GeForce GT 755M vs Iris Plus Graphics 645
When choosing between GeForce GT 755M and Iris Plus Graphics 645, 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 GeForce GT 755M and Iris Plus Graphics 645.
GeForce GT 755M and Iris Plus Graphics 645 are Laptop Graphics Cards
Note: GeForce GT 755M and Iris Plus Graphics 645 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 GeForce GT 755M or Iris Plus Graphics 645 here:
Main Specs
GeForce GT 755M
Iris Plus Graphics 645
Power consumption (TDP)
50 Watt
15 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
4 GB
Display Connectors
No outputs
No outputs
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GeForce GT 755M has 233% more power consumption, than Iris Plus Graphics 645.
GeForce GT 755M is connected by PCIe 3.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
Both cards are used in Laptops.
GeForce GT 755M is build with Kepler architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of GeForce GT 755M is 680 MHz higher, than Iris Plus Graphics 645.
GeForce GT 755M is manufactured by 28 nm process technology, and Iris Plus Graphics 645 - by 14 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
7−8
4−5
ultra / 1080p
4−5
2−3
QHD / 1440p
0−1
0−1
low / 720p
18−20
12−14
medium / 1080p
9−10
5−6
The average gaming FPS of GeForce GT 755M in Assassin's Creed Odyssey is 66% more, than Iris Plus Graphics 645.
high / 1080p
12−14
−
ultra / 1080p
10−12
7−8
QHD / 1440p
0−1
0−1
low / 720p
27−30
16−18
medium / 1080p
14−16
8−9
The average gaming FPS of GeForce GT 755M in Battlefield 5 is 63% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 755M and Iris Plus Graphics 645 have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
100−110
medium / 768p
110−120
80−85
ultra / 1080p
55−60
35−40
QHD / 1440p
30−35
24−27
4K / 2160p
27−30
−
high / 768p
85−90
60−65
The average gaming FPS of GeForce GT 755M in Counter-Strike: Global Offensive is 40% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
21−24
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 755M in Cyberpunk 2077 is 7% more, than Iris Plus Graphics 645.
low / 768p
85−90
65−70
medium / 768p
60−65
45−50
ultra / 1080p
35−40
21−24
The average gaming FPS of GeForce GT 755M in Dota 2 is 37% more, than Iris Plus Graphics 645.
high / 1080p
9−10
5−6
ultra / 1080p
8−9
5−6
4K / 2160p
4−5
3−4
low / 720p
21−24
12−14
medium / 1080p
10−11
5−6
The average gaming FPS of GeForce GT 755M in Far Cry 5 is 83% more, than Iris Plus Graphics 645.
high / 1080p
16−18
12−14
ultra / 1080p
10−12
8−9
low / 720p
65−70
45−50
medium / 1080p
24−27
12−14
The average gaming FPS of GeForce GT 755M in Fortnite is 50% more, than Iris Plus Graphics 645.
high / 1080p
12−14
8−9
ultra / 1080p
12−14
−
QHD / 1440p
2−3
0−1
low / 720p
27−30
16−18
medium / 1080p
14−16
9−10
The average gaming FPS of GeForce GT 755M in Forza Horizon 4 is 63% more, than Iris Plus Graphics 645.
low / 768p
55−60
40−45
medium / 768p
50−55
35−40
high / 1080p
14−16
7−8
ultra / 1080p
7−8
5−6
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 755M in Grand Theft Auto V is 43% more, than Iris Plus Graphics 645.
high / 1080p
5−6
3−4
ultra / 1080p
3−4
2−3
4K / 2160p
0−1
0−1
low / 720p
14−16
7−8
medium / 1080p
7−8
4−5
The average gaming FPS of GeForce GT 755M in Metro Exodus is 75% more, than Iris Plus Graphics 645.
low / 768p
95−100
85−90
high / 1080p
90−95
80−85
ultra / 1080p
80−85
70−75
medium / 1080p
95−100
−
The average gaming FPS of GeForce GT 755M in Minecraft is 12% more, than Iris Plus Graphics 645.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
35−40
24−27
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GT 755M in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Iris Plus Graphics 645.
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
low / 720p
14−16
7−8
medium / 1080p
10−12
−
The average gaming FPS of GeForce GT 755M in Red Dead Redemption 2 is 57% more, than Iris Plus Graphics 645.
low / 768p
27−30
16−18
medium / 768p
18−20
12−14
high / 1080p
10−11
6−7
ultra / 1080p
7−8
5−6
4K / 2160p
6−7
−
The average gaming FPS of GeForce GT 755M in The Witcher 3: Wild Hunt is 60% more, than Iris Plus Graphics 645.
low / 768p
85−90
80−85
medium / 768p
45−50
35−40
ultra / 1080p
21−24
14−16
high / 768p
35−40
30−33
The average gaming FPS of GeForce GT 755M in World of Tanks is 17% more, than Iris Plus Graphics 645.
Full Specs
GeForce GT 755M
Iris Plus Graphics 645
Architecture
Kepler
Gen. 9.5 Coffee Lake
Code name
N14P-
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
25 June 2013
10 July 2019
Pipelines
384
48
Core clock speed
980 MHz
300 MHz
Boost Clock
1150 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
31.36
50.40
Floating-point performance
752.6 gflops
Memory bus width
128 Bit
Memory clock speed
5400 MHz
Memory bandwidth
86.4 GB/s
Shared memory
-
+
DirectX
12 API
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.5
4.6
OpenCL
1.1
2.1
Vulkan
1.1.126
1.1.103
CUDA
+
Bus support
PCI Express 3.0, PCI Express 2.0
HDMI
+
Bitcoin / BTC (SHA256)
27 Mh/s
Laptop size
medium sized
Standard memory configuration
GDDR5
eDP 1.2 signal support
Up to 3840x2160
LVDS signal support
Up to 1920x1200
DisplayPort Multimode (DP++) support
Up to 3840x2160
HDCP content protection
+
7.1 channel HD audio on HDMI
+
TrueHD and DTS-HD audio bitstreaming
+
H.264, VC1, MPEG2 1080p video decoder
+
Optimus
+
Quick Sync
+
Blu-Ray 3D Support
+
3D Vision / 3DTV Play
+
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