Iris Plus Graphics 655 vs Radeon HD 8870M
In this comparison between Iris Plus Graphics 655 and Radeon HD 8870M 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 Iris Plus Graphics 655 will be the best choice, for others Radeon HD 8870M will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 655 and Radeon HD 8870M are Laptop Graphics Cards
Note: Iris Plus Graphics 655 and Radeon HD 8870M 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 655 or Radeon HD 8870M here:
Main Specs
Iris Plus Graphics 655
Radeon HD 8870M
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Memory type
DDR3/DDR4
GDDR5, DDR3
Maximum RAM amount
2 GB
Display Connectors
No outputs
No outputs
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Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
Both cards are used in Laptops.
Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 8870M - with GCN.
Core clock speed of Radeon HD 8870M is 425 MHz higher, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 8870M - 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
12−14
7−8
ultra / 1080p
7−8
4−5
QHD / 1440p
2−3
0−1
low / 720p
27−30
18−20
medium / 1080p
16−18
9−10
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 60% more, than Radeon HD 8870M.
high / 1080p
21−24
12−14
ultra / 1080p
18−20
10−12
QHD / 1440p
4−5
0−1
low / 720p
45−50
27−30
medium / 1080p
21−24
14−16
The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 68% more, than Radeon HD 8870M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 655 and Radeon HD 8870M have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
140−150
medium / 768p
160−170
110−120
ultra / 1080p
85−90
55−60
QHD / 1440p
45−50
30−35
4K / 2160p
30−33
27−30
high / 768p
120−130
85−90
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 40% more, than Radeon HD 8870M.
low / 768p
55−60
55−60
ultra / 1080p
35−40
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 11% more, than Radeon HD 8870M.
low / 768p
100−110
85−90
medium / 768p
85−90
60−65
ultra / 1080p
55−60
35−40
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 33% more, than Radeon HD 8870M.
high / 1080p
14−16
9−10
ultra / 1080p
14−16
8−9
4K / 2160p
5−6
4−5
low / 720p
30−35
21−24
medium / 1080p
16−18
10−11
The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 54% more, than Radeon HD 8870M.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
10−12
QHD / 1440p
16−18
−
low / 720p
85−90
65−70
medium / 1080p
45−50
24−27
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 43% more, than Radeon HD 8870M.
high / 1080p
21−24
12−14
ultra / 1080p
16−18
12−14
QHD / 1440p
7−8
2−3
low / 720p
45−50
27−30
medium / 1080p
24−27
14−16
The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 71% more, than Radeon HD 8870M.
low / 768p
75−80
55−60
medium / 768p
65−70
45−50
high / 1080p
24−27
14−16
ultra / 1080p
10−11
7−8
QHD / 1440p
1−2
0−1
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 45% more, than Radeon HD 8870M.
high / 1080p
8−9
5−6
ultra / 1080p
6−7
3−4
4K / 2160p
2−3
0−1
low / 720p
24−27
14−16
medium / 1080p
10−12
7−8
The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 71% more, than Radeon HD 8870M.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
95−100
80−85
medium / 1080p
100−110
95−100
The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 10% more, than Radeon HD 8870M.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
14−16
low / 720p
50−55
35−40
medium / 1080p
21−24
18−20
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than Radeon HD 8870M.
high / 1080p
12−14
−
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
low / 720p
24−27
14−16
medium / 1080p
14−16
10−12
The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 45% more, than Radeon HD 8870M.
low / 768p
45−50
27−30
medium / 768p
27−30
18−20
high / 1080p
16−18
10−11
ultra / 1080p
9−10
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 57% more, than Radeon HD 8870M.
low / 768p
95−100
85−90
medium / 768p
55−60
45−50
ultra / 1080p
30−35
21−24
high / 768p
50−55
35−40
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 25% more, than Radeon HD 8870M.
Full Specs
Iris Plus Graphics 655
Radeon HD 8870M
Architecture
Gen. 9.5 Kaby Lake
GCN
Code name
Kaby Lake GT3e
Venus
Type
Laptop
Laptop
Release date
1 September 2017
18 December 2012
Pipelines
48
640
Core clock speed
300 MHz
725 MHz
Boost Clock
1200 MHz
775 MHz
Transistor count
189 million
1,500 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
31.00
Floating-point performance
992.0 gflops
Memory bus width
128 Bit
Memory clock speed
4500 MHz
Memory bandwidth
72 GB/s
Shared memory
+
-
DirectX
12 (12_1)
12 (11_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.103
1.2.131
Bitcoin / BTC (SHA256)
107 Mh/s
Laptop size
large
Quick Sync
+
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