GeForce 840M vs Iris Graphics 5100
In this comparison between GeForce 840M and Iris Graphics 5100 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 840M will be the best choice, for others Iris Graphics 5100 will be their preference. Study the comparison tables below and make your choice.
GeForce 840M and Iris Graphics 5100 are Laptop Graphics Cards
Note: GeForce 840M and Iris Graphics 5100 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 840M or Iris Graphics 5100 here:
Main Specs
GeForce 840M
Iris Graphics 5100
Power consumption (TDP)
33 Watt
30 Watt
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
Display Connectors
No outputs
No outputs
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GeForce 840M has 10% more power consumption, than Iris Graphics 5100.
GeForce 840M is connected by PCIe 3.0 x8, and Iris Graphics 5100 uses PCIe 1.0 x16 interface.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and Iris Graphics 5100 - with Gen. 7.5 Haswell.
Core clock speed of GeForce 840M is 829 MHz higher, than Iris Graphics 5100.
GeForce 840M is manufactured by 28 nm process technology, and Iris Graphics 5100 - by 22 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
3−4
ultra / 1080p
0−1
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
3−4
5−6
The average gaming FPS of Iris Graphics 5100 in Assassin's Creed Odyssey is 33% more, than GeForce 840M.
high / 1080p
−
7−8
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
5−6
8−9
The average gaming FPS of Iris Graphics 5100 in Battlefield 5 is 22% more, than GeForce 840M.
low / 768p
45−50
50−55
high / 1080p
40−45
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Graphics 5100 in Call of Duty: Warzone is 4% more, than GeForce 840M.
low / 768p
120−130
120−130
medium / 768p
90−95
100−110
ultra / 1080p
40−45
45−50
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
18−20
high / 768p
65−70
70−75
The average gaming FPS of Iris Graphics 5100 in Counter-Strike: Global Offensive is 4% more, than GeForce 840M.
low / 768p
85−90
65−70
ultra / 1080p
16−18
21−24
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 8% more, than Iris Graphics 5100.
low / 768p
75−80
75−80
medium / 768p
50−55
50−55
ultra / 1080p
24−27
24−27
GeForce 840M and Iris Graphics 5100 have the same average FPS in Dota 2.
high / 1080p
2−3
4−5
ultra / 1080p
2−3
3−4
4K / 2160p
0−1
2−3
low / 720p
12−14
12−14
medium / 1080p
3−4
5−6
The average gaming FPS of Iris Graphics 5100 in Far Cry 5 is 20% more, than GeForce 840M.
high / 1080p
10−11
10−12
ultra / 1080p
5−6
6−7
QHD / 1440p
2−3
4−5
low / 720p
50−55
55−60
medium / 1080p
10−12
14−16
The average gaming FPS of Iris Graphics 5100 in Fortnite is 12% more, than GeForce 840M.
high / 1080p
4−5
7−8
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
16−18
20−22
medium / 1080p
7−8
9−10
The average gaming FPS of Iris Graphics 5100 in Forza Horizon 4 is 33% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
5−6
6−7
ultra / 1080p
2−3
3−4
QHD / 1440p
0−1
0−1
medium / 720p
35−40
40−45
The average gaming FPS of Iris Graphics 5100 in Grand Theft Auto V is 8% more, than GeForce 840M.
high / 1080p
1−2
2−3
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
5−6
6−7
medium / 1080p
3−4
4−5
The average gaming FPS of Iris Graphics 5100 in Metro Exodus is 33% more, than GeForce 840M.
low / 768p
90−95
90−95
high / 1080p
85−90
80−85
ultra / 1080p
70−75
−
4K / 2160p
−
75−80
medium / 1080p
90−95
−
The average gaming FPS of GeForce 840M in Minecraft is 3% more, than Iris Graphics 5100.
ultra / 1080p
12−14
12−14
low / 720p
27−30
30−35
medium / 1080p
14−16
14−16
The average gaming FPS of Iris Graphics 5100 in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than GeForce 840M.
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
−
low / 720p
6−7
8−9
The average gaming FPS of Iris Graphics 5100 in Red Dead Redemption 2 is 60% more, than GeForce 840M.
low / 768p
12−14
12−14
medium / 768p
9−10
10−11
high / 1080p
4−5
5−6
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
The average gaming FPS of Iris Graphics 5100 in The Witcher 3: Wild Hunt is 14% more, than GeForce 840M.
low / 768p
75−80
75−80
medium / 768p
35−40
40−45
ultra / 1080p
16−18
16−18
high / 768p
30−35
30−35
The average gaming FPS of Iris Graphics 5100 in World of Tanks is 2% more, than GeForce 840M.
Full Specs
GeForce 840M
Iris Graphics 5100
Architecture
Maxwell
Gen. 7.5 Haswell
Code name
N15S-GT
Haswell GT3
Type
Laptop
Laptop
Release date
12 March 2014
5 June 2013
Pipelines
384
40
Core clock speed
1029 MHz
200 MHz
Boost Clock
1124 MHz
1200 MHz
Transistor count
1,300 million
Manufacturing process technology
28 nm
22 nm
Texture fill rate
17.98
48.00
Floating-point performance
863.2 gflops
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
2000 MHz
Memory bandwidth
16.02 GB/s
Shared memory
-
+
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.5
4.3
OpenCL
1.2
1.2
Vulkan
1.1.126
1.1.80
CUDA
+
Bus support
PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
GPU Boost
2.0
GameWorks
+
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