Iris Xe Graphics 64EUs (Alder Lake) vs Radeon HD 6620G

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Primary details

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

Place in the ranking1120not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.74no data
ArchitectureTeraScale 2 (2009−2015)Gen. 11 Ice Lake (2019−2022)
GPU code nameSumoAlder Lake Xe
Market segmentDesktopLaptop
Release date7 December 2011 (12 years ago)4 January 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 cores40064
Core clock speed444 MHzno data
Boost clock speedno data1400 MHz
Number of transistors1,178 millionno data
Manufacturing process technology32 nm10 nm
Power consumption (TDP)35 Wattno data
Texture fill rate8.880no data
Floating-point processing power0.3552 TFLOPSno data
ROPs8no data
TMUs20no 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).

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 Sharedno data
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno 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

Supported technologies

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

Quick Syncno data+

API compatibility

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

DirectX11.2 (11_0)DirectX 12_1
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no data
VulkanN/A-

Pros & cons summary


Recency 7 December 2011 4 January 2022
Chip lithography 32 nm 10 nm

Iris Xe Graphics 64EUs (Alder Lake) has an age advantage of 10 years, and a 220% more advanced lithography process.

We couldn't decide between Radeon HD 6620G and Iris Xe Graphics 64EUs (Alder Lake). We've got no test results to judge.

Be aware that Radeon HD 6620G is a desktop card while Iris Xe Graphics 64EUs (Alder Lake) 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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AMD Radeon HD 6620G
Radeon HD 6620G
Intel Iris Xe Graphics 64EUs (Alder Lake)
Iris Xe Graphics 64EUs (Alder Lake)

Comparisons with similar GPUs

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Community ratings

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2.5 85 votes

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3 50 votes

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Questions & comments

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