Iris Graphics 540 vs Radeon HD 7990
In this comparison between Iris Graphics 540 and Radeon HD 7990 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 Graphics 540 will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.
Iris Graphics 540 is a Laptop Graphics Card
Note: Iris Graphics 540 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 Graphics 540 here:
Main Specs
Iris Graphics 540
Radeon HD 7990
Power consumption (TDP)
15 Watt
375 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
eDRAM
GDDR5
Maximum RAM amount
64 MB
3 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 2400% more power consumption, than Iris Graphics 540.
Iris Graphics 540 is connected by PCIe 3.0 x1, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Iris Graphics 540 has 61 GB more memory, than Radeon HD 7990.
Iris Graphics 540 is used in Laptops, and Radeon HD 7990 - in Desktops.
Iris Graphics 540 is build with Gen. 9 Skylake architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 650 MHz higher, than Iris Graphics 540.
Iris Graphics 540 is manufactured by 14 nm process technology, and Radeon HD 7990 - 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
8−9
35−40
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
20−22
60−65
medium / 1080p
10−12
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 272% more, than Iris Graphics 540.
high / 1080p
14−16
55−60
ultra / 1080p
12−14
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
30−35
100−110
medium / 1080p
16−18
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 257% more, than Iris Graphics 540.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Iris Graphics 540.
low / 768p
150−160
250−260
medium / 768p
130−140
220−230
ultra / 1080p
65−70
180−190
QHD / 1440p
35−40
110−120
4K / 2160p
27−30
70−75
high / 768p
95−100
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 105% more, than Iris Graphics 540.
low / 768p
55−60
60−65
ultra / 1080p
24−27
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Iris Graphics 540.
low / 768p
85−90
120−130
medium / 768p
65−70
110−120
ultra / 1080p
40−45
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 76% more, than Iris Graphics 540.
high / 1080p
10−11
45−50
ultra / 1080p
9−10
40−45
QHD / 1440p
−
27−30
4K / 2160p
4−5
14−16
low / 720p
24−27
80−85
medium / 1080p
10−12
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 291% more, than Iris Graphics 540.
high / 1080p
16−18
60−65
ultra / 1080p
12−14
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
70−75
180−190
medium / 1080p
30−33
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 209% more, than Iris Graphics 540.
high / 1080p
14−16
60−65
ultra / 1080p
12−14
45−50
QHD / 1440p
3−4
30−35
4K / 2160p
−
24−27
low / 720p
30−35
100−110
medium / 1080p
16−18
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 293% more, than Iris Graphics 540.
low / 768p
60−65
140−150
medium / 768p
50−55
120−130
high / 1080p
16−18
70−75
ultra / 1080p
8−9
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 165% more, than Iris Graphics 540.
high / 1080p
6−7
24−27
ultra / 1080p
4−5
20−22
QHD / 1440p
−
16−18
4K / 2160p
1−2
8−9
low / 720p
16−18
65−70
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 342% more, than Iris Graphics 540.
low / 768p
95−100
130−140
high / 1080p
95−100
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 34% more, than Iris Graphics 540.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
35−40
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Iris Graphics 540.
high / 1080p
12−14
24−27
ultra / 1080p
8−9
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
16−18
65−70
medium / 1080p
12−14
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 200% more, than Iris Graphics 540.
low / 768p
30−35
130−140
medium / 768p
21−24
85−90
high / 1080p
10−12
45−50
ultra / 1080p
7−8
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 287% more, than Iris Graphics 540.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
50−55
high / 768p
40−45
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 26% more, than Iris Graphics 540.
Full Specs
Iris Graphics 540
Radeon HD 7990
Architecture
Gen. 9 Skylake
GCN 1.0
Code name
Skylake GT3e
Malta
Type
Laptop
Desktop
Release date
1 September 2015
24 April 2013
Pipelines
48
2048
Core clock speed
300 MHz
950 MHz
Boost Clock
1050 MHz
1000 MHz
Transistor count
189 million
4,313 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
384 Bit
Memory clock speed
6000 MHz
Memory bandwidth
288.0 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
1.1.97
1.2.131
Bitcoin / BTC (SHA256)
459 Mh/s
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
Quick Sync
+
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