GeForce GT 740 vs Iris Plus Graphics 645
When comparing GeForce GT 740 and Iris Plus Graphics 645, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 740 and Iris Plus Graphics 645 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
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
GeForce GT 740
Iris Plus Graphics 645
Power consumption (TDP)
64 Watt
15 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
1 GB
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
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GeForce GT 740 has 326% more power consumption, than Iris Plus Graphics 645.
GeForce GT 740 is connected by PCIe 3.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
GeForce GT 740 is used in Desktops, and Iris Plus Graphics 645 - in Laptops.
GeForce GT 740 is build with Kepler architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of GeForce GT 740 is 693 MHz higher, than Iris Plus Graphics 645.
GeForce GT 740 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
16−18
12−14
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce GT 740 in Assassin's Creed Odyssey is 50% more, than Iris Plus Graphics 645.
high / 1080p
12−14
−
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
8−9
The average gaming FPS of GeForce GT 740 in Battlefield 5 is 45% 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 740 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
30−33
24−27
4K / 2160p
27−30
−
high / 768p
80−85
60−65
The average gaming FPS of GeForce GT 740 in Counter-Strike: Global Offensive is 38% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
20−22
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 740 in Cyberpunk 2077 is 7% more, than Iris Plus Graphics 645.
low / 768p
80−85
65−70
medium / 768p
60−65
45−50
ultra / 1080p
35−40
21−24
The average gaming FPS of GeForce GT 740 in Dota 2 is 33% more, than Iris Plus Graphics 645.
high / 1080p
8−9
5−6
ultra / 1080p
8−9
5−6
4K / 2160p
3−4
3−4
low / 720p
20−22
12−14
medium / 1080p
9−10
5−6
The average gaming FPS of GeForce GT 740 in Far Cry 5 is 66% more, than Iris Plus Graphics 645.
high / 1080p
14−16
12−14
ultra / 1080p
10−12
8−9
low / 720p
60−65
45−50
medium / 1080p
24−27
12−14
The average gaming FPS of GeForce GT 740 in Fortnite is 40% more, than Iris Plus Graphics 645.
high / 1080p
12−14
8−9
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
27−30
16−18
medium / 1080p
14−16
9−10
The average gaming FPS of GeForce GT 740 in Forza Horizon 4 is 63% more, than Iris Plus Graphics 645.
low / 768p
55−60
40−45
medium / 768p
45−50
35−40
high / 1080p
12−14
7−8
ultra / 1080p
6−7
5−6
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 740 in Grand Theft Auto V is 34% 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
12−14
7−8
medium / 1080p
6−7
4−5
The average gaming FPS of GeForce GT 740 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
90−95
−
The average gaming FPS of GeForce GT 740 in Minecraft is 12% more, than Iris Plus Graphics 645.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
24−27
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GT 740 in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Iris Plus Graphics 645.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
10−12
−
The average gaming FPS of GeForce GT 740 in Red Dead Redemption 2 is 42% more, than Iris Plus Graphics 645.
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 GeForce GT 740 in The Witcher 3: Wild Hunt is 40% more, than Iris Plus Graphics 645.
low / 768p
85−90
80−85
medium / 768p
45−50
35−40
ultra / 1080p
20−22
14−16
high / 768p
35−40
30−33
The average gaming FPS of GeForce GT 740 in World of Tanks is 17% more, than Iris Plus Graphics 645.
Full Specs
GeForce GT 740
Iris Plus Graphics 645
Architecture
Kepler
Gen. 9.5 Coffee Lake
Code name
GK107
Kaby Lake GT3e
Type
Desktop
Laptop
Release date
29 May 2014
10 July 2019
Pipelines
384
48
Core clock speed
993 MHz
300 MHz
Boost Clock
1150 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
31.78
50.40
Floating-point performance
762.6 gflops
Length
145 mm
Memory bus width
128 Bit
Memory clock speed
5012 MHz
Memory bandwidth
80.19 GB/s
Shared memory
+
DirectX
12 (11_0)
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.1.126
1.1.103
CUDA
3.0
Bitcoin / BTC (SHA256)
25 Mh/s
Quick Sync
+
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