Arc A570M vs Iris Plus Graphics 645

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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 efficiency20.50no data
ArchitectureGeneration 9.5 (2016−2020)Generation 12.7 (2022−2023)
GPU code nameCoffee Lake GT3eDG2-256
Market segmentDesktopLaptop
Release date7 October 2019 (5 years ago)1 August 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 cores3842048
Core clock speed300 MHz900 MHz
Boost clock speed1050 MHz1300 MHz
Number of transistorsno data11,500 million
Manufacturing process technology14 nm+++6 nm
Power consumption (TDP)15 Watt75 Watt
Texture fill rate50.40166.4
Floating-point processing power0.8064 TFLOPS5.325 TFLOPS
ROPs664
TMUs48128
Tensor Coresno data256
Ray Tracing Coresno data16

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
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 SharedGDDR6
Maximum RAM amountSystem Shared8 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data224.0 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 DependentPortable Device Dependent

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 7 October 2019 1 August 2023
Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 75 Watt

Iris Plus Graphics 645 has 400% lower power consumption.

Arc A570M, on the other hand, has an age advantage of 3 years, and a 133.3% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 645 and Arc A570M. We've got no test results to judge.

Be aware that Iris Plus Graphics 645 is a desktop card while Arc A570M 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 Plus Graphics 645
Iris Plus Graphics 645
Intel Arc A570M
Arc A570M

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.


2.9 116 votes

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Questions & comments

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