GeForce 940MX vs Iris Pro Graphics P580
When choosing between GeForce 940MX and Iris Pro Graphics P580, 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 940MX and Iris Pro Graphics P580.
GeForce 940MX and Iris Pro Graphics P580 are Laptop Graphics Cards
Note: GeForce 940MX 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 940MX or Iris Pro Graphics P580 here:
Main Specs
GeForce 940MX
Iris Pro Graphics P580
Power consumption (TDP)
23 Watt
15 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Supplementary power connectors
None
Memory type
DDR3, GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
4 GB
64 GB
Display Connectors
No outputs
No outputs
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GeForce 940MX has 53% more power consumption, than Iris Pro Graphics P580.
GeForce 940MX 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 940MX.
Both cards are used in Laptops.
GeForce 940MX is build with Maxwell architecture, and Iris Pro Graphics P580 - with Gen. 9 Skylake.
Core clock speed of GeForce 940MX is 772 MHz higher, than Iris Pro Graphics P580.
GeForce 940MX 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
7−8
10−11
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
12−14
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 44% more, than GeForce 940MX.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
0−1
low / 720p
24−27
35−40
medium / 1080p
12−14
18−20
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 46% more, than GeForce 940MX.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
GeForce 940MX and Iris Pro Graphics P580 have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
170−180
medium / 768p
110−120
140−150
ultra / 1080p
55−60
70−75
QHD / 1440p
30−33
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
100−110
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 25% more, than GeForce 940MX.
low / 768p
55−60
55−60
ultra / 1080p
20−22
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Pro Graphics P580 in Cyberpunk 2077 is 4% more, than GeForce 940MX.
low / 768p
80−85
90−95
medium / 768p
60−65
75−80
ultra / 1080p
35−40
45−50
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 20% more, than GeForce 940MX.
high / 1080p
8−9
10−12
ultra / 1080p
8−9
10−12
4K / 2160p
3−4
4−5
low / 720p
18−20
27−30
medium / 1080p
9−10
12−14
The average gaming FPS of Iris Pro Graphics P580 in Far Cry 5 is 44% more, than GeForce 940MX.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
75−80
medium / 1080p
24−27
35−40
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 28% more, than GeForce 940MX.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
4−5
low / 720p
27−30
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 38% more, than GeForce 940MX.
low / 768p
50−55
65−70
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Pro Graphics P580 in Grand Theft Auto V is 31% more, than GeForce 940MX.
high / 1080p
5−6
6−7
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
9−10
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 42% more, than GeForce 940MX.
low / 768p
95−100
100−110
high / 1080p
90−95
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 8% more, than GeForce 940MX.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
20−22
The average gaming FPS of Iris Pro Graphics P580 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% more, than GeForce 940MX.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
18−20
medium / 1080p
10−12
12−14
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 30% more, than GeForce 940MX.
low / 768p
24−27
35−40
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Iris Pro Graphics P580 in The Witcher 3: Wild Hunt is 30% more, than GeForce 940MX.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
20−22
24−27
high / 768p
35−40
40−45
The average gaming FPS of Iris Pro Graphics P580 in World of Tanks is 10% more, than GeForce 940MX.
Full Specs
GeForce 940MX
Iris Pro Graphics P580
Architecture
Maxwell
Gen. 9 Skylake
Code name
N16S-GTR-B/S
Skylake GT4e
Type
Laptop
Laptop
Release date
10 March 2016
1 September 2015
Pipelines
384
72
Core clock speed
1122 MHz
350 MHz
Boost Clock
1242 MHz
1100 MHz
Transistor count
1,870 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
23.83
75.60
Floating-point performance
762.6 gflops
Memory bus width
64 Bit
Memory clock speed
4000 MHz
Memory bandwidth
40.1 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
1.1.97
CUDA
+
Bus support
PCI Express 3.0
Bitcoin / BTC (SHA256)
102 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
GPU Boost
2.0
GameWorks
+
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