ATI Mobility Radeon HD 4225 IGP vs UHD Graphics 620

Primary details

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

Place in the ranking807not rated
Place by popularity24not in top-100
Power efficiency12.41no data
ArchitectureGeneration 9.5 (2016−2020)TeraScale (2005−2013)
GPU code nameKaby Lake GT2RS880
Market segmentLaptopLaptop
Release date1 September 2017 (7 years ago)1 May 2010 (14 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 cores19240
Core clock speed300 MHz500 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million181 million
Manufacturing process technology14 nm++55 nm
Power consumption (TDP)15 Watt9 Watt
Texture fill rate24.002.000
Floating-point processing power0.384 TFLOPS0.04 TFLOPS
ROPs34
TMUs244

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 1.0 x16
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 typeLPDDR3/DDR4System Shared
Maximum RAM amount32 GBSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
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 DependentNo outputs

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)10.1 (10_1)
Shader Model6.44.1
OpenGL4.63.3
OpenCL3.01.0
Vulkan1.3N/A

Pros & cons summary


Recency 1 September 2017 1 May 2010
Chip lithography 14 nm 55 nm
Power consumption (TDP) 15 Watt 9 Watt

UHD Graphics 620 has an age advantage of 7 years, and a 292.9% more advanced lithography process.

ATI Mobility HD 4225 IGP, on the other hand, has 66.7% lower power consumption.

We couldn't decide between UHD Graphics 620 and Mobility Radeon HD 4225 IGP. 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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Intel UHD Graphics 620
UHD Graphics 620
ATI Mobility Radeon HD 4225 IGP
Mobility Radeon HD 4225 IGP

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Community ratings

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3 4374 votes

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4.7 3 votes

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Questions & comments

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