Iris Plus Graphics 645 vs Mobility Radeon HD 5870 Crossfire
When choosing between Iris Plus Graphics 645 and Mobility Radeon HD 5870 Crossfire, 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 Mobility Radeon HD 5870 Crossfire.
Iris Plus Graphics 645 and Mobility Radeon HD 5870 Crossfire are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:
Main Specs
Iris Plus Graphics 645
Mobility Radeon HD 5870 Crossfire
Power consumption (TDP)
15 Watt
120 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3/DDR4
DDR3, GDDR3, GDDR5
Maximum RAM amount
2x1 GB
Display Connectors
No outputs
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Mobility Radeon HD 5870 Crossfire has 700% more power consumption, than Iris Plus Graphics 645.
Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
Core clock speed of Mobility Radeon HD 5870 Crossfire is 400 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 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
16−18
ultra / 1080p
2−3
9−10
QHD / 1440p
0−1
4−5
low / 720p
12−14
30−35
medium / 1080p
5−6
18−20
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than Iris Plus Graphics 645.
high / 1080p
−
24−27
ultra / 1080p
7−8
21−24
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
16−18
50−55
medium / 1080p
8−9
27−30
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Battlefield 5 is 209% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Iris Plus Graphics 645 and Mobility Radeon HD 5870 Crossfire have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
210−220
medium / 768p
80−85
180−190
ultra / 1080p
35−40
100−110
QHD / 1440p
24−27
50−55
4K / 2160p
−
30−35
high / 768p
60−65
140−150
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Counter-Strike: Global Offensive is 125% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Cyberpunk 2077 is 25% more, than Iris Plus Graphics 645.
low / 768p
65−70
110−120
medium / 768p
45−50
95−100
ultra / 1080p
21−24
65−70
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Dota 2 is 106% more, than Iris Plus Graphics 645.
high / 1080p
5−6
18−20
ultra / 1080p
5−6
16−18
QHD / 1440p
−
16−18
4K / 2160p
3−4
6−7
low / 720p
12−14
40−45
medium / 1080p
5−6
20−22
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Far Cry 5 is 250% more, than Iris Plus Graphics 645.
high / 1080p
12−14
24−27
ultra / 1080p
8−9
20−22
QHD / 1440p
−
16−18
low / 720p
45−50
100−110
medium / 1080p
12−14
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Fortnite is 160% more, than Iris Plus Graphics 645.
high / 1080p
8−9
27−30
ultra / 1080p
−
21−24
QHD / 1440p
0−1
9−10
4K / 2160p
−
9−10
low / 720p
16−18
55−60
medium / 1080p
9−10
30−33
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Forza Horizon 4 is 254% more, than Iris Plus Graphics 645.
low / 768p
40−45
85−90
medium / 768p
35−40
75−80
high / 1080p
7−8
30−35
ultra / 1080p
5−6
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Grand Theft Auto V is 126% more, than Iris Plus Graphics 645.
high / 1080p
3−4
10−11
ultra / 1080p
2−3
8−9
4K / 2160p
0−1
3−4
low / 720p
7−8
30−35
medium / 1080p
4−5
12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Metro Exodus is 300% more, than Iris Plus Graphics 645.
low / 768p
85−90
110−120
high / 1080p
80−85
−
ultra / 1080p
70−75
−
medium / 1080p
−
100−110
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Minecraft is 32% more, than Iris Plus Graphics 645.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
low / 720p
24−27
55−60
medium / 1080p
16−18
24−27
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 72% more, than Iris Plus Graphics 645.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
7−8
30−33
medium / 1080p
−
16−18
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Red Dead Redemption 2 is 200% more, than Iris Plus Graphics 645.
low / 768p
16−18
55−60
medium / 768p
12−14
35−40
high / 1080p
6−7
20−22
ultra / 1080p
5−6
10−12
4K / 2160p
−
8−9
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in The Witcher 3: Wild Hunt is 210% more, than Iris Plus Graphics 645.
low / 768p
80−85
100−110
medium / 768p
35−40
60−65
ultra / 1080p
14−16
35−40
high / 768p
30−33
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in World of Tanks is 58% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Mobility Radeon HD 5870 Crossfire
Architecture
Gen. 9.5 Coffee Lake
Terascale 2
Code name
Kaby Lake GT3e
Broadway-XT
Type
Laptop
Laptop
Release date
10 July 2019
7 January 2010
Pipelines
48
1600
Core clock speed
300 MHz
700 MHz
Boost Clock
1150 MHz
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
Memory bus width
128 Bit
Memory clock speed
1000 MHz
Shared memory
+
-
DirectX
12 (12_1)
DirectX 11, Shader 5.0
Shader Model
6.4
OpenGL
4.6
OpenCL
2.1
Vulkan
1.1.103
Laptop size
large
Quick Sync
+
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