GF106 vs GeForce GT 640 Rev. 2

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805A 810A GT 630 Rev. 2 GT 630 Rev. 2 PCIe x8 GT 635 OEM GT 640 GT 640 OEM GT 640 OEM Rebrand GT 640 Rev. 2 GT 730A GT 740A GK208
VS
GT 440 OEM GT 555M 3 GB GTS 450 GTS 450 OEM GF100 GF104 GF106 GF108

Contents

GT 640 Rev. 2 GT 640 Rev. 2
GF106 GF106

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking722not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
ArchitectureKepler 2.0 (2013−2015)Fermi (2010−2014)
GPU code nameGK208GF106
Market segmentDesktopDesktop
Release date29 May 2013 (11 years ago)no data
Launch price (MSRP)$89 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384192
Core clock speed1046 MHzno data
Number of transistors915 million1,170 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)49 Wattno data
Texture fill rate33.47no data
Floating-point processing power0.8033 gflopsno data
ROPs824
TMUs3232

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x8no data
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5no data
Maximum RAM amount1 GBno data
Memory bus width64 Bitno data
Memory clock speed5008 MHzno data
Memory bandwidth40.06 GB/sno data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x HDMI, 1x VGAno data
HDMI+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

PureVideo HDno dataVP4

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.52.1

Pros & cons summary

Chip lithography 28 nm 40 nm

GT 640 Rev. 2 has a 42.9% more advanced lithography process.

We couldn't decide between GeForce GT 640 Rev. 2 and GF106. We've got no test results to judge.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

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NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2
NVIDIA GF106
GF106
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Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.

3.9 26 votes

Rate GeForce GT 640 Rev. 2 on a scale of 1 to 5:

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1.8 6 votes

Rate GF106 on a scale of 1 to 5:

  • 1
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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.