Product comparison · 2 motherboards

ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX vs ASUS X99-E WS/USB 3.1

27specifications compared
18differ
9identical
39known for one product only

Key differences

Processor socket
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:LGA 1150 (Socket H3)
- X99-E WS/USB 3.1:LGA 2011-v3
Supported memory types
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:DDR3-SDRAM
- X99-E WS/USB 3.1:DDR4-SDRAM
Memory channels
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:Dual-channel
- X99-E WS/USB 3.1:Quad-channel
Maximum internal memory
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:16 GB
- X99-E WS/USB 3.1:128 GB
Supported storage drive interfaces
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:SATA II, SATA III
- X99-E WS/USB 3.1:SATA
Number of SATA III connectors
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
- X99-E WS/USB 3.1:8
USB 2.0 ports quantity
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
- X99-E WS/USB 3.1:0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
- X99-E WS/USB 3.1:2, 10

Side by side

Differences highlightedShow differences only

Comparison of H81M-P, X99-E WS/USB 3.1
66 specifications	A ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX Model H81M-P View product	B ASUS X99-E WS/USB 3.1 View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 2011-v3
Compatible processor seriesKnown for one	Intel® Celeron®, Intel® Pentium®	Unknown — not stated by the source
Intel Xeon seriesKnown for one	Unknown — not stated by the source	E5-1600, E5-2600
LithographyKnown for one	Unknown — not stated by the source	22 nm
Memory4 differ
Supported memory typesDiffers	DDR3-SDRAM	DDR4-SDRAM
Number of memory slotsKnown for one	2	Unknown — not stated by the source
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
Memory channelsDiffers	Dual-channel	Quad-channel
ECC сompatibility	Non-ECC	Non-ECC
Supported memory clock speedsDiffers	1066,1333,1600 MHz	2133,2400,2666,2800,3000,3200 MHz
Maximum internal memoryDiffers	16 GB	128 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA II, SATA III	SATA
Internal I/O1 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	1	Unknown — not stated by the source
Number of SATA III connectorsDiffers	2	8
Number of SATA II connectorsKnown for one	2	Unknown — not stated by the source
Number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
CPU 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
Chassis intrusion connector	Yes	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	2, 10
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantityDiffers	0	2
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
Headphone outputs	1	1
Microphone in	Yes	Yes
COM ports quantityKnown for one	1	Unknown — not stated by the source
IPMI LAN (RJ-45) portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
LAN controllerKnown for one	Realtek 8111GR	Unknown — not stated by the source
Features1 differ
Motherboard form factorDiffers	micro ATX	SSI CEB
Motherboard chipset familyKnown for one	Intel	Unknown — not stated by the source
Motherboard chipsetKnown for one	Intel® H81	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Power source typeKnown for one	ATX	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x8 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x8 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	0
BIOS2 differ
BIOS type	UEFI AMI	UEFI AMI
BIOS memory sizeDiffers	64 Mbit	128 Mbit
ACPI versionDiffers	2.0a	5.0
Clear CMOS buttonKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	190 mm	305 mm
DepthDiffers	177 mm	267 mm
Graphicsidentical
Parallel processing technology supportKnown for one	Unknown — not stated by the source	4-Way CrossFireX, 4-Way SLI
Discrete graphics supportKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
PCI Express x16 (Gen 1.x) slotsKnown for one	Unknown — not stated by the source	7
Number of DIMM slotsKnown for one	Unknown — not stated by the source	8
Number of processors supportedKnown for one	Unknown — not stated by the source	1

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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