GeForce 945M vs Iris Pro Graphics 580
If you are going to buy a new graphics card and are choosing between GeForce 945M and Iris Pro Graphics 580, 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 945M stacks up against Iris Pro Graphics 580, check out specs charts below.
GeForce 945M and Iris Pro Graphics 580 are Laptop Graphics Cards
Note: GeForce 945M and Iris Pro Graphics 580 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 945M or Iris Pro Graphics 580 here:
Main Specs
GeForce 945M
Iris Pro Graphics 580
Power consumption (TDP)
75 Watt
15 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
Memory type
DDR3
DDR3L/LPDDR3/DDR4
Maximum RAM amount
4 GB
64 GB
Display Connectors
No outputs
No outputs
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GeForce 945M has 400% more power consumption, than Iris Pro Graphics 580.
GeForce 945M is connected by MXM-B (3.0), and Iris Pro Graphics 580 uses PCIe 3.0 x1 interface.
Iris Pro Graphics 580 has 60 GB more memory, than GeForce 945M.
Both cards are used in Laptops.
GeForce 945M is build with Maxwell architecture, and Iris Pro Graphics 580 - with Gen. 9 Skylake.
Core clock speed of GeForce 945M is 578 MHz higher, than Iris Pro Graphics 580.
GeForce 945M is manufactured by 28 nm process technology, and Iris Pro Graphics 580 - 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
10−11
9−10
ultra / 1080p
6−7
5−6
QHD / 1440p
1−2
0−1
low / 720p
24−27
20−22
medium / 1080p
12−14
10−12
The average gaming FPS of GeForce 945M in Assassin's Creed Odyssey is 18% more, than Iris Pro Graphics 580.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
1−2
0−1
low / 720p
35−40
30−35
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce 945M in Battlefield 5 is 15% more, than Iris Pro Graphics 580.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
GeForce 945M and Iris Pro Graphics 580 have the same average FPS in Call of Duty: Warzone.
low / 768p
170−180
150−160
medium / 768p
140−150
130−140
ultra / 1080p
75−80
65−70
QHD / 1440p
40−45
35−40
4K / 2160p
30−33
27−30
high / 768p
110−120
95−100
The average gaming FPS of GeForce 945M in Counter-Strike: Global Offensive is 12% more, than Iris Pro Graphics 580.
low / 768p
55−60
55−60
ultra / 1080p
27−30
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce 945M in Cyberpunk 2077 is 2% more, than Iris Pro Graphics 580.
low / 768p
95−100
90−95
medium / 768p
75−80
70−75
ultra / 1080p
45−50
40−45
The average gaming FPS of GeForce 945M in Dota 2 is 7% more, than Iris Pro Graphics 580.
high / 1080p
12−14
10−11
ultra / 1080p
12−14
10−11
4K / 2160p
5−6
4−5
low / 720p
27−30
24−27
medium / 1080p
12−14
10−12
The average gaming FPS of GeForce 945M in Far Cry 5 is 16% more, than Iris Pro Graphics 580.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
12−14
low / 720p
80−85
70−75
medium / 1080p
35−40
30−35
The average gaming FPS of GeForce 945M in Fortnite is 15% more, than Iris Pro Graphics 580.
high / 1080p
18−20
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
5−6
3−4
low / 720p
35−40
30−35
medium / 1080p
21−24
18−20
The average gaming FPS of GeForce 945M in Forza Horizon 4 is 18% more, than Iris Pro Graphics 580.
low / 768p
65−70
60−65
medium / 768p
60−65
50−55
high / 1080p
21−24
16−18
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce 945M in Grand Theft Auto V is 14% more, than Iris Pro Graphics 580.
high / 1080p
7−8
6−7
ultra / 1080p
5−6
4−5
4K / 2160p
1−2
1−2
low / 720p
20−22
16−18
medium / 1080p
9−10
8−9
The average gaming FPS of GeForce 945M in Metro Exodus is 28% more, than Iris Pro Graphics 580.
low / 768p
100−110
95−100
high / 1080p
−
95−100
ultra / 1080p
90−95
85−90
medium / 1080p
100−105
95−100
The average gaming FPS of GeForce 945M in Minecraft is 6% more, than Iris Pro Graphics 580.
high / 1080p
18−20
18−20
ultra / 1080p
16−18
14−16
low / 720p
45−50
35−40
medium / 1080p
21−24
18−20
The average gaming FPS of GeForce 945M in PLAYERUNKNOWN'S BATTLEGROUNDS is 18% more, than Iris Pro Graphics 580.
high / 1080p
12−14
12−14
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
20−22
16−18
medium / 1080p
12−14
12−14
The average gaming FPS of GeForce 945M in Red Dead Redemption 2 is 8% more, than Iris Pro Graphics 580.
low / 768p
35−40
30−35
medium / 768p
24−27
21−24
high / 1080p
14−16
10−12
ultra / 1080p
8−9
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of GeForce 945M in The Witcher 3: Wild Hunt is 12% more, than Iris Pro Graphics 580.
low / 768p
95−100
90−95
medium / 768p
55−60
50−55
ultra / 1080p
27−30
24−27
high / 768p
45−50
40−45
The average gaming FPS of GeForce 945M in World of Tanks is 7% more, than Iris Pro Graphics 580.
Full Specs
GeForce 945M
Iris Pro Graphics 580
Architecture
Maxwell
Gen. 9 Skylake
Code name
GM107
Skylake GT4e
Type
Laptop
Laptop
Release date
12 March 2015
1 September 2015
Pipelines
512
72
Core clock speed
928 MHz
350 MHz
Boost Clock
1045 MHz
1050 MHz
Transistor count
1,870 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
40.80
72.00
Floating-point performance
953.9 gflops
Memory bus width
128 Bit
Memory clock speed
2000 MHz
Memory bandwidth
28.8 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
1.1.126
1.1.97
CUDA
+
Bus support
PCI Express 3.0
Bitcoin / BTC (SHA256)
107 Mh/s
Laptop size
medium sized
Optimus
+
Quick Sync
+
GPU Boost
2.0
GameWorks
+
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