Iris Plus Graphics 655 vs Radeon HD 7970M
When comparing Iris Plus Graphics 655 and Radeon HD 7970M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Iris Plus Graphics 655 and Radeon HD 7970M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Iris Plus Graphics 655 and Radeon HD 7970M are Laptop Graphics Cards
Note: Iris Plus Graphics 655 and Radeon HD 7970M 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 7970M here:
Main Specs
Iris Plus Graphics 655
Radeon HD 7970M
Power consumption (TDP)
15 Watt
100 Watt
Interface
PCIe 3.0 x1
MXM-B (3.0)
Supplementary power connectors
None
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
No outputs
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Radeon HD 7970M has 566% more power consumption, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 7970M uses MXM-B (3.0) interface.
Both cards are used in Laptops.
Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 7970M - with GCN.
Core clock speed of Radeon HD 7970M is 550 MHz higher, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 7970M - 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
18−20
ultra / 1080p
7−8
10−12
QHD / 1440p
2−3
5−6
4K / 2160p
−
4−5
low / 720p
27−30
35−40
medium / 1080p
16−18
21−24
The average gaming FPS of Radeon HD 7970M in Assassin's Creed Odyssey is 46% more, than Iris Plus Graphics 655.
high / 1080p
21−24
27−30
ultra / 1080p
18−20
24−27
QHD / 1440p
4−5
9−10
4K / 2160p
−
6−7
low / 720p
45−50
60−65
medium / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 7970M in Battlefield 5 is 34% more, than Iris Plus Graphics 655.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7970M in Call of Duty: Warzone is 10% more, than Iris Plus Graphics 655.
low / 768p
190−200
220−230
medium / 768p
160−170
190−200
ultra / 1080p
85−90
110−120
QHD / 1440p
45−50
75−80
4K / 2160p
30−33
40−45
high / 768p
120−130
160−170
The average gaming FPS of Radeon HD 7970M in Counter-Strike: Global Offensive is 25% more, than Iris Plus Graphics 655.
low / 768p
55−60
60−65
ultra / 1080p
35−40
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970M in Cyberpunk 2077 is 17% more, than Iris Plus Graphics 655.
low / 768p
100−110
110−120
medium / 768p
85−90
100−110
ultra / 1080p
55−60
75−80
The average gaming FPS of Radeon HD 7970M in Dota 2 is 19% more, than Iris Plus Graphics 655.
high / 1080p
14−16
21−24
ultra / 1080p
14−16
20−22
QHD / 1440p
−
18−20
4K / 2160p
5−6
7−8
low / 720p
30−35
45−50
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 7970M in Far Cry 5 is 41% more, than Iris Plus Graphics 655.
high / 1080p
21−24
30−33
ultra / 1080p
16−18
21−24
QHD / 1440p
16−18
14−16
low / 720p
85−90
110−120
medium / 1080p
45−50
65−70
The average gaming FPS of Radeon HD 7970M in Fortnite is 31% more, than Iris Plus Graphics 655.
high / 1080p
21−24
30−35
ultra / 1080p
16−18
24−27
QHD / 1440p
7−8
12−14
4K / 2160p
−
12−14
low / 720p
45−50
60−65
medium / 1080p
24−27
35−40
The average gaming FPS of Radeon HD 7970M in Forza Horizon 4 is 41% more, than Iris Plus Graphics 655.
low / 768p
75−80
95−100
medium / 768p
65−70
85−90
high / 1080p
24−27
35−40
ultra / 1080p
10−11
14−16
QHD / 1440p
1−2
5−6
The average gaming FPS of Radeon HD 7970M in Grand Theft Auto V is 33% more, than Iris Plus Graphics 655.
high / 1080p
8−9
12−14
ultra / 1080p
6−7
9−10
4K / 2160p
2−3
2−3
low / 720p
24−27
35−40
medium / 1080p
10−12
16−18
The average gaming FPS of Radeon HD 7970M in Metro Exodus is 50% more, than Iris Plus Graphics 655.
low / 768p
100−110
110−120
ultra / 1080p
95−100
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon HD 7970M in Minecraft is 9% more, than Iris Plus Graphics 655.
high / 1080p
21−24
−
ultra / 1080p
16−18
14−16
low / 720p
50−55
65−70
medium / 1080p
21−24
18−20
The average gaming FPS of Radeon HD 7970M in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Iris Plus Graphics 655.
high / 1080p
12−14
14−16
ultra / 1080p
9−10
9−10
QHD / 1440p
0−1
0−1
low / 720p
24−27
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7970M in Red Dead Redemption 2 is 33% more, than Iris Plus Graphics 655.
low / 768p
45−50
65−70
medium / 768p
27−30
40−45
high / 1080p
16−18
21−24
ultra / 1080p
9−10
12−14
4K / 2160p
7−8
7−8
The average gaming FPS of Radeon HD 7970M in The Witcher 3: Wild Hunt is 36% more, than Iris Plus Graphics 655.
low / 768p
95−100
90−95
medium / 768p
55−60
60−65
ultra / 1080p
30−35
40−45
high / 768p
50−55
55−60
The average gaming FPS of Radeon HD 7970M in World of Tanks is 5% more, than Iris Plus Graphics 655.
Full Specs
Iris Plus Graphics 655
Radeon HD 7970M
Architecture
Gen. 9.5 Kaby Lake
GCN
Code name
Kaby Lake GT3e
Wimbledon XT
Type
Laptop
Laptop
Release date
1 September 2017
1 May 2012
Pipelines
48
1280
Core clock speed
300 MHz
850 MHz
Boost Clock
1200 MHz
Transistor count
189 million
2,800 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
68.00
Floating-point performance
2,176 gflops
Memory bus width
256 Bit
Memory clock speed
4800 MHz
Memory bandwidth
153.6 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)
254 Mh/s
Laptop size
large
Quick Sync
+
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