GeForce 845M vs Iris Plus Graphics 645
If you are going to buy a new graphics card and are choosing between GeForce 845M and Iris Plus Graphics 645, 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 845M stacks up against Iris Plus Graphics 645, check out specs charts below.
GeForce 845M and Iris Plus Graphics 645 are Laptop Graphics Cards
Note: GeForce 845M and Iris Plus Graphics 645 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 845M or Iris Plus Graphics 645 here:
Main Specs
GeForce 845M
Iris Plus Graphics 645
Power consumption (TDP)
45 Watt
15 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Memory type
DDR3, GDDR5
DDR3/DDR4
Maximum RAM amount
2 GB
Display Connectors
No outputs
No outputs
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GeForce 845M has 200% more power consumption, than Iris Plus Graphics 645.
GeForce 845M is connected by PCIe 3.0 x8, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
Both cards are used in Laptops.
GeForce 845M is build with Maxwell architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of GeForce 845M is 771 MHz higher, than Iris Plus Graphics 645.
GeForce 845M is manufactured by 28 nm process technology, and Iris Plus Graphics 645 - 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
3−4
4−5
ultra / 1080p
1−2
2−3
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
6−7
5−6
GeForce 845M and Iris Plus Graphics 645 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
10−11
−
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
21−24
16−18
medium / 1080p
10−11
8−9
The average gaming FPS of GeForce 845M in Battlefield 5 is 18% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 645 in Call of Duty: Warzone is 4% more, than GeForce 845M.
low / 768p
130−140
100−110
medium / 768p
100−110
80−85
ultra / 1080p
50−55
35−40
QHD / 1440p
24−27
24−27
4K / 2160p
12−14
−
high / 768p
75−80
60−65
The average gaming FPS of GeForce 845M in Counter-Strike: Global Offensive is 27% more, than Iris Plus Graphics 645.
low / 768p
85−90
55−60
ultra / 1080p
21−24
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce 845M in Cyberpunk 2077 is 33% more, than Iris Plus Graphics 645.
low / 768p
75−80
65−70
medium / 768p
50−55
45−50
ultra / 1080p
30−33
21−24
The average gaming FPS of GeForce 845M in Dota 2 is 17% more, than Iris Plus Graphics 645.
high / 1080p
4−5
5−6
ultra / 1080p
4−5
5−6
4K / 2160p
2−3
3−4
low / 720p
14−16
12−14
medium / 1080p
6−7
5−6
GeForce 845M and Iris Plus Graphics 645 have the same average FPS in Far Cry 5.
high / 1080p
6−7
12−14
ultra / 1080p
0−1
8−9
QHD / 1440p
0−1
−
low / 720p
55−60
45−50
medium / 1080p
16−18
12−14
The average gaming FPS of GeForce 845M in Fortnite is 12% more, than Iris Plus Graphics 645.
high / 1080p
9−10
8−9
ultra / 1080p
8−9
−
QHD / 1440p
3−4
0−1
4K / 2160p
3−4
−
low / 720p
21−24
16−18
medium / 1080p
10−12
9−10
The average gaming FPS of GeForce 845M in Forza Horizon 4 is 27% more, than Iris Plus Graphics 645.
low / 768p
50−55
40−45
medium / 768p
−
35−40
high / 1080p
10−11
7−8
ultra / 1080p
4−5
5−6
QHD / 1440p
−
0−1
medium / 720p
40−45
−
The average gaming FPS of GeForce 845M in Grand Theft Auto V is 22% more, than Iris Plus Graphics 645.
high / 1080p
3−4
3−4
ultra / 1080p
1−2
2−3
4K / 2160p
−
0−1
low / 720p
10−11
7−8
medium / 1080p
4−5
4−5
The average gaming FPS of GeForce 845M in Metro Exodus is 25% more, than Iris Plus Graphics 645.
low / 768p
90−95
85−90
high / 1080p
65−70
80−85
ultra / 1080p
−
70−75
medium / 1080p
90−95
−
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 6% more, than GeForce 845M.
high / 1080p
5−6
16−18
ultra / 1080p
1−2
14−16
4K / 2160p
0−1
−
low / 720p
27−30
24−27
medium / 1080p
9−10
16−18
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 63% more, than GeForce 845M.
ultra / 1080p
−
7−8
QHD / 1440p
−
0−1
low / 720p
10−11
7−8
medium / 1080p
8−9
−
The average gaming FPS of GeForce 845M in Red Dead Redemption 2 is 42% more, than Iris Plus Graphics 645.
low / 768p
20−22
16−18
medium / 768p
12−14
12−14
high / 1080p
6−7
6−7
ultra / 1080p
4−5
5−6
4K / 2160p
3−4
−
The average gaming FPS of GeForce 845M in The Witcher 3: Wild Hunt is 10% more, than Iris Plus Graphics 645.
low / 768p
75−80
80−85
medium / 768p
40−45
35−40
ultra / 1080p
16−18
14−16
high / 768p
30−35
30−33
The average gaming FPS of GeForce 845M in World of Tanks is 2% more, than Iris Plus Graphics 645.
Full Specs
GeForce 845M
Iris Plus Graphics 645
Architecture
Maxwell
Gen. 9.5 Coffee Lake
Code name
GM108
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
12 March 2014
10 July 2019
Pipelines
384
48
Core clock speed
1071 MHz
300 MHz
Boost Clock
1150 MHz
1150 MHz
Transistor count
1,870 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
37.63
50.40
Floating-point performance
883.7 gflops
Memory bus width
64/128 Bit
Memory clock speed
2000 - 5000 MHz
Memory bandwidth
40.1 GB/s
Shared memory
-
+
DirectX
12 (11_0)
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.1.126
1.1.103
CUDA
+
Bitcoin / BTC (SHA256)
76 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
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