Product comparison · 2 motherboards

ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX vs GIGABYTE GA-Z77-HD3 (rev. 1.0)

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  • 60specifications compared
  • 24differ
  • 36identical
  • 38known for one product only

Key differences

The GIGABYTE GA-Z77-HD3 (rev. 1.0) has 2 more memory slots than the ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX (4 vs 2). The GIGABYTE GA-Z77-HD3 (rev. 1.0) has 16 GB more maximum internal memory than the ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX (32 GB vs 16 GB). The GIGABYTE GA-Z77-HD3 (rev. 1.0) has 1 more DirectX version than the ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX (11 vs 10). Processor socket: BGA 1023 on the ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX, LGA 1155 (Socket H2) on the GIGABYTE GA-Z77-HD3 (rev. 1.0). Compatible processor series: Intel® Celeron® M on the ASUS C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX, Intel® Celeron®, Intel® Pentium® on the GIGABYTE GA-Z77-HD3 (rev. 1.0).

  • Processor socket
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:BGA 1023
    • GA-Z77-HD3 (rev. 1.0):LGA 1155 (Socket H2)
  • Number of memory slots
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:2
    • GA-Z77-HD3 (rev. 1.0):4
  • Memory slots type
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:SO-DIMM
    • GA-Z77-HD3 (rev. 1.0):DIMM
  • Supported memory clock speeds
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:1066,1333 MHz
    • GA-Z77-HD3 (rev. 1.0):1066,1333,1600,2800 MHz
  • Maximum internal memory
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:16 GB
    • GA-Z77-HD3 (rev. 1.0):32 GB
  • Parallel processing technology support
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:Not supported
    • GA-Z77-HD3 (rev. 1.0):2-Way CrossFireX
  • DirectX version
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:10
    • GA-Z77-HD3 (rev. 1.0):11
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • C8HM70-I/HDMI Intel® HM70 Express BGA 1023 mini ITX:0
    • GA-Z77-HD3 (rev. 1.0):1

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Comparison of C8HM70-I/HDMI, GA-Z77-HD3 (rev. 1.0)
98 specifications
Processor2 differ
Processor manufacturerIntelIntel
Processor socketDiffersBGA 1023LGA 1155 (Socket H2)
Compatible processor seriesDiffersIntel® Celeron® MIntel® Celeron®, Intel® Pentium®
Maximum number of SMP processors11
System bus rate5 GT/s5 GT/s
Processor modelKnown for one847Unknown — not stated by the source
Memory4 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers24
Memory slots typeDiffersSO-DIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1066,1333 MHz1066,1333,1600,2800 MHz
Maximum internal memoryDiffers16 GB32 GB
Unbuffered memoryKnown for oneYesUnknown — not stated by the source
Memory voltageKnown for oneUnknown — not stated by the source1.5 V
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 5, 10
Graphics2 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX
Graphics card familyIntelIntel
Graphics cardKnown for oneHD GraphicsUnknown — not stated by the source
Maximum resolutionKnown for one2048 x 1536 pixelsUnknown — not stated by the source
OpenGL versionKnown for one4.1Unknown — not stated by the source
DirectX versionDiffers1011
Discrete graphics supportYesYes
Internal I/O4 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers12
Number of SATA II connectorsDiffers14
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers13
Chassis intrusion connectorYesYes
S/PDIF out connectorKnown for oneUnknown — not stated by the sourceYes
EPS power connector (8-pin)Known for oneUnknown — not stated by the sourceYes
Number of COM connectorsKnown for oneUnknown — not stated by the source1
TPM connectorKnown for oneUnknown — not stated by the sourceYes
Rear panel I/O ports2 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantityDiffers01
DVI-I ports quantityKnown for one0Unknown — not stated by the source
DisplayPorts quantityKnown for one0Unknown — not stated by the source
Headphone outputsDiffers31
Microphone inYesYes
S/PDIF out portKnown for oneNoUnknown — not stated by the source
Digital audio optical outKnown for one0Unknown — not stated by the source
Thunderbolt ports quantityKnown for one0Unknown — not stated by the source
COM ports quantityKnown for one0Unknown — not stated by the source
Parallel ports quantityKnown for one0Unknown — not stated by the source
Serial ports quantityKnown for one0Unknown — not stated by the source
WiFi-AP antenna jackKnown for one0Unknown — not stated by the source
Modem (RJ-11) portsKnown for one0Unknown — not stated by the source
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerKnown for oneRealtek RTL8111FUnknown — not stated by the source
Wi-FiNoNo
BluetoothNoNo
Features4 differ
Component forPCPC
Motherboard form factorDiffersmini ITXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® HM70 ExpressIntel Z77
Audio chipDiffersRealtek ALC887-VDRealtek ALC887
Audio output channels7.1 channels7.1 channels
Cooling typeDiffersActivePassive
Power source typeATXATX
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Expansion slots2 differ
PCI Express x16 slotsDiffers12
PCI Express configurationsDiffers1x161x4, 1x16, 2x1
PCI Express slots versionKnown for one2.0Unknown — not stated by the source
PCI Express x1 slotsKnown for oneUnknown — not stated by the source2
PCI slotsKnown for oneUnknown — not stated by the source2
BIOS2 differ
BIOS typeDiffersUEFI AMIEFI AMI
BIOS memory sizeDiffers64 Mbit16 Mbit
ACPI version2.0a2.0a
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel Dual Display Capable TechnologyKnown for oneYesUnknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for oneVT-xUnknown — not stated by the source
Processor with Intel Graphics Technology requiredKnown for oneYesUnknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers170.2 mm305 mm
DepthDiffers170.2 mm215 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Trial softwareKnown for oneUnknown — not stated by the sourceNorton Internet Security
Bundled softwareKnown for oneUnknown — not stated by the sourceIntel Smart Response Technology Intel Rapid Start Technology Intel Smart Connect Technology
Other featuresidentical
Dual Link DVIKnown for oneNoUnknown — not stated by the source
S/PDIF in portKnown for oneNoUnknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
Controller interface typeKnown for oneUnknown — not stated by the sourceIntel Z77
PCI Express slots quantityKnown for oneUnknown — not stated by the source4
Quick installation guideKnown for oneUnknown — not stated by the sourceYes

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