Iris Plus Graphics 645 vs Radeon HD 6740G2
Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon HD 6740G2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Iris Plus Graphics 645 and Radeon HD 6740G2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Iris Plus Graphics 645 and Radeon HD 6740G2 are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Radeon HD 6740G2 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 645 or Radeon HD 6740G2 here:
Main Specs
Iris Plus Graphics 645
Radeon HD 6740G2
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3/DDR4
Display Connectors
No outputs
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Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 6740G2 - with Terascale 2.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 6740G2 - 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
4−5
0−1
ultra / 1080p
2−3
0−1
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
5−6
2−3
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 50% more, than Radeon HD 6740G2.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
4−5
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 57% more, than Radeon HD 6740G2.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6740G2 in Call of Duty: Warzone is 6% more, than Iris Plus Graphics 645.
low / 768p
100−110
110−120
medium / 768p
80−85
85−90
ultra / 1080p
35−40
35−40
QHD / 1440p
24−27
−
4K / 2160p
−
10−11
high / 768p
60−65
60−65
The average gaming FPS of Radeon HD 6740G2 in Counter-Strike: Global Offensive is 5% more, than Iris Plus Graphics 645.
low / 768p
55−60
70−75
ultra / 1080p
12−14
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6740G2 in Cyberpunk 2077 is 12% more, than Iris Plus Graphics 645.
low / 768p
65−70
70−75
medium / 768p
45−50
40−45
ultra / 1080p
21−24
18−20
The average gaming FPS of Iris Plus Graphics 645 in Dota 2 is 2% more, than Radeon HD 6740G2.
high / 1080p
5−6
2−3
ultra / 1080p
5−6
2−3
4K / 2160p
3−4
0−1
low / 720p
12−14
9−10
medium / 1080p
5−6
3−4
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 75% more, than Radeon HD 6740G2.
high / 1080p
12−14
−
ultra / 1080p
8−9
5−6
QHD / 1440p
−
1−2
low / 720p
45−50
45−50
medium / 1080p
12−14
7−8
The average gaming FPS of Iris Plus Graphics 645 in Fortnite is 15% more, than Radeon HD 6740G2.
high / 1080p
8−9
2−3
QHD / 1440p
0−1
0−1
low / 720p
16−18
14−16
medium / 1080p
9−10
5−6
The average gaming FPS of Iris Plus Graphics 645 in Forza Horizon 4 is 57% more, than Radeon HD 6740G2.
low / 768p
40−45
40−45
medium / 768p
35−40
−
high / 1080p
7−8
3−4
ultra / 1080p
5−6
2−3
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of Iris Plus Graphics 645 in Grand Theft Auto V is 12% more, than Radeon HD 6740G2.
high / 1080p
3−4
1−2
ultra / 1080p
2−3
0−1
4K / 2160p
0−1
0−1
low / 720p
7−8
2−3
medium / 1080p
4−5
2−3
The average gaming FPS of Iris Plus Graphics 645 in Metro Exodus is 150% more, than Radeon HD 6740G2.
low / 768p
85−90
85−90
high / 1080p
80−85
55−60
ultra / 1080p
70−75
−
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 18% more, than Radeon HD 6740G2.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
24−27
24−27
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 6740G2.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
7−8
4−5
The average gaming FPS of Iris Plus Graphics 645 in Red Dead Redemption 2 is 75% more, than Radeon HD 6740G2.
low / 768p
16−18
7−8
medium / 768p
12−14
6−7
high / 1080p
6−7
3−4
ultra / 1080p
5−6
−
4K / 2160p
−
0−1
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 140% more, than Radeon HD 6740G2.
low / 768p
80−85
70−75
medium / 768p
35−40
35−40
ultra / 1080p
14−16
12−14
high / 768p
30−33
30−33
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 7% more, than Radeon HD 6740G2.
Full Specs
Iris Plus Graphics 645
Radeon HD 6740G2
Architecture
Gen. 9.5 Coffee Lake
Terascale 2
Code name
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
10 July 2019
14 June 2011
Pipelines
48
880
Core clock speed
300 MHz
Boost Clock
1150 MHz
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
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
medium sized
Quick Sync
+
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