Product comparison · 2 motherboards

ASUS M2A74-AM AMD vs ASUS M4A78-AM AMD

58specifications compared
4differ
54identical
4known for one product only

Key differences

System bus rate
- M2A74-AM AMD:2 GT/s
- M4A78-AM AMD:5.2 GT/s
DVI-D ports quantity
- M2A74-AM AMD:1
- M4A78-AM AMD:0
Motherboard chipset
- M2A74-AM AMD:AMD 740G
- M4A78-AM AMD:AMD 780G
Graphics controller
- M2A74-AM AMD:Radeon 2100
- M4A78-AM AMD:Radeon HD3200

Side by side

Differences highlightedShow differences only

Comparison of M2A74-AM, M4A78-AM
62 specifications	A ASUS M2A74-AM AMD Model M2A74-AM View product	B ASUS M4A78-AM AMD Model M4A78-AM View product
Processor1 differ
Processor manufacturer	AMD	AMD
Processor socket	Socket AM3	Socket AM3
Compatible processor series	AMD Phenom	AMD Phenom
System bus rateDiffers	2 GT/s	5.2 GT/s
Memoryidentical
Supported memory types	DDR2-SDRAM	DDR2-SDRAM
Number of memory slots	2	2
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Supported memory clock speedsKnown for one	Unknown — not stated by the source	667,800,1066 MHz
Maximum internal memory	8 GB	8 GB
Storage controllersidentical
Supported storage drive interfaces	IDE, SATA II	IDE, SATA II
RAID levels	0, 1, 1+0, JBOD	0, 1, 1+0, JBOD
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	256 MB
Internal I/Oidentical
USB 2.0 connectors	3	3
USB 3.2 Gen 1 (3.1 Gen 1) connectors	0	0
Number of SATA III connectors	0	0
Number of SATA II connectors	4	4
Number of SATA connectors	4	4
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
CPU fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	0	0
DVI-D ports quantityDiffers	1	0
Headphone outputs	3	3
Microphone inKnown for one	Unknown — not stated by the source	Yes
COM ports quantity	1	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
Networking features	Gigabit Ethernet	Gigabit Ethernet
Features1 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	AMD	AMD
Motherboard chipsetDiffers	AMD 740G	AMD 780G
Audio output channels	5.1 channels	5.1 channels
Power source type	ATX	ATX
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x16 slots	1	1
PCI slots	2	2
BIOSidentical
BIOS type	AMI	AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI version	2.0a	2.0a
Weight & dimensionsidentical
Width	244 mm	244 mm
Depth	208 mm	208 mm
Other features1 differ
Controller 2nd interface type	IDE	IDE
Controller interface type	SATA	SATA
Audio output	VT1708S	VT1708S
Graphics controllerDiffers	Radeon 2100	Radeon HD3200

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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