Radeon Vega 3 Efficient 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 ranking839not rated
Place by popularity63not in top-100
Power efficiency11.25no data
ArchitectureGeneration 9.5 (2016−2020)GCN 5.0 (2017−2020)
GPU code nameKaby Lake GT2Raven
Market segmentLaptopDesktop
Release date30 August 2016 (8 years ago)26 May 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 cores192192
Core clock speed300 MHz300 MHz
Boost clock speed1000 MHz1000 MHz
Number of transistors189 million4,940 million
Manufacturing process technology14 nm++14 nm
Power consumption (TDP)15 Watt15 Watt
Texture fill rate24.0012.00
Floating-point processing power0.384 TFLOPS0.384 TFLOPS
ROPs34
TMUs2412

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
Widthno dataIGP
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 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_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL3.02.0
Vulkan+1.2.131

Pros & cons summary


Recency 30 August 2016 26 May 2018

Vega 3 Efficient has an age advantage of 1 year.

We couldn't decide between HD Graphics 620 and Radeon Vega 3 Efficient. We've got no test results to judge.

Be aware that HD Graphics 620 is a notebook card while Radeon Vega 3 Efficient is a desktop 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 Vega 3 Efficient
Radeon Vega 3 Efficient

Comparisons with similar GPUs

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Community ratings

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


3.1 2650 votes

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3.4 44 votes

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Questions & comments

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