Product comparison · 2 motherboards

ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX vs GIGABYTE GA-Q77M-D2H (rev. 1.0)

61specifications compared
12differ
49identical
20known for one product only

Key differences

The ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has 1 more USB 2.0 connectors than the GIGABYTE GA-Q77M-D2H (rev. 1.0) (3 vs 2). The ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has 1 more chassis fan connectors than the GIGABYTE GA-Q77M-D2H (rev. 1.0) (2 vs 1). The GIGABYTE GA-Q77M-D2H (rev. 1.0) has 1 more COM connectors than the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX (2 vs 1). Parallel processing technology support: Not supported on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, 2-Way CrossFireX on the GIGABYTE GA-Q77M-D2H (rev. 1.0). Audio chip: VIA VT1708S on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, Realtek ALC887 on the GIGABYTE GA-Q77M-D2H (rev. 1.0).

Parallel processing technology support
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:Not supported
- GA-Q77M-D2H (rev. 1.0):2-Way CrossFireX
USB 2.0 connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:3
- GA-Q77M-D2H (rev. 1.0):2
Number of chassis fan connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- GA-Q77M-D2H (rev. 1.0):1
Number of COM connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:1
- GA-Q77M-D2H (rev. 1.0):2
Audio chip
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:VIA VT1708S
- GA-Q77M-D2H (rev. 1.0):Realtek ALC887
PCI Express x16 slots
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:1
- GA-Q77M-D2H (rev. 1.0):2
PCI Express configurations
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:1x4, 1x16
- GA-Q77M-D2H (rev. 1.0):1x1, 1x4, 1x16
PCI slots
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- GA-Q77M-D2H (rev. 1.0):1

Side by side

Differences highlightedShow differences only

Comparison of P8Q77-M/CSM, GA-Q77M-D2H (rev. 1.0)
81 specifications	A ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX Model P8Q77-M/CSM View product	B GIGABYTE GA-Q77M-D2H (rev. 1.0)View product
Memoryidentical
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Graphics1 differ
Maximum graphics card memoryKnown for one	1748 MB	Unknown — not stated by the source
Parallel processing technology supportDiffers	Not supported	2-Way CrossFireX
Internal I/O3 differ
USB 2.0 connectorsDiffers	3	2
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsDiffers	2	1
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of COM connectorsDiffers	1	2
Number of SATA connectorsKnown for one	Unknown — not stated by the source	6
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
Parallel connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O portsidentical
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Networkidentical
LAN controllerKnown for one	Intel® 82579LM	Unknown — not stated by the source
Features1 differ
Audio chipDiffers	VIA VT1708S	Realtek ALC887
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows 7/XP
Expansion slots3 differ
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsDiffers	1	2
PCI Express configurationsDiffers	1x4, 1x16	1x1, 1x4, 1x16
PCI slotsDiffers	2	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS memory sizeDiffers	128 Mbit	64 Mbit
Clear CMOS jumperKnown for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
DepthDiffers	228.7 mm	244 mm
Packaging content1 differ
Cables includedKnown for one	SATA	Unknown — not stated by the source
Trial softwareDiffers	Antivirus	Norton Internet Security
Bundled softwareKnown for one	ASUS Utilities ASUS Update	Unknown — not stated by the source
Other features1 differ
Audio outputDiffers	3	6
Quick installation guideKnown for one	Unknown — not stated by the source	Yes

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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