Iris Plus Graphics G4 Ice Lake 48 EU vs Radeon HD 7870M

When comparing Iris Plus Graphics G4 Ice Lake 48 EU and Radeon HD 7870M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Iris Plus Graphics G4 Ice Lake 48 EU and Radeon HD 7870M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Iris Plus Graphics G4 Ice Lake 48 EU and Radeon HD 7870M are Laptop Graphics Cards

Note: Iris Plus Graphics G4 Ice Lake 48 EU and Radeon HD 7870M are only used in laptop graphics. They have 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 G4 Ice Lake 48 EU or Radeon HD 7870M here:

Main Specs

  Iris Plus Graphics G4 Ice Lake 48 EU Radeon HD 7870M
Power consumption (TDP) 45 Watt
Interface PCIe 3.0 x16
Memory type DDR4 GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Iris Plus Graphics G4 Ice Lake 48 EU is build with Gen. 11 Ice Lake architecture, and Radeon HD 7870M - with GCN.
  • Core clock speed of Radeon HD 7870M is 500 MHz higher, than Iris Plus Graphics G4 Ice Lake 48 EU.
  • Iris Plus Graphics G4 Ice Lake 48 EU is manufactured by 10 nm process technology, and Radeon HD 7870M - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 6−7
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 10−12 8−9
The average gaming FPS of Iris Plus Graphics G4 Ice Lake 48 EU in Assassin's Creed Odyssey is 33% more, than Radeon HD 7870M.

Full Specs

  Iris Plus Graphics G4 Ice Lake 48 EU Radeon HD 7870M
Architecture Gen. 11 Ice Lake GCN
Code name Ice Lake G4 Gen. 11 Heathrow XT
Type Laptop Laptop
Release date 28 May 2019 24 April 2012
Pipelines 48 640
Core clock speed 300 MHz 800 MHz
Boost Clock 1100 MHz
Transistor count 1,500 million
Manufacturing process technology 10 nm 28 nm
Texture fill rate 32.00
Floating-point performance 1,024 gflops
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory bandwidth 64 GB/s
Shared memory + -
DirectX DirectX 12_1 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Laptop size large
Quick Sync +
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