Iris Plus Graphics 645 vs GeForce 9400 GT Rev. 3

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Primary details

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

Place in the rankingnot rated700
Place by popularitynot in top-100not in top-100
Power efficiencyno data20.99
ArchitectureTesla 2.0 (2007−2013)Generation 9.5 (2016−2020)
GPU code nameGT218Coffee Lake GT3e
Market segmentDesktopLaptop
Release date13 June 2012 (13 years ago)7 October 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 cores16384
Core clock speed589 MHz300 MHz
Boost clock speedno data1050 MHz
Number of transistors260 millionno data
Manufacturing process technology40 nm14 nm+++
Power consumption (TDP)50 Watt15 Watt
Texture fill rate4.71250.40
Floating-point processing power0.04486 TFLOPS0.8064 TFLOPS
ROPs46
TMUs848

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 2.0 x16Ring Bus
Length168 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeDDR2System Shared
Maximum RAM amount128 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed600 MHzSystem Shared
Memory bandwidth9.6 GB/sno 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 Connectors1x DVI, 1x VGA, 1x S-VideoPortable Device Dependent

Supported technologies

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

Quick Syncno data+

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.1 (10_1)12 (12_1)
Shader Model4.16.4
OpenGL3.34.6
OpenCL1.13.0
VulkanN/A1.3
CUDA1.2-

Pros & cons summary


Recency 13 June 2012 7 October 2019
Chip lithography 40 nm 14 nm
Power consumption (TDP) 50 Watt 15 Watt

Iris Plus Graphics 645 has an age advantage of 7 years, a 185.7% more advanced lithography process, and 233.3% lower power consumption.

We couldn't decide between GeForce 9400 GT Rev. 3 and Iris Plus Graphics 645. We've got no test results to judge.

Be aware that GeForce 9400 GT Rev. 3 is a desktop graphics card while Iris Plus Graphics 645 is a notebook one.

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NVIDIA GeForce 9400 GT Rev. 3
GeForce 9400 GT Rev. 3
Intel Iris Plus Graphics 645
Iris Plus Graphics 645

Other comparisons

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.


3.3 133 votes

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3 122 votes

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