Product comparison · 2 motherboards

MSI 870U-G55 AMD 770 Socket AM3 ATX vs MSI H55M-E23 LGA 1156 (Socket H) micro ATX

26specifications compared
16differ
10identical
16known for one product only

Key differences

Processor socket
- 870U-G55 AMD 770 Socket AM3 ATX:Socket AM3
- H55M-E23 LGA 1156 (Socket H) micro ATX:LGA 1156 (Socket H)
Number of memory slots
- 870U-G55 AMD 770 Socket AM3 ATX:4
- H55M-E23 LGA 1156 (Socket H) micro ATX:2
Supported memory clock speeds
- 870U-G55 AMD 770 Socket AM3 ATX:800,1066,1333 MHz
- H55M-E23 LGA 1156 (Socket H) micro ATX:1066,1333,1600 MHz
Maximum internal memory
- 870U-G55 AMD 770 Socket AM3 ATX:16 GB
- H55M-E23 LGA 1156 (Socket H) micro ATX:8 GB
On-board graphics card
- 870U-G55 AMD 770 Socket AM3 ATX:No
- H55M-E23 LGA 1156 (Socket H) micro ATX:Yes
USB 2.0 connectors
- 870U-G55 AMD 770 Socket AM3 ATX:2
- H55M-E23 LGA 1156 (Socket H) micro ATX:3
Number of Parallel ATA connectors
- 870U-G55 AMD 770 Socket AM3 ATX:1
- H55M-E23 LGA 1156 (Socket H) micro ATX:0
USB 2.0 ports quantity
- 870U-G55 AMD 770 Socket AM3 ATX:6
- H55M-E23 LGA 1156 (Socket H) micro ATX:4

Side by side

Differences highlightedShow differences only

Comparison of 870U-G55, H55M-E23
42 specifications	A MSI 870U-G55 AMD 770 Socket AM3 ATX Model 870U-G55 View product	B MSI H55M-E23 LGA 1156 (Socket H) micro ATX Model H55M-E23 View product
Processor1 differ
Processor socketDiffers	Socket AM3	LGA 1156 (Socket H)
Processor manufacturerKnown for one	AMD	Unknown — not stated by the source
Memory3 differ
Number of memory slotsDiffers	4	2
Supported memory clock speedsDiffers	800,1066,1333 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	16 GB	8 GB
Graphics1 differ
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	512 MB
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Not supported
On-board graphics cardDiffers	No	Yes
Internal I/O2 differ
USB 2.0 connectorsDiffers	2	3
Number of Parallel ATA connectorsDiffers	1	0
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
CD/AUX audio inKnown for one	Yes	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	6	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsDiffers	1	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Networking featuresDiffers	10/100/1000	Realtek 8111E
LAN controllerKnown for one	Realtek RTL8111E	Unknown — not stated by the source
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Audio chipDiffers	Realtek ALC892	Realtek ALC887
Motherboard chipsetKnown for one	AMD 770	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x16 slotsDiffers	2	1
BIOSidentical
ACPI versionKnown for one	Unknown — not stated by the source	2.0
Weight & dimensions2 differ
WidthDiffers	305 mm	210 mm
DepthDiffers	225 mm	245 mm

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.

More motherboard comparisons

All motherboard comparisons