Arc Pro A40 vs Iris Plus Graphics 655

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Primary details

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

Place in the ranking658not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.86no data
ArchitectureGeneration 9.5 (2016−2020)Generation 12.7 (2022−2023)
GPU code nameCoffee Lake GT3eDG2-128
Market segmentLaptopWorkstation
Release date3 April 2018 (6 years ago)8 August 2022 (2 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 cores3841024
Core clock speed300 MHz1500 MHz
Boost clock speed1050 MHz1700 MHz
Number of transistors189 million7,200 million
Manufacturing process technology14 nm+++6 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rate50.40108.8
Floating-point processing power0.8064 TFLOPS3.482 TFLOPS
ROPs632
TMUs4864
Ray Tracing Coresno data8

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).

InterfaceRing BusPCIe 4.0 x8
Widthno data1-slot
Supplementary power connectorsno dataNone

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 SharedGDDR6
Maximum RAM amountSystem Shared6 GB
Memory bus widthSystem Shared96 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data192.0 GB/s
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 ConnectorsPortable Device Dependent4x mini-DisplayPort 2.0

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.6
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3

Pros & cons summary


Recency 3 April 2018 8 August 2022
Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 50 Watt

Iris Plus Graphics 655 has 233.3% lower power consumption.

Arc Pro A40, on the other hand, has an age advantage of 4 years, and a 133.3% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 655 and Arc Pro A40. We've got no test results to judge.

Be aware that Iris Plus Graphics 655 is a notebook card while Arc Pro A40 is a workstation 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 Plus Graphics 655
Iris Plus Graphics 655
Intel Arc Pro A40
Arc Pro A40

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.


3.6 331 vote

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3.9 12 votes

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Questions & comments

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