HD Graphics 400 vs Iris Xe Graphics G4

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Primary details

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

Place in the rankingnot rated1078
Place by popularitynot in top-100not in top-100
Power efficiencyno data12.91
ArchitectureGeneration 12.1 (2020−2021)Generation 8.0 (2014−2015)
GPU code nameTiger Lake GT2Braswell GT1
Market segmentLaptopLaptop
Release date2 September 2020 (4 years ago)1 April 2015 (9 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 cores38496
Core clock speed300 MHz320 MHz
Boost clock speed1100 MHz600 MHz
Number of transistorsno data189 million
Manufacturing process technology10 nm14 nm
Power consumption (TDP)15 Watt6 Watt
Texture fill rate26.407.200
Floating-point processing power0.8448 TFLOPS0.1152 TFLOPS
ROPs122
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).

InterfacePCIe 3.0 x1Ring 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 typeSystem SharedDDR3L
Maximum RAM amountSystem Shared8 GB
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 ConnectorsNo outputsPortable 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 (11_1)
Shader Model6.45.1
OpenGL4.64.3
OpenCL3.03.0
Vulkan1.2+

Pros & cons summary


Recency 2 September 2020 1 April 2015
Chip lithography 10 nm 14 nm
Power consumption (TDP) 15 Watt 6 Watt

Iris Xe Graphics G4 has an age advantage of 5 years, and a 40% more advanced lithography process.

HD Graphics 400, on the other hand, has 150% lower power consumption.

We couldn't decide between Iris Xe Graphics G4 and HD Graphics 400. 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 Iris Xe Graphics G4
Iris Xe Graphics G4
Intel HD Graphics 400
HD Graphics 400

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.


3.2 219 votes

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2.5 416 votes

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Questions & comments

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