Iris Plus Graphics 640 vs Mobility Radeon HD 4870 X2
Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 640 and Mobility Radeon HD 4870 X2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Iris Plus Graphics 640 and Mobility Radeon HD 4870 X2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Iris Plus Graphics 640 and Mobility Radeon HD 4870 X2 are Laptop Graphics Cards
Note: Iris Plus Graphics 640 and Mobility Radeon HD 4870 X2 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 640 or Mobility Radeon HD 4870 X2 here:
Main Specs
Iris Plus Graphics 640
Mobility Radeon HD 4870 X2
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Memory type
DDR3L/LPDDR3/DDR4
GDDR3, GDDR5
Maximum RAM amount
32 GB
2 GB
Display Connectors
No outputs
No outputs
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Iris Plus Graphics 640 is connected by PCIe 3.0 x1, and Mobility Radeon HD 4870 X2 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 640 has 30 GB more memory, than Mobility Radeon HD 4870 X2.
Both cards are used in Laptops.
Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
Core clock speed of Mobility Radeon HD 4870 X2 is 250 MHz higher, than Iris Plus Graphics 640.
Iris Plus Graphics 640 is manufactured by 14 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 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
6−7
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
12−14
The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 33% more, than Iris Plus Graphics 640.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
0−1
low / 720p
24−27
35−40
medium / 1080p
12−14
16−18
The average gaming FPS of Mobility Radeon HD 4870 X2 in Battlefield 5 is 40% more, than Iris Plus Graphics 640.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Iris Plus Graphics 640 and Mobility Radeon HD 4870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
160−170
medium / 768p
110−120
130−140
ultra / 1080p
50−55
70−75
QHD / 1440p
27−30
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
100−110
The average gaming FPS of Mobility Radeon HD 4870 X2 in Counter-Strike: Global Offensive is 24% more, than Iris Plus Graphics 640.
low / 768p
55−60
55−60
ultra / 1080p
18−20
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 4870 X2 in Cyberpunk 2077 is 7% more, than Iris Plus Graphics 640.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
30−35
45−50
The average gaming FPS of Mobility Radeon HD 4870 X2 in Dota 2 is 22% more, than Iris Plus Graphics 640.
high / 1080p
8−9
10−12
ultra / 1080p
7−8
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Mobility Radeon HD 4870 X2 in Far Cry 5 is 33% more, than Iris Plus Graphics 640.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
75−80
medium / 1080p
21−24
30−35
The average gaming FPS of Mobility Radeon HD 4870 X2 in Fortnite is 29% more, than Iris Plus Graphics 640.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
4−5
low / 720p
24−27
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Mobility Radeon HD 4870 X2 in Forza Horizon 4 is 38% more, than Iris Plus Graphics 640.
low / 768p
50−55
65−70
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 X2 in Grand Theft Auto V is 31% more, than Iris Plus Graphics 640.
high / 1080p
4−5
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Mobility Radeon HD 4870 X2 in Metro Exodus is 50% more, than Iris Plus Graphics 640.
low / 768p
95−100
100−110
high / 1080p
90−95
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
95−100
The average gaming FPS of Mobility Radeon HD 4870 X2 in Minecraft is 8% more, than Iris Plus Graphics 640.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
20−22
The average gaming FPS of Mobility Radeon HD 4870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% more, than Iris Plus Graphics 640.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
10−12
12−14
The average gaming FPS of Mobility Radeon HD 4870 X2 in Red Dead Redemption 2 is 30% more, than Iris Plus Graphics 640.
low / 768p
24−27
35−40
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Mobility Radeon HD 4870 X2 in The Witcher 3: Wild Hunt is 30% more, than Iris Plus Graphics 640.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
18−20
24−27
high / 768p
35−40
40−45
The average gaming FPS of Mobility Radeon HD 4870 X2 in World of Tanks is 12% more, than Iris Plus Graphics 640.
Full Specs
Iris Plus Graphics 640
Mobility Radeon HD 4870 X2
Architecture
Gen. 9.5 Kaby Lake
Terascale 1
Code name
Kaby Lake GT3e
M98-XT
Type
Laptop
Laptop
Release date
3 January 2017
9 January 2009
Pipelines
48
1600
Core clock speed
300 MHz
550 MHz
Boost Clock
1050 MHz
Transistor count
189 million
956 million
Manufacturing process technology
14 nm
55 nm
Texture fill rate
52.80
22.00
Floating-point performance
2x 880.0 gflops
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
888 MHz
Memory bandwidth
89.6 GB/s
Shared memory
+
-
DirectX
12 (12_1)
10.1 (10_1)
Shader Model
6.4
4.1
OpenGL
4.6
3.3
OpenCL
2.1
1.1
Vulkan
1.1.103
N/A
Laptop size
large
Quick Sync
+
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