTE GT 640 OC Rev. 2 | 941 MHz | 900 MHz | 7.48 inches/190 mm, Dual-slot, 2x DVI 1x HDMI 1x VGA |
| Inno3D GT 640 Raptor 1 GB | 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA |
| Inno3D GT 640 Raptor 2 GB | 902 MHz | 900 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Leadtek WinFast GT 640 ATX 1 GB | 902 MHz | 900 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA |
| Leadtek WinFast GT 640 ATX 2 GB | 902 MHz | 800 MHz | Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA |
| Leadtek WinFast GT 640 Low Profile 1 GB | 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA |
| Leadtek WinFast GT 640 Low Profile 2 GB | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 4 GB | 902 MHz | 891 MHz | 4 GB, 6.06 inches/154 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 OC 1 GB | 941 MHz | 667 MHz | 1024 MB, 6.73 inches/171 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 OC 2 GB | 941 MHz | 891 MHz | 6.73 inches/171 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 V1 | 902 MHz | 810 MHz | 6.06 inches/154 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Point of View GT 640 | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 Low Profile OC | 928 MHz | 891 MHz | 6 inches/152 mm, 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 Low Profile OC | 928 MHz | 891 MHz | 6 inches/152 mm, 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 OC 1 GB | 954 MHz | 891 MHz | 1024 MB, 6.7 inches/170 mm, Dual-slot, 3x DVI 1x mini-HDMI |
| SPARKLE GT 640 OC Dragon Cyclone | 954 MHz | 891 MHz | Dual-slot, 3x DVI 1x mini-HDMI |
| XFX Double D GT 640 | 902 MHz | 891 MHz | 6.18 inches/157 mm, 1x DVI 1x HDMI 1x VGA |
| ZOTAC GT 640 ZONE Edition | 902 MHz | 800 MHz | GDDR3, 5.69 inches/145 mm, Dual-slot, 2x DVI 1x mini-HDMI |
Graphics Processor
- GPU Name
- GK107
- GPU Variant
- GK107-300-A2
- Architecture
- Kepler
- Foundry
- TSMC
- Process Size
- 28 nm
- Transistors
- 1,270 million
- Die Size
- 118 mm²
Graphics Card
- Release Date
- Jun 5th, 2012
- Generation
- GeForce 600
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x16
Clock Speeds
- GPU Clock
- 902 MHz
- Memory Clock
891 MHz
901 MHz (+1%)1782 MHz effective
1802 MHz effective
Memory
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Memory Bus
- 128 bit
- Bandwidth
28.51 GB/s
28.83 GB/s
Render Config
- Shading Units
- 384
- TMUs
- 32
- ROPs
- 16
- SMX Count
- 2
- L1 Cache
- 16 KB (per SMX)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 7.216 GPixel/s
- Texture Rate
- 28.86 GTexel/s
- FP32 (float) performance
- 692.7 GFLOPS
- FP64 (double) performance
- 28.86 GFLOPS (1:24)
Board Design
- Slot Width
Single-slot
Dual-slot
- Length
5.7 inches
6.7 inches145 mm
170 mm
- TDP
- 65 W
- Suggested PSU
- 350 W
- Outputs
1x DVI
1x HDMI
1x DisplayPort
2x DVI
1x mini-HDMI
- Power Connectors
- None
- Board Number
- P2011
Graphics Features
- DirectX
- 12.0 (11_0)
- OpenGL
- 4.6
- OpenCL
- 1.2
- Vulkan
- 1.1.126
- CUDA
- 3.0
- Shader Model
- 5.1
GK107 GPU Notes
| L1 Cache is configurable from 16 KB up to 48 KB per SMX |
Other retail boards based on this design (36)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| AFOX GT 640 V1 | 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V2 | 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V3 | 902 MHz | 875 MHz | 1x DVI 1x HDMI 1x VGA |
| AFOX GT 640 V4 | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| ASUS GT 640 Formula II | 902 MHz | 891 MHz | 8.27 inches/210 mm, 2x DVI 1x HDMI 1x VGA |
| ASUS GT 640 Low Profile 1 GB | 902 MHz | 901 MHz | 1024 MB, 6.75 inches/171 mm, 1x DVI 1x HDMI 1x VGA |
| BIOSTAR GT 640 1 GB | 902 MHz | 891 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| BIOSTAR GT 640 2 GB | 902 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Colorful GT 640 PRO X4 | 902 MHz | 891 MHz | 6.6 inches/168 mm, 2x DVI |
| EVGA GT 640 | 902 MHz | 901 MHz | 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| EVGA GT 640 | 902 MHz | 901 MHz | 6.7 inches/170 mm, 2x DVI 1x mini-HDMI |
| EVGA GT 640 4 GB | 902 MHz | 901 MHz | 4 GB, 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| EVGA GT 640 4 GB | 902 MHz | 667 MHz | 4 GB, 6.7 inches/170 mm, 2x DVI 1x mini-HDMI |
| EVGA GT 640 Superclocked | 928 MHz | 915 MHz | 6.7 inches/170 mm, Dual-slot, 2x DVI 1x mini-HDMI |
| Gainward GT 640 1 GB | 902 MHz | 891 MHz | 1024 MB, 5.9 inches/150 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Gainward GT 640 2 GB | 902 MHz | 891 MHz | 5.9 inches/150 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Galaxy GT 640 GC | 950 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| GIGABYTE GT 640 OC | 1046 MHz | 900 MHz | 7.48 inches/190 mm, Dual-slot, 2x DVI 1x HDMI 1x VGA |
| GIGABYTE GT 640 OC Rev. 2 | 941 MHz | 900 MHz | 7.48 inches/190 mm, Dual-slot, 2x DVI 1x HDMI 1x VGA |
| Inno3D GT 640 Raptor 1 GB | 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA |
| Inno3D GT 640 Raptor 2 GB | 902 MHz | 900 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Leadtek WinFast GT 640 ATX 1 GB | 902 MHz | 900 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA |
| Leadtek WinFast GT 640 ATX 2 GB | 902 MHz | 800 MHz | Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA |
| Leadtek WinFast GT 640 Low Profile 1 GB | 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA |
| Leadtek WinFast GT 640 Low Profile 2 GB | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 4 GB | 902 MHz | 891 MHz | 4 GB, 6.06 inches/154 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 OC 1 GB | 941 MHz | 667 MHz | 1024 MB, 6.73 inches/171 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 OC 2 GB | 941 MHz | 891 MHz | 6.73 inches/171 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| MSI GT 640 V1 | 902 MHz | 810 MHz | 6.06 inches/154 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA |
| Point of View GT 640 | 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 Low Profile OC | 928 MHz | 891 MHz | 6 inches/152 mm, 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 Low Profile OC | 928 MHz | 891 MHz | 6 inches/152 mm, 1x DVI 1x HDMI 1x VGA |
| SPARKLE GT 640 OC 1 GB | 954 MHz | 891 MHz | 1024 MB, 6.7 inches/170 mm, Dual-slot, 3x DVI 1x mini-HDMI |
| SPARKLE GT 640 OC Dragon Cyclone | 954 MHz | 891 MHz | Dual-slot, 3x DVI 1x mini-HDMI |
| XFX Double D GT 640 | 902 MHz | 891 MHz | 6.18 inches/157 mm, 1x DVI 1x HDMI 1x VGA |
| ZOTAC GT 640 ZONE Edition | 902 MHz | 800 MHz | GDDR3, 5.69 inches/145 mm, Dual-slot, 2x DVI 1x mini-HDMI |