GeForce GT 640 Rebrand 

Released April, 2012
  • 720 MHz
  • 1.5 GB DDR3

net got hold of two of the new graphic cards featuring the latest GK208 core which has new Cuda 3.5 capabilities but is only suited for the low end budget audience.
by hassan-mujtaba (Jun, 2013)
Alot of speculation built up around the new card that whether they would power the high-end or low-end lineup of next generation cards and it looks like the GK208 was just a low end chip with high-end compute capabilities of the GK 110 core that would end up in the new GT 640 and GT 630 graphic cards.
by hassan-mujtaba (Jun, 2013)

GPUBoss Review Our evaluation of the GeForce GT 640 Rebrand among Desktop GPUs

Gaming

GeForce GT 640 Rebrand
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

GeForce GT 640 Rebrand
n.d.
T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

GeForce GT 640 Rebrand
n.d.
Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

GeForce GT 640 Rebrand
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

GeForce GT 640 Rebrand
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

GeForce GT 640 Rebrand
9.5
TDP, Idle Power Consumption, Load Power Consumption and 2 more

9.5

Overall Score

GeForce GT 640 Rebrand
9.5

Benchmarks Real world tests of the GeForce GT 640 Rebrand

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

GeForce GT 640 Rebrand
2,310

3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance

GeForce GT 640 Rebrand
9,030

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

GeForce GT 640 Rebrand
13,300

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing

GeForce GT 640 Rebrand
36,743

In The News From around the web

net got hold of two of the new graphic cards featuring the latest GK208 core which has new Cuda 3.5 capabilities but is only suited for the low end budget audience.
Core clock is maintained at 1046 MHz while the 2 GB GDDR5 memory runs across a 64-bit memory interface at frequency of 5000 MHz.
On a positive note however, this launch means that retail GK107 desktop cards – particularly a retail version of the GDDR5 + GK107 based GT 640 – can’t be too far away; we’d speculate a few months at the most.
As with the laptop market we’ve reached a point where it’s nearly impossible to tell which video card a product actually uses based on computer specs alone, and that’s worrisome.

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name GF116
Market Desktop
Clock speed 720 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 144
Texture mapping units 24
Render output processors 24
Pixel rate 4.32 GPixel/s
Texture rate 17.28 GTexel/s
Floating-point performance 414.7 GFLOPS

memory

Memory clock speed 800 MHz
Effective memory clock speed 1,600 MHz
Memory bus 192 bit
Memory 1,536 MB
Memory type DDR3
Memory bandwidth 38.4 GB/s

noise and power

TDP 75W
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