GeForce GTX 680MX vs Iris Plus Graphics 655
If you are going to buy a new graphics card and are choosing between GeForce GTX 680MX and Iris Plus Graphics 655, 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 GTX 680MX stacks up against Iris Plus Graphics 655, check out specs charts below.
GeForce GTX 680MX and Iris Plus Graphics 655 are Laptop Graphics Cards
Note: GeForce GTX 680MX and Iris Plus Graphics 655 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 GTX 680MX or Iris Plus Graphics 655 here:
Main Specs
GeForce GTX 680MX
Iris Plus Graphics 655
Power consumption (TDP)
122 Watt
15 Watt
Interface
PCIe 3.0 x1
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
2 GB
Display Connectors
No outputs
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GeForce GTX 680MX has 713% more power consumption, than Iris Plus Graphics 655.
Both cards are used in Laptops.
GeForce GTX 680MX is build with Kepler architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GTX 680MX is 420 MHz higher, than Iris Plus Graphics 655.
GeForce GTX 680MX is manufactured by 28 nm process technology, and Iris Plus Graphics 655 - 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
21−24
12−14
ultra / 1080p
12−14
7−8
QHD / 1440p
7−8
2−3
4K / 2160p
5−6
−
low / 720p
40−45
27−30
medium / 1080p
27−30
16−18
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 69% more, than Iris Plus Graphics 655.
high / 1080p
35−40
21−24
ultra / 1080p
30−33
18−20
QHD / 1440p
14−16
4−5
4K / 2160p
9−10
−
low / 720p
70−75
45−50
medium / 1080p
40−45
21−24
The average gaming FPS of GeForce GTX 680MX in Battlefield 5 is 69% more, than Iris Plus Graphics 655.
low / 768p
50−55
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 680MX in Call of Duty: Warzone is 10% more, than Iris Plus Graphics 655.
low / 768p
230−240
190−200
medium / 768p
200−210
160−170
ultra / 1080p
120−130
85−90
QHD / 1440p
100−110
45−50
4K / 2160p
55−60
30−33
high / 768p
170−180
120−130
The average gaming FPS of GeForce GTX 680MX in Counter-Strike: Global Offensive is 38% more, than Iris Plus Graphics 655.
low / 768p
60−65
55−60
ultra / 1080p
50−55
35−40
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 680MX in Cyberpunk 2077 is 21% more, than Iris Plus Graphics 655.
low / 768p
120−130
100−110
medium / 768p
110−120
85−90
ultra / 1080p
80−85
55−60
The average gaming FPS of GeForce GTX 680MX in Dota 2 is 28% more, than Iris Plus Graphics 655.
high / 1080p
27−30
14−16
ultra / 1080p
24−27
14−16
QHD / 1440p
20−22
−
4K / 2160p
8−9
5−6
low / 720p
55−60
30−35
medium / 1080p
27−30
16−18
The average gaming FPS of GeForce GTX 680MX in Far Cry 5 is 70% more, than Iris Plus Graphics 655.
high / 1080p
35−40
21−24
ultra / 1080p
27−30
16−18
QHD / 1440p
16−18
16−18
low / 720p
130−140
85−90
medium / 1080p
75−80
45−50
The average gaming FPS of GeForce GTX 680MX in Fortnite is 55% more, than Iris Plus Graphics 655.
high / 1080p
35−40
21−24
ultra / 1080p
27−30
16−18
QHD / 1440p
16−18
7−8
4K / 2160p
14−16
−
low / 720p
70−75
45−50
medium / 1080p
40−45
24−27
The average gaming FPS of GeForce GTX 680MX in Forza Horizon 4 is 62% more, than Iris Plus Graphics 655.
low / 768p
100−110
75−80
medium / 768p
95−100
65−70
high / 1080p
40−45
24−27
ultra / 1080p
18−20
10−11
QHD / 1440p
8−9
1−2
The average gaming FPS of GeForce GTX 680MX in Grand Theft Auto V is 50% more, than Iris Plus Graphics 655.
high / 1080p
14−16
8−9
ultra / 1080p
10−12
6−7
QHD / 1440p
10−12
−
4K / 2160p
3−4
2−3
low / 720p
40−45
24−27
medium / 1080p
18−20
10−12
The average gaming FPS of GeForce GTX 680MX in Metro Exodus is 80% more, than Iris Plus Graphics 655.
low / 768p
120−130
100−110
ultra / 1080p
−
95−100
medium / 1080p
110−120
100−110
The average gaming FPS of GeForce GTX 680MX in Minecraft is 14% more, than Iris Plus Graphics 655.
high / 1080p
−
21−24
ultra / 1080p
14−16
16−18
low / 720p
75−80
50−55
medium / 1080p
18−20
21−24
The average gaming FPS of GeForce GTX 680MX in PLAYERUNKNOWN'S BATTLEGROUNDS is 23% more, than Iris Plus Graphics 655.
high / 1080p
16−18
12−14
ultra / 1080p
10−12
9−10
QHD / 1440p
2−3
0−1
4K / 2160p
2−3
−
low / 720p
40−45
24−27
medium / 1080p
21−24
14−16
The average gaming FPS of GeForce GTX 680MX in Red Dead Redemption 2 is 53% more, than Iris Plus Graphics 655.
low / 768p
80−85
45−50
medium / 768p
50−55
27−30
high / 1080p
27−30
16−18
ultra / 1080p
14−16
9−10
4K / 2160p
9−10
7−8
The average gaming FPS of GeForce GTX 680MX in The Witcher 3: Wild Hunt is 68% more, than Iris Plus Graphics 655.
low / 768p
90−95
95−100
medium / 768p
60−65
55−60
ultra / 1080p
40−45
30−35
high / 768p
55−60
50−55
The average gaming FPS of GeForce GTX 680MX in World of Tanks is 5% more, than Iris Plus Graphics 655.
Full Specs
GeForce GTX 680MX
Iris Plus Graphics 655
Architecture
Kepler
Gen. 9.5 Kaby Lake
Code name
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
23 October 2012
1 September 2017
Pipelines
1536
48
Core clock speed
720 MHz
300 MHz
Boost Clock
1200 MHz
Transistor count
3540 Million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
92.2 billion/sec
50.40
Memory bus width
256 Bit
Memory clock speed
2500 MHz
Memory bandwidth
160 GB/s
Shared memory
-
+
DirectX
12 API
12 (12_1)
Shader Model
6.4
OpenGL
4.5
4.6
OpenCL
1.1
2.1
Vulkan
1.1.103
CUDA
+
CUDA cores
1536
Bus support
PCI Express 3.0
SLI options
+
3D Vision
+
Bitcoin / BTC (SHA256)
57 Mh/s
Laptop size
large
Optimus
+
Quick Sync
+
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