GeForce GT 640 vs Iris Xe Graphics G7
In this comparison between GeForce GT 640 and Iris Xe Graphics G7 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 Xe Graphics G7 will be their preference. Study the comparison tables below and make your choice.
Iris Xe Graphics G7 is a Laptop Graphics Card
Note: Iris Xe Graphics G7 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 Xe Graphics G7 here:
Main Specs
GeForce GT 640
Iris Xe Graphics G7
Power consumption (TDP)
65 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
DDR4
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GT 640 is used in Desktops, and Iris Xe Graphics G7 - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Iris Xe Graphics G7 - with Gen. 11 Ice Lake.
GeForce GT 640 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
2−3
16−18
ultra / 1080p
1−2
9−10
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−35
medium / 1080p
5−6
20−22
The average gaming FPS of Iris Xe Graphics G7 in Assassin's Creed Odyssey is 233% more, than GeForce GT 640.
high / 1080p
7−8
24−27
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
5−6
low / 720p
20−22
55−60
medium / 1080p
7−8
27−30
The average gaming FPS of Iris Xe Graphics G7 in Battlefield 5 is 230% more, than GeForce GT 640.
low / 768p
50−55
50−55
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Xe Graphics G7 in Call of Duty: Warzone is 11% more, than GeForce GT 640.
low / 768p
110−120
210−220
medium / 768p
90−95
180−190
ultra / 1080p
45−50
100−110
QHD / 1440p
24−27
55−60
4K / 2160p
18−20
30−33
high / 768p
65−70
140−150
The average gaming FPS of Iris Xe Graphics G7 in Counter-Strike: Global Offensive is 101% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
40−45
medium / 1080p
45−50
55−60
The average gaming FPS of Iris Xe Graphics G7 in Cyberpunk 2077 is 14% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
95−100
ultra / 1080p
27−30
65−70
The average gaming FPS of Iris Xe Graphics G7 in Dota 2 is 82% more, than GeForce GT 640.
high / 1080p
3−4
18−20
ultra / 1080p
3−4
18−20
QHD / 1440p
−
16−18
4K / 2160p
2−3
6−7
low / 720p
14−16
40−45
medium / 1080p
4−5
21−24
The average gaming FPS of Iris Xe Graphics G7 in Far Cry 5 is 320% more, than GeForce GT 640.
high / 1080p
10−12
24−27
ultra / 1080p
5−6
20−22
QHD / 1440p
2−3
12−14
low / 720p
50−55
100−110
medium / 1080p
16−18
55−60
The average gaming FPS of Iris Xe Graphics G7 in Fortnite is 158% more, than GeForce GT 640.
high / 1080p
6−7
27−30
ultra / 1080p
−
21−24
QHD / 1440p
4−5
9−10
4K / 2160p
2−3
−
low / 720p
21−24
55−60
medium / 1080p
9−10
30−35
The average gaming FPS of Iris Xe Graphics G7 in Forza Horizon 4 is 220% more, than GeForce GT 640.
low / 768p
45−50
90−95
medium / 768p
−
80−85
high / 1080p
7−8
30−35
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
3−4
medium / 720p
40−45
−
The average gaming FPS of Iris Xe Graphics G7 in Grand Theft Auto V is 142% more, than GeForce GT 640.
high / 1080p
2−3
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
1−2
low / 720p
8−9
30−35
medium / 1080p
4−5
14−16
The average gaming FPS of Iris Xe Graphics G7 in Metro Exodus is 280% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Iris Xe Graphics G7 in Minecraft is 40% more, than GeForce GT 640.
ultra / 1080p
12−14
14−16
low / 720p
27−30
60−65
medium / 1080p
14−16
18−20
The average gaming FPS of Iris Xe Graphics G7 in PLAYERUNKNOWN'S BATTLEGROUNDS is 77% more, than GeForce GT 640.
high / 1080p
6−7
12−14
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
7−8
30−35
medium / 1080p
−
16−18
The average gaming FPS of Iris Xe Graphics G7 in Red Dead Redemption 2 is 200% more, than GeForce GT 640.
low / 768p
14−16
55−60
medium / 768p
10−11
35−40
high / 1080p
5−6
20−22
ultra / 1080p
4−5
10−12
4K / 2160p
0−1
6−7
The average gaming FPS of Iris Xe Graphics G7 in The Witcher 3: Wild Hunt is 287% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
35−40
high / 768p
30−35
50−55
The average gaming FPS of Iris Xe Graphics G7 in World of Tanks is 56% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Iris Xe Graphics G7
Architecture
Kepler
Gen. 11 Ice Lake
Code name
GK107
Tiger Lake Xe
Type
Desktop
Laptop
Release date
5 June 2012
15 August 2020
Pipelines
384
96
Core clock speed
902 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
10 nm
Texture fill rate
28.86
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 GB/s
Shared memory
+
DirectX
12 (11_0)
DirectX 12_1
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Quick Sync
+
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