Iris Plus Graphics 640 vs Radeon R9 M275
In this comparison between Iris Plus Graphics 640 and Radeon R9 M275 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Plus Graphics 640 will be the best choice, for others Radeon R9 M275 will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 640 and Radeon R9 M275 are Laptop Graphics Cards
Note: Iris Plus Graphics 640 and Radeon R9 M275 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 640 or Radeon R9 M275 here:
Main Specs
Iris Plus Graphics 640
Radeon R9 M275
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
4 GB
Display Connectors
No outputs
No outputs
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Iris Plus Graphics 640 is connected by PCIe 3.0 x1, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
Iris Plus Graphics 640 has 28 GB more memory, than Radeon R9 M275.
Both cards are used in Laptops.
Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and Radeon R9 M275 - with GCN.
Core clock speed of Radeon R9 M275 is 625 MHz higher, than Iris Plus Graphics 640.
Iris Plus Graphics 640 is manufactured by 14 nm process technology, and Radeon R9 M275 - 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
6−7
0−1
ultra / 1080p
4−5
−
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
3−4
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 50% more, than Radeon R9 M275.
high / 1080p
12−14
5−6
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
5−6
The average gaming FPS of Iris Plus Graphics 640 in Battlefield 5 is 87% more, than Radeon R9 M275.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
medium / 1080p
−
50−55
The average gaming FPS of Radeon R9 M275 in Call of Duty: Warzone is 6% more, than Iris Plus Graphics 640.
low / 768p
130−140
110−120
medium / 768p
110−120
90−95
ultra / 1080p
50−55
40−45
QHD / 1440p
27−30
24−27
4K / 2160p
27−30
18−20
high / 768p
80−85
65−70
The average gaming FPS of Iris Plus Graphics 640 in Counter-Strike: Global Offensive is 21% more, than Radeon R9 M275.
low / 768p
55−60
60−65
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
50−55
The average gaming FPS of Radeon R9 M275 in Cyberpunk 2077 is 7% more, than Iris Plus Graphics 640.
low / 768p
80−85
70−75
medium / 768p
55−60
50−55
ultra / 1080p
30−35
24−27
The average gaming FPS of Iris Plus Graphics 640 in Dota 2 is 14% more, than Radeon R9 M275.
high / 1080p
8−9
1−2
ultra / 1080p
7−8
−
4K / 2160p
3−4
0−1
low / 720p
18−20
10−12
medium / 1080p
8−9
3−4
The average gaming FPS of Iris Plus Graphics 640 in Far Cry 5 is 140% more, than Radeon R9 M275.
high / 1080p
14−16
9−10
ultra / 1080p
10−11
5−6
QHD / 1440p
−
1−2
low / 720p
60−65
50−55
medium / 1080p
21−24
12−14
The average gaming FPS of Iris Plus Graphics 640 in Fortnite is 35% more, than Radeon R9 M275.
high / 1080p
12−14
6−7
ultra / 1080p
10−12
4−5
QHD / 1440p
1−2
0−1
low / 720p
24−27
18−20
medium / 1080p
14−16
7−8
The average gaming FPS of Iris Plus Graphics 640 in Forza Horizon 4 is 77% more, than Radeon R9 M275.
low / 768p
50−55
45−50
medium / 768p
45−50
−
high / 1080p
12−14
7−8
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
medium / 720p
−
35−40
The average gaming FPS of Iris Plus Graphics 640 in Grand Theft Auto V is 26% more, than Radeon R9 M275.
high / 1080p
4−5
3−4
ultra / 1080p
3−4
1−2
4K / 2160p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
6−7
4−5
The average gaming FPS of Iris Plus Graphics 640 in Metro Exodus is 50% more, than Radeon R9 M275.
low / 768p
95−100
85−90
high / 1080p
90−95
70−75
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Iris Plus Graphics 640 in Minecraft is 18% more, than Radeon R9 M275.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
30−35
24−27
medium / 1080p
18−20
14−16
The average gaming FPS of Iris Plus Graphics 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than Radeon R9 M275.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
8−9
medium / 1080p
10−12
−
The average gaming FPS of Iris Plus Graphics 640 in Red Dead Redemption 2 is 25% more, than Radeon R9 M275.
low / 768p
24−27
16−18
medium / 768p
16−18
12−14
high / 1080p
9−10
6−7
ultra / 1080p
6−7
5−6
4K / 2160p
6−7
−
The average gaming FPS of Iris Plus Graphics 640 in The Witcher 3: Wild Hunt is 40% more, than Radeon R9 M275.
low / 768p
85−90
85−90
medium / 768p
45−50
35−40
ultra / 1080p
18−20
14−16
high / 768p
35−40
30−33
The average gaming FPS of Iris Plus Graphics 640 in World of Tanks is 11% more, than Radeon R9 M275.
Full Specs
Iris Plus Graphics 640
Radeon R9 M275
Architecture
Gen. 9.5 Kaby Lake
GCN
Code name
Kaby Lake GT3e
Venus
Type
Laptop
Laptop
Release date
3 January 2017
1 August 2014
Pipelines
48
640
Core clock speed
300 MHz
925 MHz
Boost Clock
1050 MHz
925 MHz
Transistor count
189 million
1,500 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
52.80
37.00
Floating-point performance
1,184 gflops
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
4500 MHz
Memory bandwidth
64 GB/s
Shared memory
+
-
DirectX
12 (12_1)
12 (11_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.103
1.2.131
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
Quick Sync
+
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