Radeon RX 5800 vs Iris Plus Graphics 655

Primary details

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

Place in the ranking654not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.73no data
ArchitectureGeneration 9.5 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameCoffee Lake GT3eNavi 23
Market segmentDesktopDesktop
Release date3 April 2018 (6 years ago)no data (2024 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 MHzno data
Boost clock speed1050 MHz1735 MHz
Number of transistors189 millionno data
Manufacturing process technology14 nm+++7 nm
Power consumption (TDP)15 Watt275 Watt
Texture fill rate50.40333.1
Floating-point processing power0.8064 TFLOPS10.66 TFLOPS
ROPs664
TMUs48192

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 4.0 x16
WidthIGP2-slot
Supplementary power connectorsno data2x 8-pin

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 Shared8 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared14000 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 Dependent1x HDMI, 3x DisplayPort
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)12.0 (12_1)
Shader Model6.4no data
OpenGL4.64.6
OpenCL3.0no data
Vulkan1.3-

Pros & cons summary


Chip lithography 14 nm 7 nm
Power consumption (TDP) 15 Watt 275 Watt

Iris Plus Graphics 655 has 1733.3% lower power consumption.

RX 5800, on the other hand, has a 100% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 655 and Radeon RX 5800. We've got no test results to judge.


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 655
Iris Plus Graphics 655
AMD Radeon RX 5800
Radeon RX 5800

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.6 328 votes

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3.6 111 votes

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Questions & comments

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