GeForce GT 640 vs Iris Plus Graphics 640
In this comparison between GeForce GT 640 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 640 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 640
Iris Plus Graphics 640
Power consumption (TDP)
65 Watt
15 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
None
Memory type
DDR3
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GeForce GT 640 has 333% more power consumption, than Iris Plus Graphics 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
Iris Plus Graphics 640 has 30 GB more memory, than GeForce GT 640.
GeForce GT 640 is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GT 640 is 602 MHz higher, than Iris Plus Graphics 640.
GeForce GT 640 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
2−3
6−7
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
16−18
medium / 1080p
5−6
8−9
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 50% more, than GeForce GT 640.
high / 1080p
7−8
12−14
ultra / 1080p
5−6
10−11
QHD / 1440p
0−1
0−1
low / 720p
20−22
24−27
medium / 1080p
7−8
12−14
The average gaming FPS of Iris Plus Graphics 640 in Battlefield 5 is 50% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 640 in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
130−140
medium / 768p
90−95
110−120
ultra / 1080p
45−50
50−55
QHD / 1440p
24−27
27−30
4K / 2160p
18−20
27−30
high / 768p
65−70
80−85
The average gaming FPS of Iris Plus Graphics 640 in Counter-Strike: Global Offensive is 19% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 14% more, than Iris Plus Graphics 640.
low / 768p
70−75
80−85
medium / 768p
50−55
55−60
ultra / 1080p
27−30
30−35
The average gaming FPS of Iris Plus Graphics 640 in Dota 2 is 11% more, than GeForce GT 640.
high / 1080p
3−4
8−9
ultra / 1080p
3−4
7−8
4K / 2160p
2−3
3−4
low / 720p
14−16
18−20
medium / 1080p
4−5
8−9
The average gaming FPS of Iris Plus Graphics 640 in Far Cry 5 is 80% more, than GeForce GT 640.
high / 1080p
10−12
14−16
ultra / 1080p
5−6
10−11
QHD / 1440p
2−3
−
low / 720p
50−55
60−65
medium / 1080p
16−18
21−24
The average gaming FPS of Iris Plus Graphics 640 in Fortnite is 28% more, than GeForce GT 640.
high / 1080p
6−7
12−14
ultra / 1080p
−
10−12
QHD / 1440p
4−5
1−2
4K / 2160p
2−3
−
low / 720p
21−24
24−27
medium / 1080p
9−10
14−16
The average gaming FPS of Iris Plus Graphics 640 in Forza Horizon 4 is 30% more, than GeForce GT 640.
low / 768p
45−50
50−55
medium / 768p
−
45−50
high / 1080p
7−8
12−14
ultra / 1080p
3−4
6−7
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Iris Plus Graphics 640 in Grand Theft Auto V is 26% more, than GeForce GT 640.
high / 1080p
2−3
4−5
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
8−9
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Iris Plus Graphics 640 in Metro Exodus is 60% more, than GeForce GT 640.
low / 768p
80−85
95−100
high / 1080p
−
90−95
ultra / 1080p
70−75
80−85
medium / 1080p
−
90−95
The average gaming FPS of Iris Plus Graphics 640 in Minecraft is 16% more, than GeForce GT 640.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Iris Plus Graphics 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than GeForce GT 640.
high / 1080p
6−7
−
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
7−8
12−14
medium / 1080p
−
10−12
The average gaming FPS of Iris Plus Graphics 640 in Red Dead Redemption 2 is 66% more, than GeForce GT 640.
low / 768p
14−16
24−27
medium / 768p
10−11
16−18
high / 1080p
5−6
9−10
ultra / 1080p
4−5
6−7
4K / 2160p
0−1
6−7
The average gaming FPS of Iris Plus Graphics 640 in The Witcher 3: Wild Hunt is 75% more, than GeForce GT 640.
low / 768p
70−75
85−90
medium / 768p
35−40
45−50
ultra / 1080p
16−18
18−20
high / 768p
30−35
35−40
The average gaming FPS of Iris Plus Graphics 640 in World of Tanks is 20% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Iris Plus Graphics 640
Architecture
Kepler
Gen. 9.5 Kaby Lake
Code name
GK107
Kaby Lake GT3e
Type
Desktop
Laptop
Release date
5 June 2012
3 January 2017
Pipelines
384
48
Core clock speed
902 MHz
300 MHz
Boost Clock
1050 MHz
Transistor count
1,270 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
28.86
52.80
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 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)
24 Mh/s
Quick Sync
+
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