Radeon RX Vega 56 Mobile vs UHD Graphics 620

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Primary details

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

Place in the ranking805not rated
Place by popularity24not in top-100
Power efficiency12.32no data
ArchitectureGeneration 9.5 (2016−2020)GCN 5.0 (2017−2020)
GPU code nameKaby Lake GT2Vega 10
Market segmentLaptopLaptop
Release date1 September 2017 (7 years ago)1 June 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 cores1923584
Core clock speed300 MHz1138 MHz
Boost clock speed1000 MHz1301 MHz
Number of transistors189 million12,500 million
Manufacturing process technology14 nm++14 nm
Power consumption (TDP)15 Watt120 Watt
Texture fill rate24.00291.4
Floating-point processing power0.384 TFLOPS9.326 TFLOPS
ROPs364
TMUs24224

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 3.0 x16

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/DDR4HBM2
Maximum RAM amount32 GB8 GB
Memory bus widthSystem Shared2048 Bit
Memory clock speedSystem Shared800 MHz
Memory bandwidthno data409.6 GB/s
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 Dependent1x HDMI, 3x DisplayPort
HDMI-+

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
Vulkan1.31.1.125

Pros & cons summary


Recency 1 September 2017 1 June 2018
Maximum RAM amount 32 GB 8 GB
Power consumption (TDP) 15 Watt 120 Watt

UHD Graphics 620 has a 300% higher maximum VRAM amount, and 700% lower power consumption.

RX Vega 56 Mobile, on the other hand, has an age advantage of 9 months.

We couldn't decide between UHD Graphics 620 and Radeon RX Vega 56 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 UHD Graphics 620
UHD Graphics 620
AMD Radeon RX Vega 56 Mobile
Radeon RX Vega 56 Mobile

Comparisons with similar GPUs

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Community ratings

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5 5 votes

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Questions & comments

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