Product comparison · 2 motherboards

ASUS M3A78 motherboard AMD 770 Socket AM2 ATX vs ASUS M3A78-CM AMD

26specifications compared
7differ
19identical
33known for one product only

Key differences

The ASUS M3A78-CM AMD has 1 more VGA (D-Sub) ports quantity than the ASUS M3A78 motherboard AMD 770 Socket AM2 ATX (1 vs 0). The ASUS M3A78-CM AMD has 1 more DVI-D ports quantity than the ASUS M3A78 motherboard AMD 770 Socket AM2 ATX (1 vs 0). The ASUS M3A78 motherboard AMD 770 Socket AM2 ATX has 61 mm more width than the ASUS M3A78-CM AMD (305 mm vs 244 mm). Processor socket: Socket AM2 on the ASUS M3A78 motherboard AMD 770 Socket AM2 ATX, Socket AM2+ on the ASUS M3A78-CM AMD. RAID levels: 0, 1, 0+1, JBOD on the ASUS M3A78 motherboard AMD 770 Socket AM2 ATX, 0, 1 on the ASUS M3A78-CM AMD.

Processor socket
- M3A78 motherboard AMD 770 Socket AM2 ATX:Socket AM2
- M3A78-CM AMD:Socket AM2+
RAID levels
- M3A78 motherboard AMD 770 Socket AM2 ATX:0, 1, 0+1, JBOD
- M3A78-CM AMD:0, 1
VGA (D-Sub) ports quantity
- M3A78 motherboard AMD 770 Socket AM2 ATX:0
- M3A78-CM AMD:1
DVI-D ports quantity
- M3A78 motherboard AMD 770 Socket AM2 ATX:0
- M3A78-CM AMD:1
Motherboard form factor
- M3A78 motherboard AMD 770 Socket AM2 ATX:ATX
- M3A78-CM AMD:micro ATX
Motherboard chipset
- M3A78 motherboard AMD 770 Socket AM2 ATX:AMD 770
- M3A78-CM AMD:AMD 780V
Width
- M3A78 motherboard AMD 770 Socket AM2 ATX:305 mm
- M3A78-CM AMD:244 mm

Side by side

Differences highlightedShow differences only

Comparison of M3A78, M3A78-CM
59 specifications	A ASUS M3A78 motherboard AMD 770 Socket AM2 ATX Model M3A78 View product	B ASUS M3A78-CM AMD Model M3A78-CM View product
Processor1 differ
Processor manufacturer	AMD	AMD
Processor socketDiffers	Socket AM2	Socket AM2+
Compatible processor seriesKnown for one	Unknown — not stated by the source	AMD Phenom, AMD Phenom FX
Memoryidentical
Supported memory typesKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Number of memory slots	4	4
Memory slots typeKnown for one	Unknown — not stated by the source	DIMM
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Supported memory clock speedsKnown for one	Unknown — not stated by the source	533,667,800,1066 MHz
Maximum internal memory	8 GB	8 GB
Storage controllers1 differ
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	IDE, SATA II
RAID levelsDiffers	0, 1, 0+1, JBOD	0, 1
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	256 MB
Internal I/Oidentical
USB 2.0 connectors	6	6
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	Unknown — not stated by the source	0
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	0
Number of SATA II connectorsKnown for one	Unknown — not stated by the source	6
Number of SATA connectors	6	6
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
CPU fan connector	Yes	Yes
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	Unknown — not stated by the source	1
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
Power fan connectorKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantity	6	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantity	0	0
DVI-D ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
COM ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Features2 differ
Component forKnown for one	Unknown — not stated by the source	PC
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset familyKnown for one	Unknown — not stated by the source	AMD
Motherboard chipsetDiffers	AMD 770	AMD 780V
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Audio chipKnown for one	VIA VT1708B	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
BIOSidentical
BIOS typeKnown for one	Unknown — not stated by the source	AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI versionKnown for one	Unknown — not stated by the source	2.0
Weight & dimensions1 differ
WidthDiffers	305 mm	244 mm
Depth	244 mm	244 mm
Other featuresidentical
Graphics controllerKnown for one	Unknown — not stated by the source	ATI RV610

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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