Quadro RTX 5000 Mobile Refresh vs Iris Plus Graphics 645

Primary details

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

Place in the ranking661not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.54no data
ArchitectureGeneration 9.5 (2016−2020)Turing (2018−2022)
GPU code nameCoffee Lake GT3eTU104B
Market segmentLaptopMobile workstation
Release date7 October 2019 (5 years ago)8 June 2020 (4 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 cores3843072
Core clock speed300 MHz1035 MHz
Boost clock speed1050 MHz1545 MHz
Number of transistorsno data13,600 million
Manufacturing process technology14 nm+++12 nm
Power consumption (TDP)15 Watt110 Watt
Texture fill rate50.40296.6
Floating-point processing power0.8064 TFLOPS9.492 TFLOPS
ROPs664
TMUs48192
Tensor Coresno data384
Ray Tracing Coresno data48

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 x16

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 SharedGDDR6
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data448.0 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 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.

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL3.01.2
Vulkan1.31.2.140
CUDA-7.5

Pros & cons summary


Recency 7 October 2019 8 June 2020
Chip lithography 14 nm 12 nm
Power consumption (TDP) 15 Watt 110 Watt

Iris Plus Graphics 645 has 633.3% lower power consumption.

RTX 5000 Mobile Refresh, on the other hand, has an age advantage of 8 months, and a 16.7% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 645 and Quadro RTX 5000 Mobile Refresh. We've got no test results to judge.

Be aware that Iris Plus Graphics 645 is a notebook graphics card while Quadro RTX 5000 Mobile Refresh is a mobile workstation 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 645
Iris Plus Graphics 645
NVIDIA Quadro RTX 5000 Mobile Refresh
Quadro RTX 5000 Mobile Refresh

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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