GRID K520 vs Iris Graphics 540

When comparing GRID K520 and Iris Graphics 540, 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 GRID K520 and Iris Graphics 540 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Iris Graphics 540 is a Laptop Graphics Card

Note: Iris Graphics 540 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 Graphics 540 here:

Main Specs

  GRID K520 Iris Graphics 540
Power consumption (TDP) 225 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors 1x 8-pin
Memory type GDDR5 eDRAM
Maximum RAM amount 4 GB 64 MB
Display Connectors No outputs No outputs
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  • GRID K520 has 1400% more power consumption, than Iris Graphics 540.
  • GRID K520 is connected by PCIe 3.0 x16, and Iris Graphics 540 uses PCIe 3.0 x1 interface.
  • Iris Graphics 540 has 60 GB more memory, than GRID K520.
  • GRID K520 is used in Desktops, and Iris Graphics 540 - in Laptops.
  • GRID K520 is build with Kepler architecture, and Iris Graphics 540 - with Gen. 9 Skylake.
  • Core clock speed of GRID K520 is 445 MHz higher, than Iris Graphics 540.
  • GRID K520 is manufactured by 28 nm process technology, and Iris Graphics 540 - by 14 nm process technology.

Game benchmarks

high / 1080p 16−18 8−9
ultra / 1080p 9−10 5−6
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 20−22
medium / 1080p 20−22 10−12
The average gaming FPS of GRID K520 in Assassin's Creed Odyssey is 81% more, than Iris Graphics 540.

Full Specs

  GRID K520 Iris Graphics 540
Architecture Kepler Gen. 9 Skylake
Code name GK104 Skylake GT3e
Type Workstation Laptop
Release date 23 July 2013 1 September 2015
Pipelines 1536 48
Core clock speed 745 MHz 300 MHz
Boost Clock 1050 MHz
Transistor count 3,540 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 95.36 50.40
Floating-point performance 2x 2,448 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 5000 MHz
Memory bandwidth 160.0 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.97
CUDA 3.0
Bitcoin / BTC (SHA256) 76 Mh/s
Quick Sync +
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