GeForce 840M vs Iris Graphics 6100
If you are going to buy a new graphics card and are choosing between GeForce 840M and Iris Graphics 6100, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 840M stacks up against Iris Graphics 6100, check out specs charts below.
GeForce 840M and Iris Graphics 6100 are Laptop Graphics Cards
Note: GeForce 840M and Iris Graphics 6100 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 6100 here:
Main Specs
GeForce 840M
Iris Graphics 6100
Power consumption (TDP)
33 Watt
15 Watt
Interface
PCIe 3.0 x8
PCIe 2.0 x1
Supplementary power connectors
None
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
Display Connectors
No outputs
No outputs
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GeForce 840M has 120% more power consumption, than Iris Graphics 6100.
GeForce 840M is connected by PCIe 3.0 x8, and Iris Graphics 6100 uses PCIe 2.0 x1 interface.
Both cards are used in Laptops.
GeForce 840M is build with Maxwell architecture, and Iris Graphics 6100 - with Gen. 8 Broadwell.
Core clock speed of GeForce 840M is 729 MHz higher, than Iris Graphics 6100.
GeForce 840M is manufactured by 28 nm process technology, and Iris Graphics 6100 - 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
1−2
4−5
ultra / 1080p
0−1
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
3−4
5−6
The average gaming FPS of Iris Graphics 6100 in Assassin's Creed Odyssey is 16% more, than GeForce 840M.
ultra / 1080p
4−5
7−8
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 6100 in Battlefield 5 is 22% more, than GeForce 840M.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Graphics 6100 in Call of Duty: Warzone is 4% more, than GeForce 840M.
low / 768p
120−130
110−120
medium / 768p
90−95
85−90
ultra / 1080p
40−45
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
−
high / 768p
65−70
60−65
The average gaming FPS of GeForce 840M in Counter-Strike: Global Offensive is 6% more, than Iris Graphics 6100.
low / 768p
85−90
55−60
ultra / 1080p
16−18
14−16
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 22% more, than Iris Graphics 6100.
low / 768p
75−80
70−75
medium / 768p
50−55
45−50
ultra / 1080p
24−27
24−27
The average gaming FPS of GeForce 840M in Dota 2 is 6% more, than Iris Graphics 6100.
high / 1080p
2−3
6−7
ultra / 1080p
2−3
5−6
4K / 2160p
0−1
3−4
low / 720p
12−14
12−14
medium / 1080p
3−4
6−7
The average gaming FPS of Iris Graphics 6100 in Far Cry 5 is 40% more, than GeForce 840M.
high / 1080p
10−11
12−14
ultra / 1080p
5−6
8−9
QHD / 1440p
2−3
−
low / 720p
50−55
50−55
medium / 1080p
10−12
14−16
The average gaming FPS of Iris Graphics 6100 in Fortnite is 15% more, than GeForce 840M.
high / 1080p
4−5
9−10
ultra / 1080p
−
9−10
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
7−8
10−11
The average gaming FPS of Iris Graphics 6100 in Forza Horizon 4 is 44% more, than GeForce 840M.
low / 768p
45−50
40−45
medium / 768p
−
35−40
high / 1080p
5−6
8−9
ultra / 1080p
2−3
5−6
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
GeForce 840M and Iris Graphics 6100 have the same average FPS in Grand Theft Auto V.
high / 1080p
1−2
3−4
ultra / 1080p
0−1
2−3
4K / 2160p
0−1
0−1
low / 720p
5−6
8−9
medium / 1080p
3−4
5−6
The average gaming FPS of Iris Graphics 6100 in Metro Exodus is 66% more, than GeForce 840M.
low / 768p
90−95
90−95
high / 1080p
85−90
80−85
ultra / 1080p
70−75
70−75
medium / 1080p
90−95
−
The average gaming FPS of GeForce 840M in Minecraft is 2% more, than Iris Graphics 6100.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
24−27
medium / 1080p
14−16
16−18
The average gaming FPS of Iris Graphics 6100 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce 840M.
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
6−7
8−9
The average gaming FPS of Iris Graphics 6100 in Red Dead Redemption 2 is 60% more, than GeForce 840M.
low / 768p
12−14
18−20
medium / 768p
9−10
12−14
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
−
The average gaming FPS of Iris Graphics 6100 in The Witcher 3: Wild Hunt is 57% more, than GeForce 840M.
low / 768p
75−80
80−85
medium / 768p
35−40
35−40
ultra / 1080p
16−18
14−16
high / 768p
30−35
30−35
GeForce 840M and Iris Graphics 6100 have the same average FPS in World of Tanks.
Full Specs
GeForce 840M
Iris Graphics 6100
Architecture
Maxwell
Gen. 8 Broadwell
Code name
N15S-GT
Broadwell GT3
Type
Laptop
Laptop
Release date
12 March 2014
5 January 2015
Pipelines
384
48
Core clock speed
1029 MHz
300 MHz
Boost Clock
1124 MHz
1100 MHz
Transistor count
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
17.98
52.80
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
4.4
OpenCL
1.2
2.0
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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