GT 650M Mac Edition vs GT 640

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Combined performance score

GT 640
3.04
+91.2%

GT 640 outperforms GT 650M Mac Edition by 91% in our combined benchmark results.

General info

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

Place in performance ranking726911
Place by popularitynot in top-100not in top-100
Value for money0.19no data
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK107
Market segmentDesktopDesktop
Release date5 June 2012 (11 years old)12 July 2012 (11 years old)
Launch price (MSRP)$99 no data
Current price$157 (1.6x MSRP)$50
Value for money

Performance to price ratio. The higher, the better.

no data

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 cores384384
Core clock speed902 MHz900 MHz
Number of transistors1,270 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)65 Watt45 Watt
Texture fill rate28.8628.80
Floating-point performance692.7 gflops691.2 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).

InterfacePCIe 3.0 x16PCIe 3.0 x16
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeDDR3GDDR5
Maximum RAM amount2 GB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed1782 MHz5016 MHz
Memory bandwidth28.51 GB/s80.26 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+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
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.03.0

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 3.04 1.59
Recency 5 June 2012 12 July 2012
Maximum RAM amount 2 GB 512 MB
Power consumption (TDP) 65 Watt 45 Watt

The GeForce GT 640 is our recommended choice as it beats the GeForce GT 650M Mac Edition 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

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NVIDIA GeForce GT 640
GeForce GT 640
NVIDIA GeForce GT 650M Mac Edition
GeForce GT 650M Mac Edition

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3.4 1345 votes

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2.6 15 votes

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Questions and comments

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