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HP GT 640 4 GB
- 717540-001
- 723678-001
- Graphics Processor
- GK107
- Cores
- 384
- TMUs
- 32
- ROPs
- 16
- Memory Size
- 4 GB
- Memory Type
- DDR3
- Bus Width
- 128 bit
GPU
Graphics Processor
Graphics Card
- Release Date
- Apr 24th, 2012
- Generation
- GeForce 600
- Predecessor
- GeForce 500
- Successor
- GeForce 700
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x16
Clock Speeds
- GPU Clock
- 797 MHz
- Memory Clock
-
891 MHz
1782 Mbps effective
Memory
- Memory Size
-
2 GB
4 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
- 6.376 GPixel/s
- Texture Rate
- 25.50 GTexel/s
- FP32 (float)
- 612.1 GFLOPS
- FP64 (double)
- 25.50 GFLOPS (1:24)
Board Design
- Slot Width
- Single-slot
- TDP
- 50 W
- Suggested PSU
- 250 W
- Outputs
- 1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
- Power Connectors
- None
- Board Number
- P2010 SKU 3,
P2010 SKU 6,
P2012 SKU 1,
P2012 SKU 3
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)
Card Notes
| Variant Memory: 4096MB DDR3 Variant Memory: 1024MB GDDR5 |
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 Latest Drivers: Windows XP / Server 2003 x64: Quadro Release R319 U2 (321.01) Windows Vista: GeForce Release 365.19 Quadro Release R346 U7 (348.40) / R352 BETA (352.86) Windows 7 / 8 / 8.1 / 10 / 11 (x32 / x64): GeForce Release 391.35 / 475.06 Quadro Release R390 U9 (392.37) / R470 U16 (474.82) |
Other retail boards based on this design (4)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 797 MHz | 891 MHz | 4 GB | |
|
HP GT 640 4 GB
|
797 MHz | 891 MHz | 4 GB |
| 954 MHz | 1250 MHz | 1024 MB, GDDR5 | |
| 797 MHz | 891 MHz |
Jul 25th, 2024 18:36 EDT
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