GeForce GT 645M vs Iris Xe Graphics G7
In this comparison between GeForce GT 645M 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 645M will be the best choice, for others Iris Xe Graphics G7 will be their preference. Study the comparison tables below and make your choice.
GeForce GT 645M and Iris Xe Graphics G7 are Laptop Graphics Cards
Note: GeForce GT 645M 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 645M or Iris Xe Graphics G7 here:
Main Specs
GeForce GT 645M
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
Check Price
Check Price
Both cards are used in Laptops.
GeForce GT 645M is build with Kepler architecture, and Iris Xe Graphics G7 - with Gen. 11 Ice Lake.
GeForce GT 645M 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
1−2
16−18
ultra / 1080p
0−1
9−10
QHD / 1440p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
2−3
20−22
The average gaming FPS of Iris Xe Graphics G7 in Assassin's Creed Odyssey is 360% more, than GeForce GT 645M.
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 645M.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 645M 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
60−65
140−150
The average gaming FPS of Iris Xe Graphics G7 in Counter-Strike: Global Offensive is 119% more, than GeForce GT 645M.
low / 768p
70−75
60−65
ultra / 1080p
14−16
40−45
medium / 1080p
45−50
55−60
The average gaming FPS of Iris Xe Graphics G7 in Cyberpunk 2077 is 20% more, than GeForce GT 645M.
low / 768p
70−75
110−120
medium / 768p
45−50
95−100
ultra / 1080p
18−20
65−70
The average gaming FPS of Iris Xe Graphics G7 in Dota 2 is 102% more, than GeForce GT 645M.
high / 1080p
2−3
18−20
ultra / 1080p
2−3
18−20
QHD / 1440p
−
16−18
4K / 2160p
0−1
6−7
low / 720p
10−11
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 645M.
high / 1080p
−
24−27
ultra / 1080p
5−6
20−22
QHD / 1440p
1−2
12−14
low / 720p
45−50
100−110
medium / 1080p
8−9
55−60
The average gaming FPS of Iris Xe Graphics G7 in Fortnite is 226% more, than GeForce GT 645M.
high / 1080p
3−4
27−30
ultra / 1080p
−
21−24
QHD / 1440p
0−1
9−10
low / 720p
14−16
55−60
medium / 1080p
6−7
30−35
The average gaming FPS of Iris Xe Graphics G7 in Forza Horizon 4 is 387% more, than GeForce GT 645M.
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
35−40
−
The average gaming FPS of Iris Xe Graphics G7 in Grand Theft Auto V is 187% more, than GeForce GT 645M.
high / 1080p
1−2
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
1−2
low / 720p
3−4
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 645M.
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 645M.
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 645M.
high / 1080p
−
12−14
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
low / 720p
4−5
30−35
medium / 1080p
−
16−18
The average gaming FPS of Iris Xe Graphics G7 in Red Dead Redemption 2 is 400% more, than GeForce GT 645M.
low / 768p
8−9
55−60
medium / 768p
7−8
35−40
high / 1080p
3−4
20−22
ultra / 1080p
3−4
10−12
4K / 2160p
0−1
6−7
The average gaming FPS of Iris Xe Graphics G7 in The Witcher 3: Wild Hunt is 520% more, than GeForce GT 645M.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
12−14
35−40
high / 768p
30−33
50−55
The average gaming FPS of Iris Xe Graphics G7 in World of Tanks is 60% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
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
Transistor count
1,270 million
Manufacturing process technology
28 nm
10 nm
Texture fill rate
22.7 billion/sec
Floating-point performance
544.5 gflops
Memory bus width
128bit
Memory clock speed
1800 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)
19 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
Check Price
Check Price
