NVIDIA GeForce GT 640: GPU Specs & Benchmarks

The GeForce GT 640 is a graphics card by NVIDIA, built on the 28 nm process and based on the GK107 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name
GK107
Model number
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
Family
GeForce 600
Production
End-of-life
Launch Price
99 USD
Predecessor
GeForce 500
Bus Interface
PCIe 3.0 x16

Memory

Memory Size
2 GB
Memory Type
DDR3
Memory Bus
128 bit
Bandwidth
28.51 GB/s

Performance

Pixel fillrate
7.216 GPixel/s
Texture fillrate
28.86 GTexel/s
FP32 (float) performance
692.7 GFLOPS
FP64 (double) performance
28.86 GFLOPS (1:24)

Clock Speeds

Memory Clock
891 MHz
1782 Mbps effective
GPU Clock
902 MHz

Render Config

Shading Units
384
TMUs
32
ROPs
16
L1 Cache
16 KB (per SMX)
L2 Cache
256 KB

Board Design

Slot Width
Single-slot
Length
145 mm
5.7 inches
Thermal design power (TDP)
65 W
Suggested PSU
250 W
Display Connectors
1x DVI
1x HDMI
1x DisplayPort
Power Connectors
None
Board Number
P2011

API support

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.1
Shader Model
5.1
CUDA
3.0
GeForce GT 640
NVIDIA GeForce GT 640: GPU Specs & Benchmarks