Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Iris Graphics 540 Mobile Intel HD Graphics 520 Mobile
Red Dead Redemption 2 613% 873%
Death Stranding 880% 1236%
Call of Duty: Modern Warfare 613% 873%
Cyberpunk 2077 880% 1236%
Need For Speed Heat 613% 873%
Star Wars: Jedi - Fallen Order 880% 1236%
Planet Zoo 667% 945%
Diablo 4 880% 1236%
Borderlands 3 653% 927%
FIFA 20 280% 418%

In terms of overall gaming performance, the graphical capabilities of the Intel Iris Graphics 540 Mobile are significantly better than the Intel HD Graphics 520 Mobile.

The Graphics 540 and the Graphics 520 have the same core clock speed of 300 MHz, but the Graphics 520 has 8 more Texture Mapping Units than the Graphics 540. As a result, the Graphics 520 exhibits a 2.4 GTexel/s better Texture Fill Rate than the Graphics 540. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The Graphics 540 and the Graphics 520 have the same core clock speed of 300 MHz, but the Graphics 520 has 6 more Render Output Units than the Graphics 540. As a result, the Graphics 520 exhibits a 1.8 GPixel/s better Pixel Fill Rate than the Graphics 540. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

Both the Iris Graphics 540 Mobile and the HD Graphics 520 Mobile were released at the same time, so are likely to be quite similar.

The Graphics 540 has 64 MB video memory, but the Graphics 520 does not have an entry, so the two GPUs cannot be reliably compared in this area.

The Iris Graphics 540 Mobile has 48 Shader Processing Units and the HD Graphics 520 Mobile has 24. However, the actual shader performance of the Graphics 540 is 403 and the actual shader performance of the Graphics 520 is 202. The Graphics 540 having 201 better shader performance and an altogether better performance when taking into account other relevant data means that the Graphics 540 delivers a marginally smoother and more efficient experience when processing graphical data than the Graphics 520.

The Iris Graphics 540 Mobile requires 15 Watts to run and the HD Graphics 520 Mobile requires 15 Watts. The two GPUs require the same amount of wattage to run. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed300 MHzvs300 MHz
Boost Clock1050 MHzvs1050 MHz
ArchitectureSkylake GT3-ESkylake GT2-U
OC Potential None vs None
Driver Support Great vs Great
Release Date01 Sep 2015vs01 Sep 2015
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
6.6
green tick vs
5.8
1600x900
5.1
green tick vs
4.3
1920x1080
3.5
green tick vs
2.8
2560x1440
2.4
green tick vs
2
3840x2160
1.7
green tick vs
1.4

GPU Memory

MemoryN/AvsN/A
Memory Speed1067 MHzvs1067 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR4vsDDR4
Memory Bandwidth34.1GB/secvs34.1GB/sec
L2 Cache 512 KB green tick vs green tick 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units48vs24
Actual Shader Performance19%vs10%
Technology14nmvs14nm
Texture Mapping Units8vs16
Texture Rate2.4 GTexel/svs4.8 GTexel/s
Render Output Units2vs8
Pixel Rate0.6 GPixel/svs2.4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2304vs4096x2304
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
DisplayPort Connections0vs0
Comparison

GPU Power Requirements

Max Power15 Wattsvs15 Watts
Recommended PSU--

GPU Features

DirectX12.1vs12.1
Shader Model5.0vs5.0
Open GL4.4vs4.4
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatednovsno
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-6650U 2-Core 2.2GHz-
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Intel Iris Graphics 540 Mobile are Integrated Graphics in some of Intel's Skylake Mobile Processors.

Architecture
The Skylake Architecture succeeds the Broadwell Architecture and aims for increased CPU and Graphics Performance, within the same Power Requirements. It includes support for DirectX 12.1, OpenCL 2.0 and OpenGL 4.4, as well as DDR4 Memory Support.
The GPU Codenamed GT3-U offers 48 Shader Processing Units, 8 TMUs and 2 ROPs.

GPU
The Central Unit Initially Runs at 350MHz and goes up to 1050MHz, in Turbo Mode.

Memory: Speed
The Operating Memory Clock depends at which speed the System's RAM is running and which Memory Type is installed and is ultimately limited by the highest operating speed that the Processor supports. In this case, it is 933MHz for DDR3 and 1067MHz for DDR4.
Depending on whether or not the System's RAM is Dual-Channeled, it can access either a 64-bit or 128-bit Memory Interface.
An addition to the Iris Graphics is the access to a L4 Cache of 64MB eDRAM which further increases the Memory Performance.

Memory: Frame Buffer
The GPU Shares the System's RAM which varies according to the System. The GPU may reserve up to 1.7GB.

Performance
Because Performance depends heavily on the Memory Bandwidth, it may vary heavily from System to System.
Best Case Scenario, expect Performance Identical to a dedicated GeForce 830M.

System Suggestions
Intel Iris Graphics 540 Mobile is best suited for resolutions up to and including 1366x768. We recommend 4GB of RAM for Optimal Performance.
Overview
Intel HD Graphics 520 Mobile are Integrated Graphics in some of Intel's Skylake ULV Mobile Processors.

Architecture
The Skylake Architecture succeeds the Broadwell Architecture and aims for increased CPU and Graphics Performance, within the same Power Requirements. It includes support for DirectX 12.1, OpenCL 2.0 and OpenGL 4.4, as well as DDR4 Memory Support.
The GPU Codenamed GT2-U offers 24 Shader Processing Units, 16 TMUs and 8 ROPs.

GPU
The Central Unit Initially Runs at 300MHz and goes up to 1050MHz, in Turbo Mode.

Memory: Speed
The Operating Memory Clock depends at which speed the System's RAM is running and which Memory Type is installed and is ultimately limited by the highest operating speed that the Processor supports. In this case, it is 933MHz for DDR3 and 1067MHz for DDR4.
Depending on whether or not the System's RAM is Dual-Channeled, it can access either a 64-bit or 128-bit Memory Interface.

Memory: Frame Buffer
The GPU Shares the System's RAM which varies according to the System. The GPU may reserve up to 1.7GB.

Performance
Because Performance depends heavily on the Memory Bandwidth, it may vary heavily from System to System.
Best Case Scenario, expect Performance Identical to a dedicated GeForce 630M.

System Suggestions
Intel HD Graphics 520 Mobile is best suited for resolutions up to and including 1366x768. We recommend 4GB of RAM for Optimal Performance.
Recommended CPU
-
Possible GPU Upgrades
N/A
N/A
GPU Variants

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