Tiger Lake-U Xe Graphics G4 vs Radeon HD 6645G2

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)Gen. 11 Ice Lake (2019−2022)
GPU code nameno dataTiger Lake Xe
Market segmentLaptopLaptop
Release date14 June 2011 (13 years ago)15 August 2020 (4 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 cores56080
Manufacturing process technology40 nm10 nm

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 sizemedium sizedno 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 typeno dataDDR4
Shared memory-+

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.

DirectX11DirectX 12_1

Pros & cons summary


Recency 14 June 2011 15 August 2020
Chip lithography 40 nm 10 nm

Tiger Lake-U Xe Graphics G4 has an age advantage of 9 years, and a 300% more advanced lithography process.

We couldn't decide between Radeon HD 6645G2 and Tiger Lake-U Xe Graphics G4. 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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AMD Radeon HD 6645G2
Radeon HD 6645G2
Intel Tiger Lake-U Xe Graphics G4
Tiger Lake-U Xe Graphics G4

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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Rate Radeon HD 6645G2 on a scale of 1 to 5:

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3.2 6 votes

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Questions & comments

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