GeForce 940M vs Iris Pro Graphics P580
In this comparison between GeForce 940M and Iris Pro Graphics P580 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 940M will be the best choice, for others Iris Pro Graphics P580 will be their preference. Study the comparison tables below and make your choice.
GeForce 940M and Iris Pro Graphics P580 are Laptop Graphics Cards
Note: GeForce 940M and Iris Pro Graphics P580 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 940M or Iris Pro Graphics P580 here:
Main Specs
GeForce 940M
Iris Pro Graphics P580
Power consumption (TDP)
75 Watt
15 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Memory type
DDR3
DDR3L/LPDDR3/DDR4
Maximum RAM amount
4 GB
64 GB
Display Connectors
No outputs
No outputs
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GeForce 940M has 400% more power consumption, than Iris Pro Graphics P580.
GeForce 940M is connected by PCIe 3.0 x8, and Iris Pro Graphics P580 uses PCIe 3.0 x1 interface.
Iris Pro Graphics P580 has 60 GB more memory, than GeForce 940M.
Both cards are used in Laptops.
GeForce 940M is build with Maxwell architecture, and Iris Pro Graphics P580 - with Gen. 9 Skylake.
Core clock speed of GeForce 940M is 722 MHz higher, than Iris Pro Graphics P580.
GeForce 940M is manufactured by 28 nm process technology, and Iris Pro Graphics P580 - 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
10−11
ultra / 1080p
1−2
6−7
QHD / 1440p
0−1
0−1
low / 720p
12−14
21−24
medium / 1080p
4−5
12−14
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 160% more, than GeForce 940M.
high / 1080p
6−7
16−18
ultra / 1080p
4−5
14−16
QHD / 1440p
0−1
0−1
low / 720p
16−18
35−40
medium / 1080p
6−7
18−20
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 175% more, than GeForce 940M.
low / 768p
50−55
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce 940M in Call of Duty: Warzone is 10% more, than Iris Pro Graphics P580.
low / 768p
120−130
170−180
medium / 768p
90−95
140−150
ultra / 1080p
40−45
70−75
QHD / 1440p
24−27
40−45
4K / 2160p
18−20
30−33
high / 768p
65−70
100−110
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 53% more, than GeForce 940M.
low / 768p
70−75
55−60
ultra / 1080p
18−20
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce 940M in Cyberpunk 2077 is 4% more, than Iris Pro Graphics P580.
low / 768p
70−75
90−95
medium / 768p
50−55
75−80
ultra / 1080p
24−27
45−50
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 44% more, than GeForce 940M.
high / 1080p
3−4
10−12
ultra / 1080p
3−4
10−12
4K / 2160p
2−3
4−5
low / 720p
12−14
27−30
medium / 1080p
4−5
12−14
The average gaming FPS of Iris Pro Graphics P580 in Far Cry 5 is 160% more, than GeForce 940M.
high / 1080p
10−11
18−20
ultra / 1080p
5−6
12−14
QHD / 1440p
2−3
−
low / 720p
50−55
75−80
medium / 1080p
12−14
35−40
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 80% more, than GeForce 940M.
high / 1080p
7−8
16−18
ultra / 1080p
6−7
14−16
QHD / 1440p
2−3
4−5
low / 720p
20−22
35−40
medium / 1080p
9−10
18−20
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 100% more, than GeForce 940M.
low / 768p
45−50
65−70
medium / 768p
35−40
55−60
high / 1080p
6−7
18−20
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Pro Graphics P580 in Grand Theft Auto V is 65% more, than GeForce 940M.
high / 1080p
1−2
6−7
ultra / 1080p
0−1
5−6
4K / 2160p
0−1
1−2
low / 720p
6−7
18−20
medium / 1080p
3−4
9−10
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 266% more, than GeForce 940M.
low / 768p
90−95
100−110
high / 1080p
85−90
−
ultra / 1080p
75−80
90−95
medium / 1080p
90−95
95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 12% more, than GeForce 940M.
high / 1080p
14−16
18−20
ultra / 1080p
12−14
14−16
low / 720p
24−27
40−45
medium / 1080p
16−18
20−22
The average gaming FPS of Iris Pro Graphics P580 in PLAYERUNKNOWN'S BATTLEGROUNDS is 41% more, than GeForce 940M.
high / 1080p
−
12−14
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
5−6
18−20
medium / 1080p
−
12−14
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 160% more, than GeForce 940M.
low / 768p
14−16
35−40
medium / 768p
10−11
21−24
high / 1080p
5−6
12−14
ultra / 1080p
4−5
8−9
4K / 2160p
1−2
7−8
The average gaming FPS of Iris Pro Graphics P580 in The Witcher 3: Wild Hunt is 142% more, than GeForce 940M.
low / 768p
75−80
90−95
medium / 768p
40−45
50−55
ultra / 1080p
14−16
24−27
high / 768p
30−35
40−45
The average gaming FPS of Iris Pro Graphics P580 in World of Tanks is 29% more, than GeForce 940M.
Full Specs
GeForce 940M
Iris Pro Graphics P580
Architecture
Maxwell
Gen. 9 Skylake
Code name
N16S-GT-S/B
Skylake GT4e
Type
Laptop
Laptop
Release date
12 March 2015
1 September 2015
Pipelines
384
72
Core clock speed
1072 MHz
350 MHz
Boost Clock
1176 MHz
1100 MHz
Transistor count
1,870 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
28.22
75.60
Floating-point performance
903.2 gflops
Memory bus width
64 Bit
Memory clock speed
2000 MHz
Memory bandwidth
14.4 GB/s
Shared memory
-
+
DirectX
12 (11_0)
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.5
4.6
OpenCL
1.2
2.1
Vulkan
1.1.126
1.1.97
CUDA
+
Bus support
PCI Express 3.0
Bitcoin / BTC (SHA256)
101 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
GPU Boost
2.0
GameWorks
+
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