GT 640 Rev. 2 vs GTX 650 Ti

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Combined performance score

GTX 650 Ti
6.50
+85.2%

GTX 650 Ti outperforms GT 640 Rev. 2 by 85% in our combined benchmark results.

General info

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

Place in performance ranking533682
Place by popularitynot in top-100not in top-100
Value for money0.610.18
ArchitectureKepler (2012−2018)Kepler 2.0 (2013−2015)
GPU code nameGK106GK208
Market segmentDesktopDesktop
Release date9 October 2012 (11 years old)29 May 2013 (10 years old)
Launch price (MSRP)$149 $89
Current price$251 (1.7x MSRP)$230 (2.6x MSRP)
Value for money

Performance to price ratio. The higher, the better.

GTX 650 Ti has 239% better value for money than GT 640 Rev. 2.

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores768384
CUDA cores768no data
Core clock speed928 MHz1046 MHz
Number of transistors2,540 million915 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)110 Watt49 Watt
Maximum GPU temperature105 °Cno data
Texture fill rate59.2 billion/sec33.47
Floating-point performance1,425 gflops803.3 gflops

Size and 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).

Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 2.0 x8
Length5.7" (14.5 cm)145 mm
Height4.376" (11.1 cm)no data
Width2-slot1-slot
Supplementary power connectorsOne 6-pinNone

Memory

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 typeGDDR5GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed5.4 GB/s5008 MHz
Memory bandwidth86.4 GB/s40.06 GB/s

Video outputs and ports

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 ConnectorsOne Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI1x DVI, 1x HDMI, 1x VGA
Multi monitor support4 Displaysno data
HDMI++
HDCP+no data
Maximum VGA resolution2048x1536no data
Audio input for HDMIInternalno data

Technologies

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

3D Blu-Ray+no data
3D Gaming+no data
3D Vision+no data

API support

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

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.34.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA+3.5

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages and disadvantages


Performance score 6.50 3.51
Recency 9 October 2012 29 May 2013
Cost $149 $89
Maximum RAM amount 2 GB 1 GB
Power consumption (TDP) 110 Watt 49 Watt

The GeForce GTX 650 Ti is our recommended choice as it beats the GeForce GT 640 Rev. 2 in performance tests.


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

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GTX 650 Ti
GeForce GTX 650 Ti
NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2

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3.8 1590 votes

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3.9 26 votes

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

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Questions and comments

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