Iris Plus Graphics 655 vs Radeon HD 7790
If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 655 and Radeon HD 7790, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Plus Graphics 655 stacks up against Radeon HD 7790, check out specs charts below.
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 7790
Power consumption (TDP)
15 Watt
85 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7790 has 466% more power consumption, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 7790 uses PCIe 3.0 x16 interface.
Iris Plus Graphics 655 is used in Laptops, and Radeon HD 7790 - in Desktops.
Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 7790 - with GCN 2.0.
Core clock speed of Radeon HD 7790 is 700 MHz higher, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 7790 - 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
16−18
ultra / 1080p
7−8
9−10
QHD / 1440p
2−3
4−5
4K / 2160p
−
4−5
low / 720p
27−30
30−35
medium / 1080p
16−18
20−22
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 23% more, than Iris Plus Graphics 655.
high / 1080p
21−24
24−27
ultra / 1080p
18−20
21−24
QHD / 1440p
4−5
8−9
4K / 2160p
−
6−7
low / 720p
45−50
50−55
medium / 1080p
21−24
27−30
The average gaming FPS of Radeon HD 7790 in Battlefield 5 is 17% more, than Iris Plus Graphics 655.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 655 and Radeon HD 7790 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
210−220
medium / 768p
160−170
180−190
ultra / 1080p
85−90
100−110
QHD / 1440p
45−50
55−60
4K / 2160p
30−33
30−35
high / 768p
120−130
140−150
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 13% more, than Iris Plus Graphics 655.
low / 768p
55−60
55−60
ultra / 1080p
35−40
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7790 in Cyberpunk 2077 is 4% more, than Iris Plus Graphics 655.
low / 768p
100−110
110−120
medium / 768p
85−90
95−100
ultra / 1080p
55−60
65−70
The average gaming FPS of Radeon HD 7790 in Dota 2 is 12% more, than Iris Plus Graphics 655.
high / 1080p
14−16
18−20
ultra / 1080p
14−16
16−18
QHD / 1440p
−
16−18
4K / 2160p
5−6
6−7
low / 720p
30−35
40−45
medium / 1080p
16−18
20−22
The average gaming FPS of Radeon HD 7790 in Far Cry 5 is 23% more, than Iris Plus Graphics 655.
high / 1080p
21−24
24−27
ultra / 1080p
16−18
20−22
QHD / 1440p
16−18
16−18
low / 720p
85−90
100−110
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7790 in Fortnite is 18% more, than Iris Plus Graphics 655.
high / 1080p
21−24
27−30
ultra / 1080p
16−18
21−24
QHD / 1440p
7−8
10−11
4K / 2160p
−
10−11
low / 720p
45−50
55−60
medium / 1080p
24−27
30−33
The average gaming FPS of Radeon HD 7790 in Forza Horizon 4 is 25% more, than Iris Plus Graphics 655.
low / 768p
75−80
85−90
medium / 768p
65−70
75−80
high / 1080p
24−27
30−35
ultra / 1080p
10−11
12−14
QHD / 1440p
1−2
3−4
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 16% more, than Iris Plus Graphics 655.
high / 1080p
8−9
10−11
ultra / 1080p
6−7
8−9
4K / 2160p
2−3
3−4
low / 720p
24−27
30−35
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7790 in Metro Exodus is 30% more, than Iris Plus Graphics 655.
low / 768p
100−110
110−120
ultra / 1080p
95−100
−
medium / 1080p
100−110
100−110
The average gaming FPS of Radeon HD 7790 in Minecraft is 4% more, than Iris Plus Graphics 655.
high / 1080p
21−24
21−24
ultra / 1080p
16−18
18−20
low / 720p
50−55
55−60
medium / 1080p
21−24
24−27
The average gaming FPS of Radeon HD 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Iris Plus Graphics 655.
high / 1080p
12−14
14−16
ultra / 1080p
9−10
10−11
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−33
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 7790 in Red Dead Redemption 2 is 20% more, than Iris Plus Graphics 655.
low / 768p
45−50
55−60
medium / 768p
27−30
35−40
high / 1080p
16−18
20−22
ultra / 1080p
9−10
10−12
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon HD 7790 in The Witcher 3: Wild Hunt is 22% more, than Iris Plus Graphics 655.
low / 768p
95−100
100−110
medium / 768p
55−60
60−65
ultra / 1080p
30−35
35−40
high / 768p
50−55
55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 8% more, than Iris Plus Graphics 655.
Full Specs
Iris Plus Graphics 655
Radeon HD 7790
Architecture
Gen. 9.5 Kaby Lake
GCN 2.0
Code name
Kaby Lake GT3e
Bonaire
Type
Laptop
Desktop
Release date
1 September 2017
22 March 2013
Pipelines
48
896
Core clock speed
300 MHz
1000 MHz
Boost Clock
1200 MHz
Transistor count
189 million
2,080 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
56.00
Floating-point performance
1,792 gflops
Length
183 mm
Memory bus width
128 Bit
Memory clock speed
6000 MHz
Memory bandwidth
96 GB/s
Shared memory
+
DirectX
12 (12_1)
12 (12_0)
Shader Model
6.4
6.3
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.1.103
1.2.131
Bitcoin / BTC (SHA256)
218 Mh/s
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
Quick Sync
+
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