Apple M3 Pro 14-Core GPU vs Iris Pro Graphics P6300

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Primary details

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

Place in the ranking690not rated
Place by popularitynot in top-100not in top-100
Power efficiency18.88no data
ArchitectureGeneration 8.0 (2014−2015)no data
GPU code nameBroadwell GT3eno data
Market segmentDesktopLaptop
Release date5 September 2014 (10 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 speed300 MHzno data
Boost clock speed800 MHzno data
Number of transistors189 millionno data
Manufacturing process technology14 nm5 nm
Power consumption (TDP)15 Wattno data
Texture fill rate38.40no data
Floating-point processing power0.6144 TFLOPSno data
ROPs6no data
TMUs48no 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
InterfaceIGPno data
WidthIGPno 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 typeSystem SharedLPDDR5-6400
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno data
Shared memoryno data-

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_1)no data
Shader Model5.1no data
OpenGL4.4no data
OpenCL2.0no data
Vulkan1.1.80-

Pros & cons summary


Recency 5 September 2014 31 October 2023
Chip lithography 14 nm 5 nm

Apple M3 Pro 14-Core GPU has an age advantage of 9 years, and a 180% more advanced lithography process.

We couldn't decide between Iris Pro Graphics P6300 and Apple M3 Pro 14-Core GPU. We've got no test results to judge.

Be aware that Iris Pro Graphics P6300 is a desktop card while Apple M3 Pro 14-Core GPU 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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Intel Iris Pro Graphics P6300
Iris Pro Graphics P6300
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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3.9 13 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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