Iris Graphics 5100 vs Mobility Radeon HD 4870
If you are going to buy a new graphics card and are choosing between Iris Graphics 5100 and Mobility Radeon HD 4870, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Graphics 5100 stacks up against Mobility Radeon HD 4870, check out specs charts below.
Iris Graphics 5100 and Mobility Radeon HD 4870 are Laptop Graphics Cards
Note: Iris Graphics 5100 and Mobility Radeon HD 4870 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 Graphics 5100 or Mobility Radeon HD 4870 here:
Main Specs
Iris Graphics 5100
Mobility Radeon HD 4870
Power consumption (TDP)
30 Watt
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Memory type
System Shared
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
No outputs
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Iris Graphics 5100 is connected by PCIe 1.0 x16, and Mobility Radeon HD 4870 uses PCIe 2.0 x16 interface.
Both cards are used in Laptops.
Iris Graphics 5100 is build with Gen. 7.5 Haswell architecture, and Mobility Radeon HD 4870 - with Terascale 1.
Core clock speed of Mobility Radeon HD 4870 is 350 MHz higher, than Iris Graphics 5100.
Iris Graphics 5100 is manufactured by 22 nm process technology, and Mobility Radeon HD 4870 - 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
3−4
7−8
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
16−18
medium / 1080p
5−6
8−9
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than Iris Graphics 5100.
high / 1080p
7−8
12−14
ultra / 1080p
6−7
10−11
QHD / 1440p
0−1
0−1
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 50% more, than Iris Graphics 5100.
low / 768p
50−55
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
Iris Graphics 5100 and Mobility Radeon HD 4870 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
140−150
medium / 768p
100−110
110−120
ultra / 1080p
45−50
55−60
QHD / 1440p
24−27
30−33
4K / 2160p
18−20
27−30
high / 768p
70−75
80−85
The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 16% more, than Iris Graphics 5100.
low / 768p
65−70
55−60
ultra / 1080p
21−24
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Graphics 5100 in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 4870.
low / 768p
75−80
80−85
medium / 768p
50−55
60−65
ultra / 1080p
24−27
35−40
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 17% more, than Iris Graphics 5100.
high / 1080p
4−5
8−9
ultra / 1080p
3−4
8−9
4K / 2160p
2−3
3−4
low / 720p
12−14
18−20
medium / 1080p
5−6
9−10
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 80% more, than Iris Graphics 5100.
high / 1080p
10−12
14−16
ultra / 1080p
6−7
10−11
QHD / 1440p
4−5
−
low / 720p
55−60
60−65
medium / 1080p
14−16
24−27
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 27% more, than Iris Graphics 5100.
high / 1080p
7−8
12−14
ultra / 1080p
−
10−12
QHD / 1440p
4−5
1−2
4K / 2160p
3−4
−
low / 720p
20−22
27−30
medium / 1080p
9−10
14−16
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 40% more, than Iris Graphics 5100.
low / 768p
45−50
50−55
medium / 768p
−
45−50
high / 1080p
6−7
12−14
ultra / 1080p
3−4
6−7
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 26% more, than Iris Graphics 5100.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
6−7
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Mobility Radeon HD 4870 in Metro Exodus is 100% more, than Iris Graphics 5100.
low / 768p
90−95
95−100
high / 1080p
80−85
90−95
ultra / 1080p
−
80−85
4K / 2160p
75−80
−
medium / 1080p
−
90−95
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 9% more, than Iris Graphics 5100.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
30−35
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Iris Graphics 5100.
ultra / 1080p
7−8
7−8
QHD / 1440p
−
0−1
low / 720p
8−9
12−14
medium / 1080p
−
10−12
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 25% more, than Iris Graphics 5100.
low / 768p
12−14
24−27
medium / 768p
10−11
16−18
high / 1080p
5−6
9−10
ultra / 1080p
4−5
6−7
4K / 2160p
1−2
6−7
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 85% more, than Iris Graphics 5100.
low / 768p
75−80
85−90
medium / 768p
40−45
45−50
ultra / 1080p
16−18
20−22
high / 768p
30−35
35−40
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 14% more, than Iris Graphics 5100.
Full Specs
Iris Graphics 5100
Mobility Radeon HD 4870
Architecture
Gen. 7.5 Haswell
Terascale 1
Code name
Haswell GT3
M98-XT
Type
Laptop
Laptop
Release date
5 June 2013
9 January 2009
Pipelines
40
800
Core clock speed
200 MHz
550 MHz
Boost Clock
1200 MHz
Transistor count
1,300 million
956 million
Manufacturing process technology
22 nm
55 nm
Texture fill rate
48.00
22.00
Floating-point performance
880.0 gflops
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
888 MHz
Memory bandwidth
56.83 GB/s
Shared memory
+
-
DirectX
12 (11_1)
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.3
3.3
OpenCL
1.2
1.1
Vulkan
1.1.80
N/A
Laptop size
large
Quick Sync
+
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