Iris Plus Graphics 645 vs GMA 3600

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Primary details

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

Place in the rankingnot rated662
Place by popularitynot in top-100not in top-100
ArchitecturePowerVR SGX545 (2008−2010)Gen. 9.5 Coffee Lake (2019)
GPU code nameCedarviewKaby Lake GT3e
Market segmentDesktopLaptop
Release date1 October 2008 (15 years ago)10 July 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 cores3248
Core clock speed400 MHz300 MHz
Boost clock speedno data1150 MHz
Manufacturing process technology65 nm14 nm
Power consumption (TDP)13 Watt15 Watt
Texture fill rate1.60050.40
Floating-point processing power0.0256 gflops0.8064 gflops

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).

InterfacePCIPCIe 3.0 x1
WidthIGPno 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 SharedDDR3, DDR4
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno data
Shared memoryno 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 ConnectorsNo outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Syncno data+

API compatibility

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

DirectX10.112 (12_1)
Shader Model4.16.4
OpenGLES 2.04.6
OpenCLN/A2.1
VulkanN/A1.1.103

Pros & cons summary


Recency 1 October 2008 10 July 2019
Chip lithography 65 nm 14 nm
Power consumption (TDP) 13 Watt 15 Watt

GMA 3600 has 15.4% lower power consumption.

Iris Plus Graphics 645, on the other hand, has an age advantage of 10 years, and a 364.3% more advanced lithography process.

We couldn't decide between GMA 3600 and Iris Plus Graphics 645. We've got no test results to judge.

Be aware that GMA 3600 is a desktop card while Iris Plus Graphics 645 is a notebook 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 GMA 3600
GMA 3600
Intel Iris Plus Graphics 645
Iris Plus Graphics 645

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.


2.7 23 votes

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2.9 114 votes

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Questions & comments

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