Product comparison · 2 motherboards

ASUS A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX vs ASUS Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX

51specifications compared
29differ
22identical
28known for one product only

Key differences

Processor manufacturer
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:AMD
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:Intel
Processor socket
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:Socket FM2
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:LGA 1150 (Socket H3)
Maximum internal memory
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:32 GB
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:16 GB
Supported storage drive interfaces
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:SATA II
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:SATA III
Maximum graphics card memory
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:2048 MB
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:1024 MB
Maximum resolution
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:2560 x 1600 pixels
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:4096 x 2160 pixels
USB 2.0 connectors
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:6
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:1
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX:0
- Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX:1

Side by side

Differences highlightedShow differences only

Comparison of A55M-A/USB3, Z87I-PRO
79 specifications	A ASUS A55M-A/USB3 motherboard AMD A55 Socket FM2 micro ATX Model A55M-A/USB3 View product	B ASUS Z87I-PRO Intel® Z87 LGA 1150 (Socket H3) mini ITX Model Z87I-PRO View product
Processor3 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket FM2	LGA 1150 (Socket H3)
Compatible processor seriesDiffers	AMD A	Intel® Celeron®, Intel® Pentium®
System bus rateKnown for one	Unknown — not stated by the source	6 GT/s
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
Memory2 differ
Number of memory slotsKnown for one	Unknown — not stated by the source	2
Supported memory clock speedsDiffers	1066,1333,1600,1866 MHz	1333,1600,1800,1866,2000,2133,2200,2400,2600,2666,2800,3000 MHz
Maximum internal memoryDiffers	32 GB	16 GB
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA II	SATA III
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics2 differ
Maximum graphics card memoryDiffers	2048 MB	1024 MB
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Maximum resolutionDiffers	2560 x 1600 pixels	4096 x 2160 pixels
Number of displays supportedKnown for one	Unknown — not stated by the source	3
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Graphics card familyKnown for one	AMD	Unknown — not stated by the source
DirectX versionKnown for one	11	Unknown — not stated by the source
Internal I/O5 differ
USB 2.0 connectorsDiffers	6	1
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	0	1
Number of SATA III connectorsDiffers	0	6
Number of SATA II connectorsDiffers	6	0
Number of chassis fan connectorsDiffers	1	3
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	6
PS/2 ports quantityDiffers	2	0
VGA (D-Sub) ports quantityDiffers	1	0
DVI-D ports quantityKnown for one	Unknown — not stated by the source	0
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Ethernet interface typeDiffers	Fast Ethernet, Gigabit Ethernet	Gigabit Ethernet
LAN controllerDiffers	Realtek RTL8111F	Intel® I217-V
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Features4 differ
Motherboard form factorDiffers	micro ATX	mini ITX
Motherboard chipset familyDiffers	AMD	Intel
Motherboard chipsetDiffers	AMD A55	Intel® Z87
Audio chipDiffers	Realtek ALC887	Realtek ALC1150
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x1 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
BIOS3 differ
BIOS typeDiffers	UEFI	UEFI AMI
BIOS memory sizeDiffers	32 Mbit	64 Mbit
ACPI versionDiffers	2.0a	5.0
Weight & dimensions2 differ
WidthDiffers	236 mm	170 mm
DepthDiffers	188 mm	170 mm
Packaging content1 differ
Bundled softwareDiffers	ASUS utilities ASUS Update Anti-virus software (OEM version)	ASUS Utilities EZ Update Anti-virus software (OEM version)
Other featuresidentical
Number of processors supportedKnown for one	Unknown — not stated by the source	1
PCI Express slots quantityKnown for one	Unknown — not stated by the source	1
Quick installation guideKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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