Product comparison · 2 motherboards

ASUS M4A78-EM AMD vs ASUS M4N78 Socket AM2 ATX

46specifications compared
11differ
35identical
8known for one product only

Key differences

RAID levels
- M4A78-EM AMD:0, 1, 10, JBOD
- M4N78 Socket AM2 ATX:0, 1, 0+1, 5, JBOD
VGA (D-Sub) ports quantity
- M4A78-EM AMD:1
- M4N78 Socket AM2 ATX:0
HDMI ports quantity
- M4A78-EM AMD:1
- M4N78 Socket AM2 ATX:0
DVI-D ports quantity
- M4A78-EM AMD:1
- M4N78 Socket AM2 ATX:0
Motherboard form factor
- M4A78-EM AMD:micro ATX
- M4N78 Socket AM2 ATX:ATX
PCI Express x1 slots
- M4A78-EM AMD:1
- M4N78 Socket AM2 ATX:2
PCI slots
- M4A78-EM AMD:2
- M4N78 Socket AM2 ATX:3
Width
- M4A78-EM AMD:244 mm
- M4N78 Socket AM2 ATX:305 mm

Side by side

Differences highlightedShow differences only

Comparison of M4A78-EM, M4N78
54 specifications	A ASUS M4A78-EM AMD Model M4A78-EM View product	B ASUS M4N78 Socket AM2 ATX Model M4N78 View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM2	Socket AM2
Compatible processor series	AMD Phenom X3, AMD Phenom X4	AMD Phenom X3, AMD Phenom X4
Processor system buses supportedKnown for one	Unknown — not stated by the source	1600 MHz
Memoryidentical
Number of memory slots	4	4
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Maximum internal memory	16 GB	16 GB
Storage controllers1 differ
RAID levelsDiffers	0, 1, 10, JBOD	0, 1, 0+1, 5, JBOD
Graphicsidentical
Maximum graphics card memoryKnown for one	256 MB	Unknown — not stated by the source
Internal I/Oidentical
USB 2.0 connectors	3	3
Number of SATA connectors	5	5
Number of Parallel ATA connectors	1	1
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	1	1
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	1	1
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantityDiffers	1	0
DVI-D ports quantityDiffers	1	0
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8211CL
Features1 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetKnown for one	AMD 780G	Unknown — not stated by the source
Audio chip	Realtek ALC887	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slots2 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slots	1	1
PCI slotsDiffers	2	3
BIOSidentical
BIOS type	AMI	AMI
BIOS memory size	64 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	244 mm	208 mm
Packaging content1 differ
Drivers included	Yes	Yes
Bundled softwareDiffers	- ASUS PC Probe II - ASUS LiveUpdate Utility	- ASUS PC Probe II - Express Gate Driver - ASUS Update
Other features1 differ
Controller 2nd interface typeDiffers	UltraDMA 133/100	UltraDMA 133/100/66/33
Controller interface type	SATA 3 Gb/s	SATA 3 Gb/s
Graphics controllerKnown for one	ATI Radeon HD3200	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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