Product comparison · 2 motherboards

ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX vs GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX

78specifications compared
19differ
59identical
9known for one product only

Key differences

The GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX has 2 more memory slots than the ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX (4 vs 2). The GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX has 16 GB more maximum internal memory than the ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX (32 GB vs 16 GB). The GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX has 2 more USB 2.0 connectors than the ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX (3 vs 1). Only the ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX has S/PDIF out port. ECC сompatibility: ECC & Non-ECC on the ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX, Non-ECC on the GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX.

Number of memory slots
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:2
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:4
ECC сompatibility
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:ECC & Non-ECC
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:Non-ECC
Maximum internal memory
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:16 GB
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:32 GB
Supported memory module capacities
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:1GB, 2GB, 4GB, 8GB
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:16GB, 1GB, 2GB, 4GB, 8GB
Parallel processing technology support
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:LucidLogix Virtu
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:2-Way CrossFireX
USB 2.0 connectors
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:1
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:3
Number of chassis fan connectors
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:1
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:2
USB 2.0 ports quantity
- P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX:6
- GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX:4

Side by side

Differences highlightedShow differences only

Comparison of P8H77-I, GA-Z77M-D3H
87 specifications	A ASUS P8H77-I Intel H77 LGA 1155 (Socket H2) mini ITX Model P8H77-I View product	B GIGABYTE GA-Z77M-D3H motherboard Intel Z77 LGA 1155 (Socket H2) micro ATX Model GA-Z77M-D3H View product
Memory5 differ
Number of memory slotsDiffers	2	4
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Supported memory clock speedsDiffers	1066,1333,1600,1800,1866,2000,2133,2200 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Supported memory module capacitiesDiffers	1GB, 2GB, 4GB, 8GB	16GB, 1GB, 2GB, 4GB, 8GB
Graphics1 differ
Parallel processing technology supportDiffers	LucidLogix Virtu	2-Way CrossFireX
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers	1	3
Number of chassis fan connectorsDiffers	1	2
Parallel connectorKnown for one	Unknown — not stated by the source	Yes
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	6	4
S/PDIF out portDiffers	Yes	No
Network1 differ
Networking featuresDiffers	Gigabit LAN	10/100/1000 Mbit/sec
LAN controllerKnown for one	Realtek RTL8111F	Unknown — not stated by the source
Features2 differ
Motherboard form factorDiffers	mini ITX	micro ATX
Motherboard chipsetDiffers	Intel H77	Intel Z77
Audio chipKnown for one	Unknown — not stated by the source	VIA VT2021
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7/XP
Expansion slots2 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsDiffers	1	2
PCI Express configurationsDiffers	1x16	1x16+1x4
PCI slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	AMI	EFI AMI
Processor special featuresidentical
Processor with Intel Graphics Technology requiredKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	170 mm	244 mm
DepthDiffers	170 mm	220 mm
Other features1 differ
Controller interface typeDiffers	Intel H77	Intel Z77

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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