Iris Pro Graphics P580 vs Radeon HD 8870M
If you are going to buy a new graphics card and are choosing between Iris Pro Graphics P580 and Radeon HD 8870M, 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 Iris Pro Graphics P580 stacks up against Radeon HD 8870M, check out specs charts below.
Iris Pro Graphics P580 and Radeon HD 8870M are Laptop Graphics Cards
Note: Iris Pro Graphics P580 and Radeon HD 8870M 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 HD 8870M here:
Main Specs
Iris Pro Graphics P580
Radeon HD 8870M
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Memory type
DDR3L/LPDDR3/DDR4
GDDR5, DDR3
Maximum RAM amount
64 GB
2 GB
Display Connectors
No outputs
No outputs
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Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
Iris Pro Graphics P580 has 62 GB more memory, than Radeon HD 8870M.
Both cards are used in Laptops.
Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon HD 8870M - with GCN.
Core clock speed of Radeon HD 8870M is 375 MHz higher, than Iris Pro Graphics P580.
Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon HD 8870M - 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
7−8
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
12−14
9−10
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 30% more, than Radeon HD 8870M.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
10−12
QHD / 1440p
0−1
0−1
low / 720p
35−40
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 37% more, than Radeon HD 8870M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Iris Pro Graphics P580 and Radeon HD 8870M have the same average FPS in Call of Duty: Warzone.
low / 768p
170−180
140−150
medium / 768p
140−150
110−120
ultra / 1080p
70−75
55−60
QHD / 1440p
40−45
30−35
4K / 2160p
30−33
27−30
high / 768p
100−110
85−90
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 23% more, than Radeon HD 8870M.
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 HD 8870M.
low / 768p
90−95
85−90
medium / 768p
75−80
60−65
ultra / 1080p
45−50
35−40
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 16% more, than Radeon HD 8870M.
high / 1080p
10−12
9−10
ultra / 1080p
10−12
8−9
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 HD 8870M.
high / 1080p
18−20
16−18
ultra / 1080p
12−14
10−12
low / 720p
75−80
65−70
medium / 1080p
35−40
24−27
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 20% more, than Radeon HD 8870M.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
12−14
QHD / 1440p
4−5
2−3
low / 720p
35−40
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 28% more, than Radeon HD 8870M.
low / 768p
65−70
55−60
medium / 768p
55−60
45−50
high / 1080p
18−20
14−16
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 22% more, than Radeon HD 8870M.
high / 1080p
6−7
5−6
ultra / 1080p
5−6
3−4
4K / 2160p
1−2
0−1
low / 720p
18−20
14−16
medium / 1080p
9−10
7−8
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 42% more, than Radeon HD 8870M.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
90−95
80−85
medium / 1080p
95−100
95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 6% more, than Radeon HD 8870M.
high / 1080p
18−20
16−18
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 HD 8870M.
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
10−12
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 18% more, than Radeon HD 8870M.
low / 768p
35−40
27−30
medium / 768p
21−24
18−20
high / 1080p
12−14
10−11
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 21% more, than Radeon HD 8870M.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
21−24
high / 768p
40−45
35−40
The average gaming FPS of Iris Pro Graphics P580 in World of Tanks is 10% more, than Radeon HD 8870M.
Full Specs
Iris Pro Graphics P580
Radeon HD 8870M
Architecture
Gen. 9 Skylake
GCN
Code name
Skylake GT4e
Venus
Type
Laptop
Laptop
Release date
1 September 2015
18 December 2012
Pipelines
72
640
Core clock speed
350 MHz
725 MHz
Boost Clock
1100 MHz
775 MHz
Transistor count
189 million
1,500 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
75.60
31.00
Floating-point performance
992.0 gflops
Memory bus width
128 Bit
Memory clock speed
4500 MHz
Memory bandwidth
72 GB/s
Shared memory
+
-
DirectX
12 (12_1)
12 (11_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.97
1.2.131
Bitcoin / BTC (SHA256)
107 Mh/s
Laptop size
large
Quick Sync
+
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