Iris Plus Graphics 640 vs Radeon HD 6990M Crossfire
When comparing Iris Plus Graphics 640 and Radeon HD 6990M Crossfire, 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 640 and Radeon HD 6990M Crossfire is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Iris Plus Graphics 640 and Radeon HD 6990M Crossfire are Laptop Graphics Cards
Note: Iris Plus Graphics 640 and Radeon HD 6990M Crossfire 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 6990M Crossfire here:
Main Specs
Iris Plus Graphics 640
Radeon HD 6990M Crossfire
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
2x2 GB
Display Connectors
No outputs
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Iris Plus Graphics 640 has 30 GB more memory, than Radeon HD 6990M Crossfire.
Both cards are used in Laptops.
Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 6990M Crossfire is 415 MHz higher, than Iris Plus Graphics 640.
Iris Plus Graphics 640 is manufactured by 14 nm process technology, and Radeon HD 6990M Crossfire - 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
6−7
35−40
ultra / 1080p
4−5
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
16−18
60−65
medium / 1080p
8−9
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 355% more, than Iris Plus Graphics 640.
high / 1080p
12−14
55−60
ultra / 1080p
10−11
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
24−27
100−110
medium / 1080p
12−14
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 353% 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 6990M Crossfire in Call of Duty: Warzone is 10% more, than Iris Plus Graphics 640.
low / 768p
130−140
250−260
medium / 768p
110−120
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
27−30
110−120
4K / 2160p
27−30
70−75
high / 768p
80−85
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 142% more, than Iris Plus Graphics 640.
low / 768p
55−60
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 640.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 101% more, than Iris Plus Graphics 640.
high / 1080p
8−9
45−50
ultra / 1080p
7−8
40−45
QHD / 1440p
−
27−30
4K / 2160p
3−4
14−16
low / 720p
18−20
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 422% more, than Iris Plus Graphics 640.
high / 1080p
14−16
60−65
ultra / 1080p
10−11
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
21−24
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 277% more, than Iris Plus Graphics 640.
high / 1080p
12−14
60−65
ultra / 1080p
10−12
45−50
QHD / 1440p
1−2
30−35
4K / 2160p
−
24−27
low / 720p
24−27
100−110
medium / 1080p
14−16
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 384% more, than Iris Plus Graphics 640.
low / 768p
50−55
140−150
medium / 768p
45−50
120−130
high / 1080p
12−14
70−75
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 220% more, than Iris Plus Graphics 640.
high / 1080p
4−5
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
12−14
65−70
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 500% more, than Iris Plus Graphics 640.
low / 768p
95−100
130−140
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 36% more, than Iris Plus Graphics 640.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Iris Plus Graphics 640.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
12−14
65−70
medium / 1080p
10−12
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 300% more, than Iris Plus Graphics 640.
low / 768p
24−27
130−140
medium / 768p
16−18
85−90
high / 1080p
9−10
45−50
ultra / 1080p
6−7
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 376% more, than Iris Plus Graphics 640.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
50−55
high / 768p
35−40
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 42% more, than Iris Plus Graphics 640.
Full Specs
Iris Plus Graphics 640
Radeon HD 6990M Crossfire
Architecture
Gen. 9.5 Kaby Lake
Terascale 2
Code name
Kaby Lake GT3e
Blackcomb XTX
Type
Laptop
Laptop
Release date
3 January 2017
12 July 2011
Pipelines
48
2240
Core clock speed
300 MHz
715 MHz
Boost Clock
1050 MHz
Transistor count
189 million
2x1700 Million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
52.80
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
900 MHz
Shared memory
+
-
DirectX
12 (12_1)
DirectX 11, Shader 5.0
Shader Model
6.4
OpenGL
4.6
OpenCL
2.1
Vulkan
1.1.103
Laptop size
large
Quick Sync
+
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