Iris Plus Graphics 645 vs Radeon Pro 570X

Primary details

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

Place in the rankingnot rated658
Place by popularitynot in top-100not in top-100
Power efficiencyno data20.50
ArchitectureGCN 4.0 (2016−2020)Generation 9.5 (2016−2020)
GPU code namePolaris 20Coffee Lake GT3e
Market segmentMobile workstationDesktop
Release date18 March 2019 (5 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 cores1792384
Core clock speed1000 MHz300 MHz
Boost clock speed1105 MHz1050 MHz
Number of transistors5,700 millionno data
Manufacturing process technology14 nm14 nm+++
Power consumption (TDP)120 Watt15 Watt
Texture fill rate123.850.40
Floating-point processing power3.96 TFLOPS0.8064 TFLOPS
ROPs326
TMUs11248

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 3.0 x16Ring Bus
Widthno dataIGP
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 typeGDDR5System Shared
Maximum RAM amount4 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed1700 MHzSystem Shared
Memory bandwidth217.6 GB/sno data
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 ConnectorsNo outputsPortable 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 compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 18 March 2019 7 October 2019
Power consumption (TDP) 120 Watt 15 Watt

Iris Plus Graphics 645 has an age advantage of 6 months, and 700% lower power consumption.

We couldn't decide between Radeon Pro 570X and Iris Plus Graphics 645. We've got no test results to judge.

Be aware that Radeon Pro 570X is a mobile workstation card while Iris Plus Graphics 645 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon Pro 570X
Radeon Pro 570X
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.


3.7 37 votes

Rate Radeon Pro 570X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.9 116 votes

Rate Iris Plus Graphics 645 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.