Apple M3 Pro 14-Core GPU vs GeForce GTX 660M Mac Edition

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Primary details

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

Place in the ranking968not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.14no data
ArchitectureKepler (2012−2018)no data
GPU code nameGK107no data
Market segmentLaptopLaptop
Release date1 April 2013 (11 years ago)31 October 2023 (1 year 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 cores38414
Core clock speed950 MHzno data
Number of transistors1,270 millionno data
Manufacturing process technology28 nm5 nm
Power consumption (TDP)50 Wattno data
Texture fill rate30.40no data
Floating-point processing power0.7296 TFLOPSno data
ROPs16no data
TMUs32no data

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).

Laptop sizeno datamedium sized
InterfaceMXM-B (3.0)no 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 typeGDDR5LPDDR5-6400
Maximum RAM amount512 MBno data
Memory bus width128 Bitno data
Memory clock speed1250 MHzno data
Memory bandwidth80 GB/sno data
Shared memory--

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 data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)no data
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 1 April 2013 31 October 2023
Chip lithography 28 nm 5 nm

Apple M3 Pro 14-Core GPU has an age advantage of 10 years, and a 460% more advanced lithography process.

We couldn't decide between GeForce GTX 660M Mac Edition and Apple M3 Pro 14-Core GPU. 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.

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NVIDIA GeForce GTX 660M Mac Edition
GeForce GTX 660M Mac Edition
Apple M3 Pro 14-Core GPU
M3 Pro 14-Core GPU

Comparisons with similar GPUs

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Community ratings

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3 22 votes

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3.8 29 votes

Rate Apple M3 Pro 14-Core GPU on a scale of 1 to 5:

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Questions & comments

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