GeForce GT 640M vs Iris Xe Graphics G7
When choosing between GeForce GT 640M and Iris Xe Graphics G7, 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 640M and Iris Xe Graphics G7.
GeForce GT 640M and Iris Xe Graphics G7 are Laptop Graphics Cards
Note: GeForce GT 640M and Iris Xe Graphics G7 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 640M or Iris Xe Graphics G7 here:
Main Specs
GeForce GT 640M
Iris Xe Graphics G7
Power consumption (TDP)
32 Watt
Interface
PCIe 3.0 x16
Memory type
DDR3\GDDR5
DDR4
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
GeForce GT 640M is build with Kepler architecture, and Iris Xe Graphics G7 - with Gen. 11 Ice Lake.
GeForce GT 640M is manufactured by 28 nm process technology, and Iris Xe Graphics G7 - by 10 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
0−1
16−18
ultra / 1080p
0−1
9−10
QHD / 1440p
0−1
3−4
low / 720p
10−12
30−35
medium / 1080p
2−3
20−22
The average gaming FPS of Iris Xe Graphics G7 in Assassin's Creed Odyssey is 333% more, than GeForce GT 640M.
high / 1080p
−
24−27
ultra / 1080p
3−4
21−24
QHD / 1440p
0−1
5−6
low / 720p
12−14
55−60
medium / 1080p
4−5
27−30
The average gaming FPS of Iris Xe Graphics G7 in Battlefield 5 is 414% more, than GeForce GT 640M.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 640M and Iris Xe Graphics G7 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
210−220
medium / 768p
85−90
180−190
ultra / 1080p
35−40
100−110
QHD / 1440p
−
55−60
4K / 2160p
10−11
30−33
high / 768p
55−60
140−150
The average gaming FPS of Iris Xe Graphics G7 in Counter-Strike: Global Offensive is 122% more, than GeForce GT 640M.
low / 768p
70−75
60−65
ultra / 1080p
12−14
40−45
medium / 1080p
45−50
55−60
The average gaming FPS of Iris Xe Graphics G7 in Cyberpunk 2077 is 22% more, than GeForce GT 640M.
low / 768p
70−75
110−120
medium / 768p
40−45
95−100
ultra / 1080p
18−20
65−70
The average gaming FPS of Iris Xe Graphics G7 in Dota 2 is 111% more, than GeForce GT 640M.
high / 1080p
2−3
18−20
ultra / 1080p
2−3
18−20
QHD / 1440p
−
16−18
4K / 2160p
0−1
6−7
low / 720p
9−10
40−45
medium / 1080p
3−4
21−24
The average gaming FPS of Iris Xe Graphics G7 in Far Cry 5 is 525% more, than GeForce GT 640M.
high / 1080p
−
24−27
ultra / 1080p
5−6
20−22
QHD / 1440p
1−2
12−14
low / 720p
45−50
100−110
medium / 1080p
7−8
55−60
The average gaming FPS of Iris Xe Graphics G7 in Fortnite is 226% more, than GeForce GT 640M.
high / 1080p
2−3
27−30
ultra / 1080p
−
21−24
QHD / 1440p
0−1
9−10
low / 720p
14−16
55−60
medium / 1080p
5−6
30−35
The average gaming FPS of Iris Xe Graphics G7 in Forza Horizon 4 is 457% more, than GeForce GT 640M.
low / 768p
40−45
90−95
medium / 768p
−
80−85
high / 1080p
3−4
30−35
ultra / 1080p
2−3
12−14
QHD / 1440p
0−1
3−4
medium / 720p
30−35
−
The average gaming FPS of Iris Xe Graphics G7 in Grand Theft Auto V is 187% more, than GeForce GT 640M.
high / 1080p
1−2
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
1−2
low / 720p
2−3
30−35
medium / 1080p
2−3
14−16
The average gaming FPS of Iris Xe Graphics G7 in Metro Exodus is 850% more, than GeForce GT 640M.
low / 768p
85−90
110−120
high / 1080p
55−60
−
medium / 1080p
−
110−120
The average gaming FPS of Iris Xe Graphics G7 in Minecraft is 32% more, than GeForce GT 640M.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
60−65
medium / 1080p
14−16
18−20
The average gaming FPS of Iris Xe Graphics G7 in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than GeForce GT 640M.
high / 1080p
−
12−14
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
low / 720p
3−4
30−35
medium / 1080p
−
16−18
The average gaming FPS of Iris Xe Graphics G7 in Red Dead Redemption 2 is 566% more, than GeForce GT 640M.
low / 768p
7−8
55−60
medium / 768p
6−7
35−40
high / 1080p
3−4
20−22
ultra / 1080p
−
10−12
4K / 2160p
0−1
6−7
The average gaming FPS of Iris Xe Graphics G7 in The Witcher 3: Wild Hunt is 660% more, than GeForce GT 640M.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
12−14
35−40
high / 768p
27−30
50−55
The average gaming FPS of Iris Xe Graphics G7 in World of Tanks is 64% more, than GeForce GT 640M.
Full Specs
GeForce GT 640M
Iris Xe Graphics G7
Architecture
Kepler
Gen. 11 Ice Lake
Code name
N13P-GS
Tiger Lake Xe
Type
Laptop
Laptop
Release date
22 March 2012
15 August 2020
Pipelines
384
96
Boost Clock
645 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
10 nm
Floating-point performance
480.0 gflops
Memory bus width
128bit
Memory clock speed
1800 - 4000 MHz
Shared memory
-
+
DirectX
12 API
DirectX 12_1
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
18 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
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