Iris Plus Graphics 655 vs Radeon R7 250X

When choosing between Iris Plus Graphics 655 and Radeon R7 250X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 655 and Radeon R7 250X.

Iris Plus Graphics 655 is a Laptop Graphics Card

Note: Iris Plus Graphics 655 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Plus Graphics 655 here:

Main Specs

  Iris Plus Graphics 655 Radeon R7 250X
Power consumption (TDP) 15 Watt 80 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type DDR3/DDR4 GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R7 250X has 433% more power consumption, than Iris Plus Graphics 655.
  • Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Iris Plus Graphics 655 is used in Laptops, and Radeon R7 250X - in Desktops.
  • Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon R7 250X - with GCN 1.0.
  • Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon R7 250X - by 28 nm process technology.

Game benchmarks

high / 1080p 12−14 10−12
ultra / 1080p 7−8 6−7
QHD / 1440p 2−3 1−2
low / 720p 27−30 24−27
medium / 1080p 16−18 14−16
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 18% more, than Radeon R7 250X.

Full Specs

  Iris Plus Graphics 655 Radeon R7 250X
Architecture Gen. 9.5 Kaby Lake GCN 1.0
Code name Kaby Lake GT3e Cape Verde
Type Laptop Desktop
Release date 1 September 2017 13 February 2014
Pipelines 48 640
Core clock speed 300 MHz
Boost Clock 1200 MHz 1000 MHz
Transistor count 189 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 50.40 38.00
Floating-point performance 1,216 gflops
Length 210 mm
Memory bus width 128 Bit
Memory clock speed 1625 MHz
Memory bandwidth 96 GB/s
Shared memory +
DirectX 12 (12_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.103
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 152 Mh/s
Eyefinity +
Design reference
CrossFire +
DDMA audio +
Quick Sync +
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