Iris Plus Graphics 655 vs Radeon HD 6790
If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 655 and Radeon HD 6790, 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 6790, 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 6790
Power consumption (TDP)
15 Watt
150 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6790 has 900% more power consumption, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is connected by PCIe 3.0 x1, and Radeon HD 6790 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 655 is used in Laptops, and Radeon HD 6790 - in Desktops.
Iris Plus Graphics 655 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Radeon HD 6790 is 540 MHz higher, than Iris Plus Graphics 655.
Iris Plus Graphics 655 is manufactured by 14 nm process technology, and Radeon HD 6790 - 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
12−14
7−8
ultra / 1080p
7−8
4−5
QHD / 1440p
2−3
0−1
low / 720p
27−30
18−20
medium / 1080p
16−18
9−10
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 60% more, than Radeon HD 6790.
high / 1080p
21−24
12−14
ultra / 1080p
18−20
10−12
QHD / 1440p
4−5
0−1
low / 720p
45−50
27−30
medium / 1080p
21−24
14−16
The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 68% more, than Radeon HD 6790.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 655 and Radeon HD 6790 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
140−150
medium / 768p
160−170
120−130
ultra / 1080p
85−90
60−65
QHD / 1440p
45−50
30−35
4K / 2160p
30−33
27−30
high / 768p
120−130
90−95
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 33% more, than Radeon HD 6790.
low / 768p
55−60
55−60
ultra / 1080p
35−40
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 11% more, than Radeon HD 6790.
low / 768p
100−110
85−90
medium / 768p
85−90
65−70
ultra / 1080p
55−60
35−40
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 29% more, than Radeon HD 6790.
high / 1080p
14−16
9−10
ultra / 1080p
14−16
8−9
4K / 2160p
5−6
4−5
low / 720p
30−35
21−24
medium / 1080p
16−18
10−11
The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 54% more, than Radeon HD 6790.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
10−12
QHD / 1440p
16−18
−
low / 720p
85−90
65−70
medium / 1080p
45−50
27−30
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 38% more, than Radeon HD 6790.
high / 1080p
21−24
14−16
ultra / 1080p
16−18
12−14
QHD / 1440p
7−8
2−3
low / 720p
45−50
27−30
medium / 1080p
24−27
16−18
The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 60% more, than Radeon HD 6790.
low / 768p
75−80
55−60
medium / 768p
65−70
50−55
high / 1080p
24−27
14−16
ultra / 1080p
10−11
7−8
QHD / 1440p
1−2
0−1
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 36% more, than Radeon HD 6790.
high / 1080p
8−9
5−6
ultra / 1080p
6−7
4−5
4K / 2160p
2−3
0−1
low / 720p
24−27
14−16
medium / 1080p
10−12
7−8
The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 50% more, than Radeon HD 6790.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
95−100
85−90
medium / 1080p
100−110
95−100
The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 8% more, than Radeon HD 6790.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
14−16
low / 720p
50−55
35−40
medium / 1080p
21−24
18−20
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than Radeon HD 6790.
high / 1080p
12−14
−
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
low / 720p
24−27
14−16
medium / 1080p
14−16
10−12
The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 45% more, than Radeon HD 6790.
low / 768p
45−50
27−30
medium / 768p
27−30
18−20
high / 1080p
16−18
10−11
ultra / 1080p
9−10
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 57% more, than Radeon HD 6790.
low / 768p
95−100
85−90
medium / 768p
55−60
45−50
ultra / 1080p
30−35
21−24
high / 768p
50−55
40−45
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 20% more, than Radeon HD 6790.
Full Specs
Iris Plus Graphics 655
Radeon HD 6790
Architecture
Gen. 9.5 Kaby Lake
Terascale 2
Code name
Kaby Lake GT3e
Barts
Type
Laptop
Desktop
Release date
1 September 2017
4 April 2011
Pipelines
48
800
Core clock speed
300 MHz
840 MHz
Boost Clock
1200 MHz
Transistor count
189 million
1,700 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
33.60
Floating-point performance
1,344.0 gflops
Length
198 mm
Memory bus width
256 Bit
Memory clock speed
1050 MHz
Memory bandwidth
134.4 GB/s
Shared memory
+
DirectX
12 (12_1)
11.2 (11_0)
Shader Model
6.4
5.0
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.1.103
N/A
Bitcoin / BTC (SHA256)
122 Mh/s
Quick Sync
+
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