Iris Pro Graphics P580 vs Radeon R9 M385X
When choosing between Iris Pro Graphics P580 and Radeon R9 M385X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Iris Pro Graphics P580 and Radeon R9 M385X.
Iris Pro Graphics P580 and Radeon R9 M385X are Laptop Graphics Cards
Note: Iris Pro Graphics P580 and Radeon R9 M385X 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 Iris Pro Graphics P580 or Radeon R9 M385X here:
Main Specs
Iris Pro Graphics P580
Radeon R9 M385X
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
64 GB
4 GB
Display Connectors
No outputs
No outputs
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Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
Iris Pro Graphics P580 has 60 GB more memory, than Radeon R9 M385X.
Both cards are used in Laptops.
Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R9 M385X - with GCN.
Core clock speed of Radeon R9 M385X is 750 MHz higher, than Iris Pro Graphics P580.
Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R9 M385X - by 28 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
8−9
ultra / 1080p
6−7
5−6
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
12−14
10−11
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 30% more, than Radeon R9 M385X.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
0−1
0−1
low / 720p
35−40
30−33
medium / 1080p
18−20
14−16
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 22% more, than Radeon R9 M385X.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Iris Pro Graphics P580 and Radeon R9 M385X have the same average FPS in Call of Duty: Warzone.
low / 768p
170−180
150−160
medium / 768p
140−150
120−130
ultra / 1080p
70−75
60−65
QHD / 1440p
40−45
35−40
4K / 2160p
30−33
27−30
high / 768p
100−110
90−95
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 14% more, than Radeon R9 M385X.
low / 768p
55−60
55−60
ultra / 1080p
27−30
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Pro Graphics P580 in Cyberpunk 2077 is 4% more, than Radeon R9 M385X.
low / 768p
90−95
85−90
medium / 768p
75−80
65−70
ultra / 1080p
45−50
40−45
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 10% more, than Radeon R9 M385X.
high / 1080p
10−12
10−11
ultra / 1080p
10−12
9−10
4K / 2160p
4−5
4−5
low / 720p
27−30
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Iris Pro Graphics P580 in Far Cry 5 is 18% more, than Radeon R9 M385X.
high / 1080p
18−20
16−18
ultra / 1080p
12−14
12−14
low / 720p
75−80
65−70
medium / 1080p
35−40
27−30
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 16% more, than Radeon R9 M385X.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
4−5
2−3
low / 720p
35−40
30−35
medium / 1080p
18−20
16−18
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 12% more, than Radeon R9 M385X.
low / 768p
65−70
60−65
medium / 768p
55−60
50−55
high / 1080p
18−20
16−18
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Pro Graphics P580 in Grand Theft Auto V is 11% more, than Radeon R9 M385X.
high / 1080p
6−7
5−6
ultra / 1080p
5−6
4−5
4K / 2160p
1−2
1−2
low / 720p
18−20
16−18
medium / 1080p
9−10
7−8
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 14% more, than Radeon R9 M385X.
low / 768p
100−110
95−100
high / 1080p
−
95−100
ultra / 1080p
90−95
85−90
medium / 1080p
95−100
95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 4% more, than Radeon R9 M385X.
high / 1080p
18−20
18−20
ultra / 1080p
14−16
14−16
low / 720p
40−45
35−40
medium / 1080p
20−22
18−20
The average gaming FPS of Iris Pro Graphics P580 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than Radeon R9 M385X.
high / 1080p
12−14
−
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
18−20
14−16
medium / 1080p
12−14
12−14
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 8% more, than Radeon R9 M385X.
low / 768p
35−40
30−35
medium / 768p
21−24
20−22
high / 1080p
12−14
10−12
ultra / 1080p
8−9
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Iris Pro Graphics P580 in The Witcher 3: Wild Hunt is 13% more, than Radeon R9 M385X.
low / 768p
90−95
90−95
medium / 768p
50−55
45−50
ultra / 1080p
24−27
21−24
high / 768p
40−45
40−45
The average gaming FPS of Iris Pro Graphics P580 in World of Tanks is 3% more, than Radeon R9 M385X.
Full Specs
Iris Pro Graphics P580
Radeon R9 M385X
Architecture
Gen. 9 Skylake
GCN
Code name
Skylake GT4e
Strato-XT-M3
Type
Laptop
Laptop
Release date
1 September 2015
16 June 2015
Pipelines
72
896
Core clock speed
350 MHz
1100 MHz
Boost Clock
1100 MHz
1100 MHz
Transistor count
189 million
2,080 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
75.60
61.60
Floating-point performance
1,971 gflops
Memory bus width
128 Bit
Memory clock speed
1500 MHz
Memory bandwidth
76.8 GB/s
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
6.3
OpenGL
4.6
4.4
OpenCL
2.1
Not Listed
Vulkan
1.1.97
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Quick Sync
+
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