Radeon R3 Mobile Graphics vs HD Graphics 620

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Primary details

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

Place in the ranking834not rated
Place by popularity63not in top-100
Power efficiency11.17no data
ArchitectureGeneration 9.5 (2016−2020)GCN 2.0 (2013−2017)
GPU code nameKaby Lake GT2Beema
Market segmentDesktopLaptop
Release date30 August 2016 (8 years ago)28 January 2015 (9 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 cores192128
Core clock speed300 MHz600 MHz
Boost clock speed1000 MHz655 MHz
Number of transistors189 million930 million
Manufacturing process technology14 nm++28 nm
Power consumption (TDP)15 Watt15 Watt
Texture fill rate24.004.800
Floating-point processing power0.384 TFLOPS0.1536 TFLOPS
ROPs34
TMUs248

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 BusIGP
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 typeDDR3L/LPDDR3/LPDDR4System Shared
Maximum RAM amount32 GBSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memory+no data

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)12 (12_0)
Shader Model6.46.3
OpenGL4.64.6
OpenCL3.02.0
Vulkan+1.2.131

Pros & cons summary


Recency 30 August 2016 28 January 2015
Chip lithography 14 nm 28 nm

HD Graphics 620 has an age advantage of 1 year, and a 100% more advanced lithography process.

We couldn't decide between HD Graphics 620 and Radeon R3 Mobile Graphics. We've got no test results to judge.

Be aware that HD Graphics 620 is a desktop card while Radeon R3 Mobile Graphics 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 HD Graphics 620
HD Graphics 620
AMD Radeon R3 Mobile Graphics
Radeon R3 Mobile Graphics

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 2637 votes

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2.8 44 votes

Rate Radeon R3 Mobile Graphics on a scale of 1 to 5:

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Questions & comments

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