GeForce GT 640M Mac Edition vs GT 650M Mac Edition

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Aggregate performance score

We've compared GeForce GT 650M Mac Edition and GeForce GT 640M Mac Edition, covering specs and all relevant benchmarks.

GT 650M Mac Edition
2012
512 MB GDDR5, 45 Watt
1.59
+52.9%

GT 650M Mac Edition outperforms GT 640M Mac Edition by an impressive 53% based on our aggregate benchmark results.

Primary details

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

Place in the ranking9571089
Place by popularitynot in top-100not in top-100
Power efficiency2.452.25
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK107
Market segmentLaptopLaptop
Release date12 July 2012 (12 years ago)3 February 2013 (11 years ago)

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 cores384384
Core clock speed900 MHz745 MHz
Number of transistors1,270 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)45 Watt32 Watt
Texture fill rate28.8023.84
Floating-point processing power0.6912 TFLOPS0.5722 TFLOPS
ROPs168
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 3.0 x16PCIe 3.0 x16

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 typeGDDR5GDDR5
Maximum RAM amount512 MB512 MB
Memory bus width128 Bit64 Bit
Memory clock speed1254 MHz1250 MHz
Memory bandwidth80.26 GB/s40 GB/s

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 ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D 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.

Pros & cons summary


Performance score 1.59 1.04
Recency 12 July 2012 3 February 2013
Power consumption (TDP) 45 Watt 32 Watt

GT 650M Mac Edition has a 52.9% higher aggregate performance score.

GT 640M Mac Edition, on the other hand, has an age advantage of 6 months, and 40.6% lower power consumption.

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

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

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.


2.6 18 votes

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3.1 9 votes

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Questions & comments

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