GeForce GT 650M Mac Edition vs GT 640

VS

Aggregate performance score

We've compared GeForce GT 640 with GeForce GT 650M Mac Edition, including specs and performance data.

GT 640
2012
2 GB DDR3, 65 Watt
3.05
+91.8%

GT 640 outperforms GT 650M Mac Edition by an impressive 92% based on our aggregate benchmark results.

Primary details

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

Place in the ranking767961
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.20no data
Power efficiency3.272.46
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK107
Market segmentDesktopLaptop
Release date5 June 2012 (12 years ago)12 July 2012 (12 years ago)
Launch price (MSRP)$99 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 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 processing power0.6927 TFLOPS0.6912 TFLOPS
ROPs1616
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
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 typeDDR3GDDR5
Maximum RAM amount2 GB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed891 MHz1254 MHz
Memory bandwidth28.51 GB/s80.26 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

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 3.05 1.59
Recency 5 June 2012 12 July 2012
Maximum RAM amount 2 GB 512 MB
Power consumption (TDP) 65 Watt 45 Watt

GT 640 has a 91.8% higher aggregate performance score, and a 300% higher maximum VRAM amount.

GT 650M Mac Edition, on the other hand, has an age advantage of 1 month, and 44.4% lower power consumption.

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

Be aware that GeForce GT 640 is a desktop card while GeForce GT 650M Mac Edition is a notebook one.


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

Comparisons with similar GPUs

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Community ratings

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3.4 1543 votes

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2.6 18 votes

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Questions & comments

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