Intel Iris Pro Graphics P580 vs AMD Radeon R9 M280X

Intel Iris Pro Graphics P580
AMD Radeon R9 M280X

General info

Comparison of Iris Pro Graphics P580 and Radeon R9 M280X architecture, market type and release date.
Place in performance rating
 
Architecture
Generation 9.0
 
GCN 2.0
Code name
Skylake GT4e
 
Saturn
Type
Laptop
 
Laptop
Release date
1 September 2015
 
5 February 2015

Technical specs

Iris Pro Graphics P580 and Radeon R9 M280X's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Iris Pro Graphics P580 and Radeon R9 M280X's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
576
 
896
Core clock speed
350 MHz
 
900 MHz
Boost Clock
1100 MHz
 
no data
Transistor count
189 million
 
2,080 million
Manufacturing process technology
14 nm+
 
28 nm
Power consumption (TDP)
15 Watt
 
no data
Texture fill rate
79.20
 
61.60
Floating-point performance
no data
 
1,792 gflops

Compatibility, dimensions and requirements

Information on Iris Pro Graphics P580 and Radeon R9 M280X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
no data
 
large
Bus support
no data
 
Not Listed
Interface
PCIe 3.0 x1
 
PCIe 3.0 x16

Memory

Parameters of memory installed on Iris Pro Graphics P580 and Radeon R9 M280X: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
DDR3L/LPDDR3/DDR4
 
Not Listed
Maximum RAM amount
64 GB
 
no data
Memory bandwidth
no data
 
96 GB/s
Shared memory
+
 
-

Video outputs and ports

Types and number of video connectors present on Iris Pro Graphics P580 and Radeon R9 M280X.
Display Connectors
No outputs
 
No outputs

Technologies

Technological solutions and APIs supported by Iris Pro Graphics P580 and Radeon R9 M280X. You'll probably need this information if you need some particular technology for your purposes.
FreeSync
-
 
+
HD3D
-
 
+
PowerTune
-
 
+
DualGraphics
-
 
+
ZeroCore
-
 
+
Switchable graphics
-
 
+
Quick Sync
+
 
no data

API support

APIs supported by Iris Pro Graphics P580 and Radeon R9 M280X, sometimes including their particular versions.
DirectX
12 (12_1)
 
DirectX® 11
OpenGL
4.6
 
4.4
OpenCL
no data
 
Not Listed
Mantle
-
 
+

Benchmark performance

Non-gaming benchmarks performance of Iris Pro Graphics P580 and Radeon R9 M280X. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

Iris Pro Graphics P580 4.21 +223.8%
R9 M280X 1.30

Passmark

Iris Pro Graphics P580 2020 +76.1%
R9 M280X 1147

Gaming performance

Let's see how good Iris Pro Graphics P580 and Radeon R9 M280X are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of Intel Iris Pro Graphics P580

223.8% faster (about 3 times) in synthetic tests
Somewhat newer (1 September 2015 vs 5 February 2015)
Finer manufacturing process technology (14 vs 28 nm)
Quick Sync (hardware acceleration of video encoding and decoding for Intel CPUs. Speeds up video encoding by times, but at the cost of somewhat lower quality)

Advantages of AMD Radeon R9 M280X

More pipelines (896 vs 576)
FreeSync
HD3DMenu
PowerTuneMenu
DualGraphics
ZeroCoreMenu
SwitchableGraphics
MantleMenu

So, Iris Pro Graphics P580 or R9 M280X?

Judging by the results of synthetic and gaming tests, Technical City recommends Intel Iris Pro Graphics P580.
Should you still have questions on choice between Iris Pro Graphics P580 and Radeon R9 M280X, ask them in Comments section, and we shall answer.

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Intel Iris Pro Graphics P580
AMD Radeon R9 M280X
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Advices and comments

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