Iris Plus Graphics 645 vs Radeon HD 6850M
When choosing between Iris Plus Graphics 645 and Radeon HD 6850M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Plus Graphics 645 and Radeon HD 6850M.
Iris Plus Graphics 645 and Radeon HD 6850M are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Radeon HD 6850M 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 6850M here:
Main Specs
Iris Plus Graphics 645
Radeon HD 6850M
Power consumption (TDP)
15 Watt
50 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Memory type
DDR3/DDR4
DDR3, GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
No outputs
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Radeon HD 6850M has 233% more power consumption, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon HD 6850M uses PCIe 2.0 x16 interface.
Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 6850M - with Terascale 2.
Core clock speed of Radeon HD 6850M is 275 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 6850M - 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
2−3
ultra / 1080p
2−3
0−1
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
5−6
3−4
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 16% more, than Radeon HD 6850M.
ultra / 1080p
7−8
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
14−16
medium / 1080p
8−9
6−7
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 37% more, than Radeon HD 6850M.
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 6850M in Call of Duty: Warzone is 6% more, than Iris Plus Graphics 645.
low / 768p
100−110
120−130
medium / 768p
80−85
95−100
ultra / 1080p
35−40
40−45
QHD / 1440p
24−27
−
4K / 2160p
−
10−11
high / 768p
60−65
65−70
The average gaming FPS of Radeon HD 6850M in Counter-Strike: Global Offensive is 16% more, than Iris Plus Graphics 645.
low / 768p
55−60
70−75
ultra / 1080p
12−14
16−18
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6850M in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 645.
low / 768p
65−70
75−80
medium / 768p
45−50
45−50
ultra / 1080p
21−24
21−24
The average gaming FPS of Radeon HD 6850M in Dota 2 is 8% more, than Iris Plus Graphics 645.
high / 1080p
5−6
3−4
ultra / 1080p
5−6
3−4
4K / 2160p
3−4
1−2
low / 720p
12−14
12−14
medium / 1080p
5−6
4−5
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 20% more, than Radeon HD 6850M.
high / 1080p
12−14
10−12
ultra / 1080p
8−9
6−7
QHD / 1440p
−
2−3
low / 720p
45−50
50−55
medium / 1080p
12−14
10−12
Iris Plus Graphics 645 and Radeon HD 6850M have the same average FPS in Fortnite.
high / 1080p
8−9
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
9−10
7−8
The average gaming FPS of Iris Plus Graphics 645 in Forza Horizon 4 is 10% more, than Radeon HD 6850M.
low / 768p
40−45
45−50
medium / 768p
35−40
−
high / 1080p
7−8
5−6
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
Iris Plus Graphics 645 and Radeon HD 6850M have the same average FPS in Grand Theft Auto V.
high / 1080p
3−4
1−2
ultra / 1080p
2−3
0−1
4K / 2160p
0−1
0−1
low / 720p
7−8
5−6
medium / 1080p
4−5
3−4
The average gaming FPS of Iris Plus Graphics 645 in Metro Exodus is 66% more, than Radeon HD 6850M.
low / 768p
85−90
90−95
high / 1080p
80−85
60−65
ultra / 1080p
70−75
−
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 10% more, than Radeon HD 6850M.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
24−27
27−30
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 6850M.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
7−8
6−7
The average gaming FPS of Iris Plus Graphics 645 in Red Dead Redemption 2 is 40% more, than Radeon HD 6850M.
low / 768p
16−18
10−12
medium / 768p
12−14
8−9
high / 1080p
6−7
4−5
ultra / 1080p
5−6
3−4
4K / 2160p
−
0−1
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 66% more, than Radeon HD 6850M.
low / 768p
80−85
75−80
medium / 768p
35−40
40−45
ultra / 1080p
14−16
14−16
high / 768p
30−33
30−35
Iris Plus Graphics 645 and Radeon HD 6850M have the same average FPS in World of Tanks.
Full Specs
Iris Plus Graphics 645
Radeon HD 6850M
Architecture
Gen. 9.5 Coffee Lake
Terascale 2
Code name
Kaby Lake GT3e
Granville Pro/LP
Type
Laptop
Laptop
Release date
10 July 2019
6 January 2011
Pipelines
48
800
Core clock speed
300 MHz
575 / 675 MHz
Boost Clock
1150 MHz
Transistor count
1,040 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
27.00
Floating-point performance
1,080.0 gflops
Memory bus width
128 Bit
Memory clock speed
800 MHz
Memory bandwidth
25.6 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
Laptop size
large
Quick Sync
+
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