Product comparison · 2 motherboards

MSI 870-C45 AMD 770 Socket AM2 ATX vs MSI 870U-G55 AMD 770 Socket AM3 ATX

30specifications compared
12differ
18identical
11known for one product only

Key differences

Processor socket
- 870-C45 AMD 770 Socket AM2 ATX:Socket AM2
- 870U-G55 AMD 770 Socket AM3 ATX:Socket AM3
USB 2.0 connectors
- 870-C45 AMD 770 Socket AM2 ATX:3
- 870U-G55 AMD 770 Socket AM3 ATX:2
Number of Parallel ATA connectors
- 870-C45 AMD 770 Socket AM2 ATX:0
- 870U-G55 AMD 770 Socket AM3 ATX:1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 870-C45 AMD 770 Socket AM2 ATX:0
- 870U-G55 AMD 770 Socket AM3 ATX:2
Firewire (IEEE 1394) ports
- 870-C45 AMD 770 Socket AM2 ATX:0
- 870U-G55 AMD 770 Socket AM3 ATX:1
LAN controller
- 870-C45 AMD 770 Socket AM2 ATX:Realtek RTL8111D(L)
- 870U-G55 AMD 770 Socket AM3 ATX:Realtek RTL8111E
Networking features
- 870-C45 AMD 770 Socket AM2 ATX:PCI-E GbLAN
- 870U-G55 AMD 770 Socket AM3 ATX:10/100/1000
Audio chip
- 870-C45 AMD 770 Socket AM2 ATX:Realtek ALC889
- 870U-G55 AMD 770 Socket AM3 ATX:Realtek ALC892

Side by side

Differences highlightedShow differences only

Comparison of 870-C45, 870U-G55
41 specifications	A MSI 870-C45 AMD 770 Socket AM2 ATX Model 870-C45 View product	B MSI 870U-G55 AMD 770 Socket AM3 ATX Model 870U-G55 View product
Processor1 differ
Processor manufacturer	AMD	AMD
Processor socketDiffers	Socket AM2	Socket AM3
Memoryidentical
Number of memory slots	4	4
Supported memory clock speeds	800,1066,1333 MHz	800,1066,1333 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Storage controllersidentical
RAID levelsKnown for one	0, 1	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
On-board graphics card	No	No
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	2
Number of SATA connectors	6	6
Number of Parallel ATA connectorsDiffers	0	1
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Chassis intrusion connector	Yes	Yes
TPM connector	Yes	Yes
CD/AUX audio inKnown for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports2 differ
USB 2.0 ports quantity	6	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	0	1
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI-D ports quantityKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
LAN controllerDiffers	Realtek RTL8111D(L)	Realtek RTL8111E
Networking featuresDiffers	PCI-E GbLAN	10/100/1000
Features1 differ
Motherboard form factor	ATX	ATX
Motherboard chipset	AMD 770	AMD 770
Audio chipDiffers	Realtek ALC889	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slots2 differ
PCI Express x1 slotsDiffers	2	1
PCI Express x16 slotsDiffers	1	2
Weight & dimensions2 differ
WidthDiffers	210 mm	305 mm
DepthDiffers	305 mm	225 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.

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