Iris Plus Graphics 655 vs Radeon HD 6870
In this comparison between Iris Plus Graphics 655 and Radeon HD 6870 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 6870 will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 655 is a Laptop Graphics Card
Note: Iris Plus Graphics 655 is only used in laptop graphics. It has 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 here:
Main Specs
Iris Plus Graphics 655
Radeon HD 6870
Power consumption (TDP)
15 Watt
151 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6870 has 906% more power consumption, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 6870 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 655 is used in Laptops, and Radeon HD 6870 - in Desktops.
Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 6870 - with Terascale 2.
Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 6870 - 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
12−14
10−12
ultra / 1080p
7−8
6−7
QHD / 1440p
2−3
1−2
low / 720p
27−30
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 18% more, than Radeon HD 6870.
high / 1080p
21−24
18−20
ultra / 1080p
18−20
14−16
QHD / 1440p
4−5
1−2
low / 720p
45−50
35−40
medium / 1080p
21−24
20−22
The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 27% more, than Radeon HD 6870.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 655 and Radeon HD 6870 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
180−190
medium / 768p
160−170
140−150
ultra / 1080p
85−90
75−80
QHD / 1440p
45−50
40−45
4K / 2160p
30−33
30−33
high / 768p
120−130
110−120
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 9% more, than Radeon HD 6870.
low / 768p
55−60
55−60
ultra / 1080p
35−40
30−33
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 4% more, than Radeon HD 6870.
low / 768p
100−110
95−100
medium / 768p
85−90
75−80
ultra / 1080p
55−60
50−55
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 10% more, than Radeon HD 6870.
high / 1080p
14−16
12−14
ultra / 1080p
14−16
12−14
4K / 2160p
5−6
5−6
low / 720p
30−35
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 13% more, than Radeon HD 6870.
high / 1080p
21−24
20−22
ultra / 1080p
16−18
14−16
QHD / 1440p
16−18
−
low / 720p
85−90
80−85
medium / 1080p
45−50
35−40
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 10% more, than Radeon HD 6870.
high / 1080p
21−24
18−20
ultra / 1080p
16−18
14−16
QHD / 1440p
7−8
5−6
low / 720p
45−50
40−45
medium / 1080p
24−27
21−24
The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 20% more, than Radeon HD 6870.
low / 768p
75−80
70−75
medium / 768p
65−70
60−65
high / 1080p
24−27
21−24
ultra / 1080p
10−11
9−10
QHD / 1440p
1−2
0−1
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 9% more, than Radeon HD 6870.
high / 1080p
8−9
7−8
ultra / 1080p
6−7
5−6
4K / 2160p
2−3
1−2
low / 720p
24−27
21−24
medium / 1080p
10−12
9−10
The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 11% more, than Radeon HD 6870.
low / 768p
100−110
100−110
ultra / 1080p
95−100
90−95
medium / 1080p
100−110
100−105
The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 2% more, than Radeon HD 6870.
high / 1080p
21−24
18−20
ultra / 1080p
16−18
16−18
low / 720p
50−55
45−50
medium / 1080p
21−24
21−24
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 7% more, than Radeon HD 6870.
high / 1080p
12−14
12−14
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
low / 720p
24−27
20−22
medium / 1080p
14−16
12−14
The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 15% more, than Radeon HD 6870.
low / 768p
45−50
40−45
medium / 768p
27−30
24−27
high / 1080p
16−18
14−16
ultra / 1080p
9−10
8−9
4K / 2160p
7−8
7−8
The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 15% more, than Radeon HD 6870.
low / 768p
95−100
95−100
medium / 768p
55−60
55−60
ultra / 1080p
30−35
27−30
high / 768p
50−55
45−50
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 5% more, than Radeon HD 6870.
Full Specs
Iris Plus Graphics 655
Radeon HD 6870
Architecture
Gen. 9.5 Kaby Lake
Terascale 2
Code name
Kaby Lake GT3e
RV940 Barts
Type
Laptop
Desktop
Release date
1 September 2017
22 October 2010
Pipelines
48
1120
Core clock speed
300 MHz
Boost Clock
1200 MHz
900 MHz
Transistor count
189 million
1,700 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
50.40
Floating-point performance
2,016.0 gflops
Length
220 mm
Memory bus width
256 Bit
Memory clock speed
1050 MHz
Memory bandwidth
134.4 GB/s
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
5.0
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.1.103
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
213 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Quick Sync
+
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