RTX A3000 Mobile 12 GB 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 ranking837not rated
Place by popularity63not in top-100
Power efficiency11.25no data
ArchitectureGeneration 9.5 (2016−2020)Ampere (2020−2024)
GPU code nameKaby Lake GT2GA104
Market segmentLaptopMobile workstation
Release date30 August 2016 (8 years ago)12 April 2021 (3 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 cores1924096
Core clock speed300 MHz495 MHz
Boost clock speed1000 MHz1170 MHz
Number of transistors189 million17,400 million
Manufacturing process technology14 nm++8 nm
Power consumption (TDP)15 Watt70 Watt
Texture fill rate24.00149.8
Floating-point processing power0.384 TFLOPS9.585 TFLOPS
ROPs364
TMUs24128
Tensor Coresno data128
Ray Tracing Coresno data32

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 4.0 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 typeDDR3L/LPDDR3/LPDDR4GDDR6
Maximum RAM amount32 GB12 GB
Memory bus widthSystem Shared192 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data336.0 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 DependentPortable 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 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan+1.3
CUDA-8.6

Pros & cons summary


Recency 30 August 2016 12 April 2021
Maximum RAM amount 32 GB 12 GB
Chip lithography 14 nm 8 nm
Power consumption (TDP) 15 Watt 70 Watt

HD Graphics 620 has a 166.7% higher maximum VRAM amount, and 366.7% lower power consumption.

RTX A3000 Mobile 12 GB, on the other hand, has an age advantage of 4 years, and a 75% more advanced lithography process.

We couldn't decide between HD Graphics 620 and RTX A3000 Mobile 12 GB. We've got no test results to judge.

Be aware that HD Graphics 620 is a notebook graphics card while RTX A3000 Mobile 12 GB is a mobile workstation 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
NVIDIA RTX A3000 Mobile 12 GB
RTX A3000 Mobile 12 GB

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 2647 votes

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3 21 vote

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Questions & comments

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