Radeon RX Vega Mobile 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 ranking841not rated
Place by popularity63not in top-100
Power efficiency11.11no data
ArchitectureGeneration 9.5 (2016−2020)Vega (2017−2020)
GPU code nameKaby Lake GT2Vega Mobile
Market segmentLaptopLaptop
Release date30 August 2016 (8 years ago)7 January 2018 (6 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 cores1921792
Core clock speed300 MHzno data
Boost clock speed1000 MHzno data
Number of transistors189 millionno data
Manufacturing process technology14 nm++14 nm
Power consumption (TDP)15 Watt90 Watt
Texture fill rate24.00no data
Floating-point processing power0.384 TFLOPSno data
ROPs3no data
TMUs24no 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).

Laptop sizeno datamedium sized
InterfaceRing Busno 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/LPDDR4HBM2
Maximum RAM amount32 GB4 GB
Memory bus widthSystem Shared2048 Bit
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 ConnectorsPortable Device Dependentno data

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_1
Shader Model6.4no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan+-

Pros & cons summary


Recency 30 August 2016 7 January 2018
Maximum RAM amount 32 GB 4 GB
Power consumption (TDP) 15 Watt 90 Watt

HD Graphics 620 has a 700% higher maximum VRAM amount, and 500% lower power consumption.

RX Vega Mobile, on the other hand, has an age advantage of 1 year.

We couldn't decide between HD Graphics 620 and Radeon RX Vega Mobile. 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 HD Graphics 620
HD Graphics 620
AMD Radeon RX Vega Mobile
Radeon RX Vega Mobile

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 2683 votes

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

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2.8 321 vote

Rate Radeon RX Vega Mobile on a scale of 1 to 5:

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Questions & comments

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