Iris Plus Graphics 640 vs Radeon HD 7970M
In this comparison between Iris Plus Graphics 640 and Radeon HD 7970M 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 640 will be the best choice, for others Radeon HD 7970M will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 640 and Radeon HD 7970M are Laptop Graphics Cards
Note: Iris Plus Graphics 640 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 640 or Radeon HD 7970M here:
Main Specs
Iris Plus Graphics 640
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
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
2 GB
Display Connectors
No outputs
No outputs
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Radeon HD 7970M has 566% more power consumption, than Iris Plus Graphics 640.
Iris Plus Graphics 640 is connected by PCIe 3.0 x1, and Radeon HD 7970M uses MXM-B (3.0) interface.
Iris Plus Graphics 640 has 30 GB more memory, than Radeon HD 7970M.
Both cards are used in Laptops.
Iris Plus Graphics 640 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 640.
Iris Plus Graphics 640 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
6−7
18−20
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
16−18
35−40
medium / 1080p
8−9
21−24
The average gaming FPS of Radeon HD 7970M in Assassin's Creed Odyssey is 144% more, than Iris Plus Graphics 640.
high / 1080p
12−14
27−30
ultra / 1080p
10−11
24−27
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
24−27
60−65
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon HD 7970M in Battlefield 5 is 146% more, than Iris Plus Graphics 640.
low / 768p
45−50
50−55
high / 1080p
45−50
−
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 640.
low / 768p
130−140
220−230
medium / 768p
110−120
190−200
ultra / 1080p
50−55
110−120
QHD / 1440p
27−30
75−80
4K / 2160p
27−30
40−45
high / 768p
80−85
160−170
The average gaming FPS of Radeon HD 7970M in Counter-Strike: Global Offensive is 86% more, than Iris Plus Graphics 640.
low / 768p
55−60
60−65
ultra / 1080p
18−20
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970M in Cyberpunk 2077 is 34% more, than Iris Plus Graphics 640.
low / 768p
80−85
110−120
medium / 768p
55−60
100−110
ultra / 1080p
30−35
75−80
The average gaming FPS of Radeon HD 7970M in Dota 2 is 73% more, than Iris Plus Graphics 640.
high / 1080p
8−9
21−24
ultra / 1080p
7−8
20−22
QHD / 1440p
−
18−20
4K / 2160p
3−4
7−8
low / 720p
18−20
45−50
medium / 1080p
8−9
24−27
The average gaming FPS of Radeon HD 7970M in Far Cry 5 is 166% more, than Iris Plus Graphics 640.
high / 1080p
14−16
30−33
ultra / 1080p
10−11
21−24
QHD / 1440p
−
14−16
low / 720p
60−65
110−120
medium / 1080p
21−24
65−70
The average gaming FPS of Radeon HD 7970M in Fortnite is 118% more, than Iris Plus Graphics 640.
high / 1080p
12−14
30−35
ultra / 1080p
10−12
24−27
QHD / 1440p
1−2
12−14
4K / 2160p
−
12−14
low / 720p
24−27
60−65
medium / 1080p
14−16
35−40
The average gaming FPS of Radeon HD 7970M in Forza Horizon 4 is 161% more, than Iris Plus Graphics 640.
low / 768p
50−55
95−100
medium / 768p
45−50
85−90
high / 1080p
12−14
35−40
ultra / 1080p
6−7
14−16
QHD / 1440p
0−1
5−6
The average gaming FPS of Radeon HD 7970M in Grand Theft Auto V is 103% more, than Iris Plus Graphics 640.
high / 1080p
4−5
12−14
ultra / 1080p
3−4
9−10
4K / 2160p
0−1
2−3
low / 720p
12−14
35−40
medium / 1080p
6−7
16−18
The average gaming FPS of Radeon HD 7970M in Metro Exodus is 216% more, than Iris Plus Graphics 640.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon HD 7970M in Minecraft is 21% more, than Iris Plus Graphics 640.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
65−70
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7970M in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than Iris Plus Graphics 640.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
12−14
35−40
medium / 1080p
10−12
18−20
The average gaming FPS of Radeon HD 7970M in Red Dead Redemption 2 is 120% more, than Iris Plus Graphics 640.
low / 768p
24−27
65−70
medium / 768p
16−18
40−45
high / 1080p
9−10
21−24
ultra / 1080p
6−7
12−14
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7970M in The Witcher 3: Wild Hunt is 130% more, than Iris Plus Graphics 640.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
40−45
high / 768p
35−40
55−60
The average gaming FPS of Radeon HD 7970M in World of Tanks is 34% more, than Iris Plus Graphics 640.
Full Specs
Iris Plus Graphics 640
Radeon HD 7970M
Architecture
Gen. 9.5 Kaby Lake
GCN
Code name
Kaby Lake GT3e
Wimbledon XT
Type
Laptop
Laptop
Release date
3 January 2017
1 May 2012
Pipelines
48
1280
Core clock speed
300 MHz
850 MHz
Boost Clock
1050 MHz
Transistor count
189 million
2,800 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
52.80
68.00
Floating-point performance
2,176 gflops
Memory bus width
64/128 Bit
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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