GeForce GT 645 OEM vs Iris Plus Graphics 650

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Primary details

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

Place in the ranking651not rated
Place by popularitynot in top-100not in top-100
Power efficiency21.08no data
ArchitectureGeneration 9.5 (2016−2020)Fermi 2.0 (2010−2014)
GPU code nameKaby Lake GT3eGF114
Market segmentLaptopDesktop
Release date3 January 2017 (7 years ago)24 April 2012 (12 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 cores384288
Core clock speed300 MHz776 MHz
Boost clock speed1150 MHzno data
Number of transistors189 million1,950 million
Manufacturing process technology14 nm++40 nm
Power consumption (TDP)15 Watt102 Watt
Texture fill rate55.2037.25
Floating-point processing power0.8832 TFLOPS0.894 TFLOPS
ROPs624
TMUs4848

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 2.0 x16
Lengthno data210 mm
Widthno data2-slot

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/DDR4GDDR5
Maximum RAM amount32 GB1 GB
Memory bus widthSystem Shared192 Bit
Memory clock speedSystem Shared957 MHz
Memory bandwidthno data91.87 GB/s
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 Dependent2x DVI, 1x mini-HDMI
HDMI-+

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_0)
Shader Model6.45.1
OpenGL4.64.6
OpenCL3.01.1
Vulkan1.3N/A
CUDA-2.1

Pros & cons summary


Recency 3 January 2017 24 April 2012
Maximum RAM amount 32 GB 1 GB
Chip lithography 14 nm 40 nm
Power consumption (TDP) 15 Watt 102 Watt

Iris Plus Graphics 650 has an age advantage of 4 years, a 3100% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 580% lower power consumption.

We couldn't decide between Iris Plus Graphics 650 and GeForce GT 645 OEM. We've got no test results to judge.

Be aware that Iris Plus Graphics 650 is a notebook card while GeForce GT 645 OEM is a desktop 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 Iris Plus Graphics 650
Iris Plus Graphics 650
NVIDIA GeForce GT 645 OEM
GeForce GT 645 OEM

Comparisons with similar GPUs

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Community ratings

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2.7 98 votes

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Questions & comments

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