GeForce GT 740 vs Iris Plus Graphics 640
In this comparison between GeForce GT 740 and Iris Plus Graphics 640 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 GeForce GT 740 will be the best choice, for others Iris Plus Graphics 640 will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 640 is a Laptop Graphics Card
Note: Iris Plus Graphics 640 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 640 here:
Main Specs
GeForce GT 740
Iris Plus Graphics 640
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
DDR3L/LPDDR3/DDR4
Maximum RAM amount
1 GB
32 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 640.
GeForce GT 740 is connected by PCIe 3.0 x16, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
Iris Plus Graphics 640 has 31 GB more memory, than GeForce GT 740.
GeForce GT 740 is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
GeForce GT 740 is build with Kepler architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GT 740 is 693 MHz higher, than Iris Plus Graphics 640.
GeForce GT 740 is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - 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
6−7
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
16−18
medium / 1080p
8−9
8−9
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
10−11
QHD / 1440p
0−1
0−1
low / 720p
24−27
24−27
medium / 1080p
12−14
12−14
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in Battlefield 5.
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 640 have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
130−140
medium / 768p
110−120
110−120
ultra / 1080p
55−60
50−55
QHD / 1440p
30−33
27−30
4K / 2160p
27−30
27−30
high / 768p
80−85
80−85
The average gaming FPS of GeForce GT 740 in Counter-Strike: Global Offensive is 4% more, than Iris Plus Graphics 640.
low / 768p
55−60
55−60
ultra / 1080p
20−22
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 740 in Cyberpunk 2077 is 2% more, than Iris Plus Graphics 640.
low / 768p
80−85
80−85
medium / 768p
60−65
55−60
ultra / 1080p
35−40
30−35
The average gaming FPS of GeForce GT 740 in Dota 2 is 5% more, than Iris Plus Graphics 640.
high / 1080p
8−9
8−9
ultra / 1080p
8−9
7−8
4K / 2160p
3−4
3−4
low / 720p
20−22
18−20
medium / 1080p
9−10
8−9
The average gaming FPS of GeForce GT 740 in Far Cry 5 is 11% more, than Iris Plus Graphics 640.
high / 1080p
14−16
14−16
ultra / 1080p
10−12
10−11
low / 720p
60−65
60−65
medium / 1080p
24−27
21−24
The average gaming FPS of GeForce GT 740 in Fortnite is 3% more, than Iris Plus Graphics 640.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
10−12
QHD / 1440p
1−2
1−2
low / 720p
27−30
24−27
medium / 1080p
14−16
14−16
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in Forza Horizon 4.
low / 768p
55−60
50−55
medium / 768p
45−50
45−50
high / 1080p
12−14
12−14
ultra / 1080p
6−7
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 740 in Grand Theft Auto V is 6% more, than Iris Plus Graphics 640.
high / 1080p
5−6
4−5
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
6−7
6−7
The average gaming FPS of GeForce GT 740 in Metro Exodus is 16% more, than Iris Plus Graphics 640.
low / 768p
95−100
95−100
high / 1080p
90−95
90−95
ultra / 1080p
80−85
80−85
medium / 1080p
90−95
90−95
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in Minecraft.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
30−35
medium / 1080p
18−20
18−20
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
10−12
10−12
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in Red Dead Redemption 2.
low / 768p
24−27
24−27
medium / 768p
16−18
16−18
high / 1080p
9−10
9−10
ultra / 1080p
6−7
6−7
4K / 2160p
6−7
6−7
GeForce GT 740 and Iris Plus Graphics 640 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
20−22
18−20
high / 768p
35−40
35−40
The average gaming FPS of GeForce GT 740 in World of Tanks is 2% more, than Iris Plus Graphics 640.
Full Specs
GeForce GT 740
Iris Plus Graphics 640
Architecture
Kepler
Gen. 9.5 Kaby Lake
Code name
GK107
Kaby Lake GT3e
Type
Desktop
Laptop
Release date
29 May 2014
3 January 2017
Pipelines
384
48
Core clock speed
993 MHz
300 MHz
Boost Clock
1050 MHz
Transistor count
1,270 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
31.78
52.80
Floating-point performance
762.6 gflops
Length
145 mm
Memory bus width
128 Bit
64/128 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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