Radeon RX Vega Mobile vs HD 7620G

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Primary details

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

Place in the ranking1119not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.62no data
ArchitectureTeraScale 3 (2010−2013)Vega (2017−2020)
GPU code nameDevastatorVega Mobile
Market segmentLaptopLaptop
Release date15 May 2012 (12 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 cores3841792
Core clock speed360 MHzno data
Boost clock speed497 MHzno data
Number of transistors1,303 millionno data
Manufacturing process technology32 nm14 nm
Power consumption (TDP)25 Watt90 Watt
Texture fill rate11.93no data
Floating-point processing power0.3817 TFLOPSno data
ROPs8no 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 sizemedium sizedmedium sized
InterfaceIGPno 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 typeSystem SharedHBM2
Maximum RAM amountSystem Shared4 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 ConnectorsNo outputsno data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12_1
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no data
VulkanN/A-

Pros & cons summary


Recency 15 May 2012 7 January 2018
Chip lithography 32 nm 14 nm
Power consumption (TDP) 25 Watt 90 Watt

HD 7620G has 260% lower power consumption.

RX Vega Mobile, on the other hand, has an age advantage of 5 years, and a 128.6% more advanced lithography process.

We couldn't decide between Radeon HD 7620G 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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AMD Radeon HD 7620G
Radeon HD 7620G
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.


2.9 21 vote

Rate Radeon HD 7620G on a scale of 1 to 5:

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2.8 302 votes

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

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Questions & comments

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