Iris Plus Graphics 645 vs Maxwell GPU Surface Book
When choosing between Iris Plus Graphics 645 and Maxwell GPU Surface Book, 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 645 and Maxwell GPU Surface Book.
Iris Plus Graphics 645 and Maxwell GPU Surface Book are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Maxwell GPU Surface Book 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 645 or Maxwell GPU Surface Book here:
Main Specs
Iris Plus Graphics 645
Maxwell GPU Surface Book
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Maxwell GPU Surface Book - with Maxwell.
Core clock speed of Maxwell GPU Surface Book is 654 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Maxwell GPU Surface Book - by 28 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
4−5
8−9
ultra / 1080p
2−3
5−6
QHD / 1440p
0−1
0−1
low / 720p
12−14
20−22
medium / 1080p
5−6
10−12
The average gaming FPS of Maxwell GPU Surface Book in Assassin's Creed Odyssey is 83% more, than Iris Plus Graphics 645.
high / 1080p
−
14−16
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
0−1
low / 720p
16−18
30−35
medium / 1080p
8−9
16−18
The average gaming FPS of Maxwell GPU Surface Book in Battlefield 5 is 81% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 645 and Maxwell GPU Surface Book have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
150−160
medium / 768p
80−85
130−140
ultra / 1080p
35−40
65−70
QHD / 1440p
24−27
35−40
4K / 2160p
−
27−30
high / 768p
60−65
95−100
The average gaming FPS of Maxwell GPU Surface Book in Counter-Strike: Global Offensive is 58% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Maxwell GPU Surface Book in Cyberpunk 2077 is 10% more, than Iris Plus Graphics 645.
low / 768p
65−70
85−90
medium / 768p
45−50
65−70
ultra / 1080p
21−24
40−45
The average gaming FPS of Maxwell GPU Surface Book in Dota 2 is 44% more, than Iris Plus Graphics 645.
high / 1080p
5−6
10−11
ultra / 1080p
5−6
9−10
4K / 2160p
3−4
4−5
low / 720p
12−14
24−27
medium / 1080p
5−6
10−12
The average gaming FPS of Maxwell GPU Surface Book in Far Cry 5 is 100% more, than Iris Plus Graphics 645.
high / 1080p
12−14
16−18
ultra / 1080p
8−9
12−14
low / 720p
45−50
70−75
medium / 1080p
12−14
30−33
The average gaming FPS of Maxwell GPU Surface Book in Fortnite is 65% more, than Iris Plus Graphics 645.
high / 1080p
8−9
14−16
ultra / 1080p
−
12−14
QHD / 1440p
0−1
3−4
low / 720p
16−18
30−35
medium / 1080p
9−10
16−18
The average gaming FPS of Maxwell GPU Surface Book in Forza Horizon 4 is 90% more, than Iris Plus Graphics 645.
low / 768p
40−45
60−65
medium / 768p
35−40
50−55
high / 1080p
7−8
16−18
ultra / 1080p
5−6
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Maxwell GPU Surface Book in Grand Theft Auto V is 52% more, than Iris Plus Graphics 645.
high / 1080p
3−4
6−7
ultra / 1080p
2−3
4−5
4K / 2160p
0−1
1−2
low / 720p
7−8
16−18
medium / 1080p
4−5
8−9
The average gaming FPS of Maxwell GPU Surface Book in Metro Exodus is 125% more, than Iris Plus Graphics 645.
low / 768p
85−90
95−100
high / 1080p
80−85
95−100
ultra / 1080p
70−75
85−90
medium / 1080p
−
95−100
The average gaming FPS of Maxwell GPU Surface Book in Minecraft is 17% more, than Iris Plus Graphics 645.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
24−27
35−40
medium / 1080p
16−18
18−20
The average gaming FPS of Maxwell GPU Surface Book in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Iris Plus Graphics 645.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
7−8
16−18
medium / 1080p
−
12−14
The average gaming FPS of Maxwell GPU Surface Book in Red Dead Redemption 2 is 71% more, than Iris Plus Graphics 645.
low / 768p
16−18
30−35
medium / 768p
12−14
21−24
high / 1080p
6−7
10−12
ultra / 1080p
5−6
7−8
4K / 2160p
−
6−7
The average gaming FPS of Maxwell GPU Surface Book in The Witcher 3: Wild Hunt is 80% more, than Iris Plus Graphics 645.
low / 768p
80−85
90−95
medium / 768p
35−40
50−55
ultra / 1080p
14−16
24−27
high / 768p
30−33
40−45
The average gaming FPS of Maxwell GPU Surface Book in World of Tanks is 29% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Maxwell GPU Surface Book
Architecture
Gen. 9.5 Coffee Lake
Maxwell
Code name
Kaby Lake GT3e
Surface Book
Type
Laptop
Laptop
Release date
10 July 2019
1 October 2015
Pipelines
48
384
Core clock speed
300 MHz
954 MHz
Boost Clock
1150 MHz
993 MHz
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
Memory bus width
64 Bit
Memory clock speed
5012 MHz
Shared memory
+
-
DirectX
12 (12_1)
DirectX 12 (FL 11_0), Shader 5.0
Shader Model
6.4
OpenGL
4.6
OpenCL
2.1
Vulkan
1.1.103
CUDA
+
Optimus
+
Quick Sync
+
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