HD Graphics 4400 vs Iris Plus Graphics 645
In this comparison between HD Graphics 4400 and Iris Plus Graphics 645 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people HD Graphics 4400 will be the best choice, for others Iris Plus Graphics 645 will be their preference. Study the comparison tables below and make your choice.
HD Graphics 4400 and Iris Plus Graphics 645 are Laptop Graphics Cards
Note: HD Graphics 4400 and Iris Plus Graphics 645 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 HD Graphics 4400 or Iris Plus Graphics 645 here:
Main Specs
HD Graphics 4400
Iris Plus Graphics 645
Power consumption (TDP)
20 Watt
15 Watt
Interface
PCIe 1.0 x16
PCIe 3.0 x1
Memory type
System Shared
DDR3/DDR4
Display Connectors
No outputs
No outputs
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HD Graphics 4400 has 33% more power consumption, than Iris Plus Graphics 645.
HD Graphics 4400 is connected by PCIe 1.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
Both cards are used in Laptops.
HD Graphics 4400 is build with Gen. 7.5 Haswell architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of Iris Plus Graphics 645 is 100 MHz higher, than HD Graphics 4400.
HD Graphics 4400 is manufactured by 22 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
0−1
4−5
ultra / 1080p
−
2−3
QHD / 1440p
0−1
0−1
low / 720p
2−3
12−14
medium / 1080p
0−1
5−6
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 550% more, than HD Graphics 4400.
ultra / 1080p
−
7−8
QHD / 1440p
0−1
0−1
low / 720p
0−1
16−18
medium / 1080p
−
8−9
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 645 in Call of Duty: Warzone is 4% more, than HD Graphics 4400.
low / 768p
55−60
100−110
medium / 768p
30−33
80−85
ultra / 1080p
6−7
35−40
QHD / 1440p
−
24−27
high / 768p
18−20
60−65
The average gaming FPS of Iris Plus Graphics 645 in Counter-Strike: Global Offensive is 153% more, than HD Graphics 4400.
low / 768p
65−70
55−60
ultra / 1080p
5−6
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of HD Graphics 4400 in Cyberpunk 2077 is 2% more, than Iris Plus Graphics 645.
low / 768p
55−60
65−70
medium / 768p
14−16
45−50
ultra / 1080p
0−1
21−24
The average gaming FPS of Iris Plus Graphics 645 in Dota 2 is 58% more, than HD Graphics 4400.
high / 1080p
−
5−6
ultra / 1080p
−
5−6
4K / 2160p
−
3−4
low / 720p
0−1
12−14
medium / 1080p
−
5−6
high / 1080p
−
12−14
ultra / 1080p
−
8−9
low / 720p
21−24
45−50
medium / 1080p
0−1
12−14
The average gaming FPS of Iris Plus Graphics 645 in Fortnite is 113% more, than HD Graphics 4400.
high / 1080p
0−1
8−9
QHD / 1440p
−
0−1
low / 720p
0−1
16−18
medium / 1080p
0−1
9−10
low / 768p
18−20
40−45
medium / 768p
−
35−40
high / 1080p
0−1
7−8
ultra / 1080p
−
5−6
QHD / 1440p
0−1
0−1
medium / 720p
12−14
−
The average gaming FPS of Iris Plus Graphics 645 in Grand Theft Auto V is 121% more, than HD Graphics 4400.
high / 1080p
−
3−4
ultra / 1080p
−
2−3
4K / 2160p
−
0−1
low / 720p
0−1
7−8
medium / 1080p
−
4−5
low / 768p
80−85
85−90
high / 1080p
60−65
80−85
ultra / 1080p
50−55
70−75
medium / 1080p
75−80
−
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 23% more, than HD Graphics 4400.
high / 1080p
−
16−18
ultra / 1080p
−
14−16
low / 720p
10−11
24−27
medium / 1080p
10−11
16−18
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 110% more, than HD Graphics 4400.
ultra / 1080p
−
7−8
QHD / 1440p
−
0−1
low / 720p
0−1
7−8
low / 768p
0−1
16−18
medium / 768p
−
12−14
high / 1080p
−
6−7
ultra / 1080p
−
5−6
low / 768p
45−50
80−85
medium / 768p
16−18
35−40
ultra / 1080p
0−1
14−16
high / 768p
12−14
30−33
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 100% more, than HD Graphics 4400.
Full Specs
HD Graphics 4400
Iris Plus Graphics 645
Architecture
Gen. 7.5 Haswell
Gen. 9.5 Coffee Lake
Code name
Haswell GT2
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
5 June 2013
10 July 2019
Pipelines
20
48
Core clock speed
200 MHz
300 MHz
Boost Clock
1100 MHz
1150 MHz
Transistor count
392 million
Manufacturing process technology
22 nm
14 nm
Texture fill rate
22.00
50.40
Floating-point performance
46 gflops
Memory bus width
64/128 Bit
Shared memory
+
+
DirectX
12 (11_1)
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.3
4.6
OpenCL
1.2
2.1
Vulkan
1.1.80
1.1.103
Quick Sync
+
+
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