Radeon RX Vega 11 Efficient vs Iris Plus Graphics 640

#ad 
Buy on Amazon
VS

Primary details

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

Place in the ranking703not rated
Place by popularitynot in top-100not in top-100
Power efficiency17.68no data
ArchitectureGeneration 9.5 (2016−2020)GCN 5.0 (2017−2020)
GPU code nameKaby Lake GT3eRaven
Market segmentLaptopDesktop
Release date3 January 2017 (7 years ago)23 April 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 cores384704
Core clock speed300 MHz300 MHz
Boost clock speed1100 MHz1250 MHz
Number of transistors189 million4,940 million
Manufacturing process technology14 nm++14 nm
Power consumption (TDP)15 Watt35 Watt
Texture fill rate52.8055.00
Floating-point processing power0.8448 TFLOPS1.76 TFLOPS
ROPs68
TMUs4844

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 BusIGP
Widthno dataIGP
Supplementary power connectorsno dataNone

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/DDR4System Shared
Maximum RAM amount32 GBSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memory+no data

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 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL3.02.0
Vulkan1.31.2.131

Pros & cons summary


Recency 3 January 2017 23 April 2018
Power consumption (TDP) 15 Watt 35 Watt

Iris Plus Graphics 640 has 133.3% lower power consumption.

RX Vega 11 Efficient, on the other hand, has an age advantage of 1 year.

We couldn't decide between Iris Plus Graphics 640 and Radeon RX Vega 11 Efficient. We've got no test results to judge.

Be aware that Iris Plus Graphics 640 is a notebook card while Radeon RX Vega 11 Efficient 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.


Intel Iris Plus Graphics 640
Iris Plus Graphics 640
AMD Radeon RX Vega 11 Efficient
Radeon RX Vega 11 Efficient

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.


3.3 310 votes

Rate Iris Plus Graphics 640 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 16 votes

Rate Radeon RX Vega 11 Efficient 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.