Iris Plus Graphics 645 vs Radeon R9 M280X
When choosing between Iris Plus Graphics 645 and Radeon R9 M280X, 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 R9 M280X.
Iris Plus Graphics 645 and Radeon R9 M280X are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Radeon R9 M280X 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 R9 M280X here:
Main Specs
Iris Plus Graphics 645
Radeon R9 M280X
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Memory type
DDR3/DDR4
Not Listed
Display Connectors
No outputs
No outputs
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Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M280X - with GCN.
Core clock speed of Radeon R9 M280X is 600 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M280X - 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
4−5
2−3
ultra / 1080p
2−3
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
5−6
4−5
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 20% more, than Radeon R9 M280X.
high / 1080p
−
7−8
ultra / 1080p
7−8
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
8−9
7−8
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 10% more, than Radeon R9 M280X.
low / 768p
45−50
50−55
high / 1080p
45−50
30−35
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 645 in Call of Duty: Warzone is 11% more, than Radeon R9 M280X.
low / 768p
100−110
110−120
medium / 768p
80−85
90−95
ultra / 1080p
35−40
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
−
18−20
high / 768p
60−65
65−70
The average gaming FPS of Radeon R9 M280X in Counter-Strike: Global Offensive is 9% more, than Iris Plus Graphics 645.
low / 768p
55−60
70−75
ultra / 1080p
12−14
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M280X in Cyberpunk 2077 is 20% more, than Iris Plus Graphics 645.
low / 768p
65−70
70−75
medium / 768p
45−50
50−55
ultra / 1080p
21−24
27−30
The average gaming FPS of Radeon R9 M280X in Dota 2 is 13% more, than Iris Plus Graphics 645.
high / 1080p
5−6
3−4
ultra / 1080p
5−6
3−4
4K / 2160p
3−4
2−3
low / 720p
12−14
14−16
medium / 1080p
5−6
4−5
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 20% more, than Radeon R9 M280X.
high / 1080p
12−14
10−12
ultra / 1080p
8−9
5−6
QHD / 1440p
−
2−3
low / 720p
45−50
50−55
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon R9 M280X in Fortnite is 5% more, than Iris Plus Graphics 645.
high / 1080p
8−9
6−7
QHD / 1440p
0−1
4−5
4K / 2160p
−
2−3
low / 720p
16−18
21−24
medium / 1080p
9−10
9−10
The average gaming FPS of Radeon R9 M280X in Forza Horizon 4 is 9% more, than Iris Plus Graphics 645.
low / 768p
40−45
45−50
medium / 768p
35−40
40−45
high / 1080p
7−8
7−8
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M280X in Grand Theft Auto V is 8% more, than Iris Plus Graphics 645.
high / 1080p
3−4
2−3
ultra / 1080p
2−3
0−1
4K / 2160p
0−1
0−1
low / 720p
7−8
8−9
medium / 1080p
4−5
4−5
Iris Plus Graphics 645 and Radeon R9 M280X have the same average FPS in Metro Exodus.
low / 768p
85−90
80−85
high / 1080p
80−85
−
ultra / 1080p
70−75
70−75
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 3% more, than Radeon R9 M280X.
high / 1080p
16−18
−
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 R9 M280X.
ultra / 1080p
7−8
6−7
QHD / 1440p
0−1
−
low / 720p
7−8
8−9
medium / 1080p
−
7−8
Iris Plus Graphics 645 and Radeon R9 M280X have the same average FPS in Red Dead Redemption 2.
low / 768p
16−18
16−18
medium / 768p
12−14
10−12
high / 1080p
6−7
6−7
ultra / 1080p
5−6
4−5
4K / 2160p
−
2−3
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 11% more, than Radeon R9 M280X.
low / 768p
80−85
70−75
medium / 768p
35−40
35−40
ultra / 1080p
14−16
16−18
high / 768p
30−33
30−35
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 5% more, than Radeon R9 M280X.
Full Specs
Iris Plus Graphics 645
Radeon R9 M280X
Architecture
Gen. 9.5 Coffee Lake
GCN
Code name
Kaby Lake GT3e
Saturn XT
Type
Laptop
Laptop
Release date
10 July 2019
1 February 2015
Pipelines
48
896
Core clock speed
300 MHz
900 MHz
Boost Clock
1150 MHz
Transistor count
2,080 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
61.60
Floating-point performance
1,792 gflops
Memory bandwidth
96 GB/s
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
6.3
OpenGL
4.6
4.4
OpenCL
2.1
Not Listed
Vulkan
1.1.103
FreeSync
+
Bus support
Not Listed
Laptop size
large
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Quick Sync
+
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