Iris Plus Graphics 645 vs Radeon R9 270X
In this comparison between Iris Plus Graphics 645 and Radeon R9 270X 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 645 will be the best choice, for others Radeon R9 270X will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 645 is a Laptop Graphics Card
Note: Iris Plus Graphics 645 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 645 here:
Main Specs
Iris Plus Graphics 645
Radeon R9 270X
Power consumption (TDP)
15 Watt
180 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 270X has 1100% more power consumption, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 270X uses PCIe 3.0 x16 interface.
Iris Plus Graphics 645 is used in Laptops, and Radeon R9 270X - in Desktops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 270X - with GCN.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 270X - 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
24−27
ultra / 1080p
2−3
14−16
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
12−14
45−50
medium / 1080p
5−6
30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 400% more, than Iris Plus Graphics 645.
high / 1080p
−
40−45
ultra / 1080p
7−8
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
10−12
low / 720p
16−18
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 390% more, than Iris Plus Graphics 645.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 270X in Call of Duty: Warzone is 10% more, than Iris Plus Graphics 645.
low / 768p
100−110
240−250
medium / 768p
80−85
210−220
ultra / 1080p
35−40
140−150
QHD / 1440p
24−27
110−120
4K / 2160p
−
60−65
high / 768p
60−65
180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 191% more, than Iris Plus Graphics 645.
low / 768p
55−60
60−65
ultra / 1080p
12−14
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270X in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 645.
low / 768p
65−70
120−130
medium / 768p
45−50
110−120
ultra / 1080p
21−24
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 144% more, than Iris Plus Graphics 645.
high / 1080p
5−6
30−35
ultra / 1080p
5−6
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
10−11
low / 720p
12−14
60−65
medium / 1080p
5−6
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 450% more, than Iris Plus Graphics 645.
high / 1080p
12−14
40−45
ultra / 1080p
8−9
30−35
QHD / 1440p
−
18−20
low / 720p
45−50
140−150
medium / 1080p
12−14
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 280% more, than Iris Plus Graphics 645.
high / 1080p
8−9
40−45
ultra / 1080p
−
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
16−18
low / 720p
16−18
80−85
medium / 1080p
9−10
45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 418% more, than Iris Plus Graphics 645.
low / 768p
40−45
110−120
medium / 768p
35−40
100−110
high / 1080p
7−8
50−55
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 217% more, than Iris Plus Graphics 645.
high / 1080p
3−4
16−18
ultra / 1080p
2−3
12−14
QHD / 1440p
−
12−14
4K / 2160p
0−1
4−5
low / 720p
7−8
45−50
medium / 1080p
4−5
21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 525% more, than Iris Plus Graphics 645.
low / 768p
85−90
120−130
high / 1080p
80−85
−
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 270X in Minecraft is 43% more, than Iris Plus Graphics 645.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
24−27
80−85
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Iris Plus Graphics 645.
high / 1080p
−
18−20
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
7−8
45−50
medium / 1080p
−
24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 328% more, than Iris Plus Graphics 645.
low / 768p
16−18
90−95
medium / 768p
12−14
55−60
high / 1080p
6−7
30−35
ultra / 1080p
5−6
18−20
4K / 2160p
−
10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 400% more, than Iris Plus Graphics 645.
low / 768p
80−85
90−95
medium / 768p
35−40
60−65
ultra / 1080p
14−16
45−50
high / 768p
30−33
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 58% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Radeon R9 270X
Architecture
Gen. 9.5 Coffee Lake
GCN
Code name
Kaby Lake GT3e
Curacao XT
Type
Laptop
Desktop
Release date
10 July 2019
8 October 2013
Pipelines
48
1280
Core clock speed
300 MHz
Boost Clock
1150 MHz
1050 MHz
Transistor count
2,800 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
84.00
Floating-point performance
2,688 gflops
Memory bus width
256 Bit
Memory bandwidth
179.2 GB/s
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.103
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
318 Mh/s
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
30 Mh/s
Zcash / ZEC (Equihash)
163 Sol/s
Quick Sync
+
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
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