Radeon RX Vega 56 Mobile vs Iris Plus Graphics 655

#ad 
Buy on Amazon
VS

Primary details

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

Place in the ranking655not rated
Place by popularitynot in top-100not in top-100
Power efficiency21.60no data
ArchitectureGeneration 9.5 (2016−2020)GCN 5.0 (2017−2020)
GPU code nameCoffee Lake GT3eVega 10
Market segmentDesktopLaptop
Release date3 April 2018 (6 years ago)1 June 2018 (6 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 cores3843584
Core clock speed300 MHz1138 MHz
Boost clock speed1050 MHz1301 MHz
Number of transistors189 million12,500 million
Manufacturing process technology14 nm+++14 nm
Power consumption (TDP)15 Watt120 Watt
Texture fill rate50.40291.4
Floating-point processing power0.8064 TFLOPS9.326 TFLOPS
ROPs664
TMUs48224

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
WidthIGPno 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 typeSystem SharedHBM2
Maximum RAM amountSystem Shared8 GB
Memory bus widthSystem Shared2048 Bit
Memory clock speedSystem Shared800 MHz
Memory bandwidthno data409.6 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 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL3.02.0
Vulkan1.31.1.125

Pros & cons summary


Recency 3 April 2018 1 June 2018
Power consumption (TDP) 15 Watt 120 Watt

Iris Plus Graphics 655 has 700% lower power consumption.

RX Vega 56 Mobile, on the other hand, has an age advantage of 1 month.

We couldn't decide between Iris Plus Graphics 655 and Radeon RX Vega 56 Mobile. We've got no test results to judge.

Be aware that Iris Plus Graphics 655 is a desktop card while Radeon RX Vega 56 Mobile is a notebook 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.


Intel Iris Plus Graphics 655
Iris Plus Graphics 655
AMD Radeon RX Vega 56 Mobile
Radeon RX Vega 56 Mobile

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.


3.6 328 votes

Rate Iris Plus Graphics 655 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 5 votes

Rate Radeon RX Vega 56 Mobile 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.