Iris Plus Graphics G4 48EU 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)Generation 11.0 (2019−2021)
GPU code nameKaby Lake GT2Ice Lake GT1
Market segmentLaptopLaptop
Release date30 August 2016 (8 years ago)29 May 2019 (5 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 cores192384
Core clock speed300 MHz300 MHz
Boost clock speed1000 MHz1050 MHz
Number of transistors189 millionno data
Manufacturing process technology14 nm++10 nm+
Power consumption (TDP)15 Watt15 Watt
Texture fill rate24.0025.20
Floating-point processing power0.384 TFLOPS0.8064 TFLOPS
ROPs38
TMUs2424

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 BusRing Bus

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++

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 (12_1)
Shader Model6.46.5
OpenGL4.64.6
OpenCL3.03.0
Vulkan+1.3

Pros & cons summary


Recency 30 August 2016 29 May 2019
Chip lithography 14 nm 10 nm

Iris Plus Graphics G4 48EU Mobile has an age advantage of 2 years, and a 40% more advanced lithography process.

We couldn't decide between HD Graphics 620 and Iris Plus Graphics G4 48EU 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
Intel Iris Plus Graphics G4 48EU Mobile
Iris Plus Graphics G4 48EU 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

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3.1 2676 votes

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3 2 votes

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Questions & comments

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