Iris Plus Graphics 940 vs HD Graphics 4000

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Primary details

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

Place in the ranking1060not rated
Place by popularity46not in top-100
Power efficiency1.87no data
ArchitectureGeneration 7.0 (2012−2013)Generation 11.0 (2019−2021)
GPU code nameIvy Bridge GT2Ice Lake GT2
Market segmentDesktopDesktop
Release date14 May 2012 (12 years ago)no data (2024 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 cores128384
Core clock speed650 MHz400 MHz
Boost clock speed1000 MHz1000 MHz
Number of transistors1,200 millionno data
Manufacturing process technology22 nm10 nm
Power consumption (TDP)unknown15 Watt
Texture fill rate16.0024.00
Floating-point processing power0.256 TFLOPS0.768 TFLOPS
ROPs28
TMUs1624

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 x1
WidthIGPIGP

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 SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memory+no data

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 DependentNo outputs

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.

DirectX11.1 (11_0)12 (12_1)
Shader Model5.0no data
OpenGL4.04.6
OpenCL1.2no data
Vulkan+-

Pros & cons summary


Chip lithography 22 nm 10 nm

Iris Plus Graphics 940 has a 120% more advanced lithography process.

We couldn't decide between HD Graphics 4000 and Iris Plus Graphics 940. 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 4000
HD Graphics 4000
Intel Iris Plus Graphics 940
Iris Plus Graphics 940

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.


3.1 5169 votes

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2.6 82 votes

Rate Iris Plus Graphics 940 on a scale of 1 to 5:

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Questions & comments

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