Radeon R4E Mobile Graphics vs HD Graphics 620

Primary details

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

Place in the ranking842not rated
Place by popularity53not in top-100
ArchitectureGen. 9.5 Kaby Lake (2015−2017)GCN 2.0 (2013−2017)
GPU code nameKaby-Lake GT2Beema
Market segmentLaptopLaptop
Release date30 August 2016 (8 years ago)6 June 2014 (10 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 cores24128
Core clock speed300 MHz800 MHz
Boost clock speed1050 MHz600 MHz
Number of transistors189 million930 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)15 Watt15 Watt
Texture fill rate25.206.400
Floating-point processing power0.4032 gflops0.2048 gflops
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).

InterfacePCIe 3.0 x1IGP

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 width64/128 BitSystem Shared
Memory clock speedno dataSystem 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 ConnectorsNo outputsPortable 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 (12_0)
Shader Model6.46.5 (6.0)
OpenGL4.64.6
OpenCL2.12.1
Vulkan+1.2.170

Pros & cons summary


Recency 30 August 2016 6 June 2014
Chip lithography 14 nm 28 nm

HD Graphics 620 has an age advantage of 2 years, and a 100% more advanced lithography process.

We couldn't decide between HD Graphics 620 and Radeon R4E Mobile Graphics. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


Intel HD Graphics 620
HD Graphics 620
AMD Radeon R4E Mobile Graphics
Radeon R4E 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 2564 votes

Rate HD Graphics 620 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
1 1 vote

Rate Radeon R4E Mobile Graphics on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.