NVIDIA GeForce GT 640 (GK107 DDR3)
Product status: Official | Last Update: 2015-11-18 | Report Error
NVIDIA GeForce GT 640 (GK107 DDR3)
Overview
Manufacturer
NVIDIA
Original Series
GeForce 600
Release Date
June 5th, 2012
Board Model
NVIDIA P2011
Graphics Processing Unit
GPU Model
GK107-300 (GK107)
Architecture
Kepler
Fabrication Process
28 nm
Die Size
118 mm2
Transistors Count
1.3B
CUDA Cores
384
TMUs
32
ROPs
16
Clocks
Base Clock
900 MHz
Boost Clock
TBC MHz
Memory Clock
900 MHz
Effective Memory Clock
1800 Mbps
Memory Configuration
Memory Size
2048 MB
Memory Type
DDR3
Memory Bus Width
128-bit
Memory Bandwidth
28.8 GB/s
Physical
Interface
PCI-Express 3.0 x16
Width
11.12 cm
Length
14.48 cm
Height
1-slot
Power Design
1
TDP/TBP
65 W
Recommended PSU
350 W
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
14.4 GPixels/s
Texture Fillrate
28.8 GTexel/s
Peak FP32
691.2 GFLOPS
FP32 Perf. per Watt
10.6 GFLOPS/W
FP32 Perf. per mm2
5.9 GFLOPS/mm2
| Model | Interface | Clocks | Memory | Board | GPU | GPU Config | LP |
|---|---|---|---|---|---|---|---|
| NVIDIA GeForce GT 640 (GK107 DDR3) | PCIe 3.0 x16 | 900 / - / 900 MHz | 2GB DDR3 (128b) | NVIDIA P2011 | GK107-300 | 384 : 32 : 16 | |
| NVIDIA GeForce GT 640 OEM | PCIe 3.0 x16 | 720 / - / 891 MHz | 1.5GB DDR3 (192b) | -- | GF116-400 | 144 : 24 : 24 | |
| NVIDIA GeForce GT 640 Rev.2 | PCIe 3.0 x16 | 1046 / - / 1250 MHz | 1GB GDDR5 (64b) | -- | GK208-400 | 384 : 16 : 8 |
