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NVIDIA GeForce GT 640
- Graphics Processor
- GK107
- Cores
- 384
- TMUs
- 32
- ROPs
- 16
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Bus Width
- 128 bit
GPU
Recommended Gaming Resolutions:
- 1366x768
- 1600x900
- 1920x1080
The GeForce GT 640 was a mid-range graphics card by NVIDIA, launched on June 5th, 2012. Built on the 28 nm process, and based on the GK107 graphics processor, in its GK107-300-A2 variant, the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles. The GK107 graphics processor is an average sized chip with a die area of 118 mm² and 1,270 million transistors. It features 384 shading units, 32 texture mapping units, and 16 ROPs. NVIDIA has paired 2,048 MB DDR3 memory with the GeForce GT 640, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 902 MHz, memory is running at 891 MHz.
Being a single-slot card, the NVIDIA GeForce GT 640 does not require any additional power connector, its power draw is rated at 65 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2. GeForce GT 640 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 145 mm in length, and features a single-slot cooling solution. Its price at launch was 99 US Dollars.
Being a single-slot card, the NVIDIA GeForce GT 640 does not require any additional power connector, its power draw is rated at 65 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2. GeForce GT 640 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 145 mm in length, and features a single-slot cooling solution. Its price at launch was 99 US Dollars.
Graphics Processor
Graphics Card
- Release Date
- Jun 5th, 2012
- Generation
- GeForce 600
- Predecessor
- GeForce 500
- Successor
- GeForce 700
- Production
- End-of-life
- Launch Price
- 99 USD
- Bus Interface
- PCIe 3.0 x16
- Reviews
- 8 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 902 MHz
- Memory Clock
-
891 MHz
1782 Mbps effective
Memory
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Memory Bus
- 128 bit
- Bandwidth
- 28.51 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)
- 692.7 GFLOPS
- FP64 (double)
- 28.86 GFLOPS (1:24)
Board Design
- Slot Width
- Single-slot
- Length
- 145 mm
5.7 inches
- TDP
- 65 W
- Suggested PSU
- 250 W
- Outputs
- 1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
- Power Connectors
- None
- Board Number
- P2011 SKU 0
Graphics Features
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 3.0
- Vulkan
- 1.2.175
- CUDA
- 3.0
- Shader Model
- 6.5 (5.1)
GK107 GPU Notes
| NVENC: 1st Gen NVDEC: 1st Gen PureVideo HD: VP5 VDPAU: Feature Set D L1 Cache is configurable from 16 KB up to 48 KB per SMX |
Retail boards based on this design (37)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 875 MHz | 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 210 mm/8.3 inches, 2x DVI 1x HDMI 1x VGA | |
| 902 MHz | 901 MHz | 1024 MB, 171 mm/6.7 inches, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 168 mm/6.6 inches, 2x DVI | |
| 902 MHz | 901 MHz | 170 mm/6.7 inches, Dual-slot, 2x DVI 1x mini-HDMI | |
| 902 MHz | 901 MHz | 170 mm/6.7 inches, 2x DVI 1x mini-HDMI | |
| 902 MHz | 901 MHz | 4 GB, 170 mm/6.7 inches, Dual-slot, 2x DVI 1x mini-HDMI | |
| 902 MHz | 667 MHz | 4 GB, 170 mm/6.7 inches, 2x DVI 1x mini-HDMI | |
| 928 MHz | 915 MHz | 170 mm/6.7 inches, Dual-slot, 2x DVI 1x mini-HDMI | |
| 902 MHz | 891 MHz | 1024 MB, 150 mm/5.9 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 150 mm/5.9 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 950 MHz | 891 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 1046 MHz | 900 MHz | 190 mm/7.5 inches, Dual-slot, 2x DVI 1x HDMI 1x VGA | |
| 941 MHz | 900 MHz | 190 mm/7.5 inches, Dual-slot, 2x DVI 1x HDMI 1x VGA | |
| 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 900 MHz | Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 900 MHz | 1024 MB, Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA | |
| 902 MHz | 800 MHz | Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA | |
| 902 MHz | 900 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | 4 GB, 154 mm/6.1 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 941 MHz | 667 MHz | 1024 MB, 171 mm/6.7 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 941 MHz | 891 MHz | 171 mm/6.7 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 810 MHz | 154 mm/6.1 inches, Dual-slot, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 800 MHz | 1x DVI 1x HDMI 1x VGA | |
| 928 MHz | 891 MHz | 152 mm/6 inches, 1x DVI 1x HDMI 1x VGA | |
| 928 MHz | 891 MHz | 152 mm/6 inches, 1x DVI 1x HDMI 1x VGA | |
| 954 MHz | 891 MHz | 1024 MB, 170 mm/6.7 inches, Dual-slot, 3x DVI 1x mini-HDMI | |
| 954 MHz | 891 MHz | Dual-slot, 3x DVI 1x mini-HDMI | |
| 902 MHz | 891 MHz | 157 mm/6.2 inches, 1x DVI 1x HDMI 1x VGA | |
| 902 MHz | 891 MHz | Dual-slot, 2x DVI 1x mini-HDMI | |
| 902 MHz | 800 MHz | GDDR3, Dual-slot, 2x DVI 1x mini-HDMI |
Apr 28th, 2024 21:45 EDT
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