Product comparison · 2 motherboards

ASUS SABERTOOTH 990FX/GEN3 R2.0 vs MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX

52specifications compared
24differ
28identical
27known for one product only

Key differences

The ASUS SABERTOOTH 990FX/GEN3 R2.0 has 2 more memory slots than the MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX (4 vs 2). The ASUS SABERTOOTH 990FX/GEN3 R2.0 has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX (1 vs 0). The ASUS SABERTOOTH 990FX/GEN3 R2.0 has 8 more SATA III connectors than the MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX (8 vs 0). Processor socket: Socket AM3+ on the ASUS SABERTOOTH 990FX/GEN3 R2.0, Socket FM2 on the MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX. Supported memory clock speeds: 1066,1333,1600,1866 MHz on the ASUS SABERTOOTH 990FX/GEN3 R2.0, 1066,1333,1600,1866,2133 MHz on the MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX.

Processor socket
- SABERTOOTH 990FX/GEN3 R2.0:Socket AM3+
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:Socket FM2
Number of memory slots
- SABERTOOTH 990FX/GEN3 R2.0:4
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:2
Supported memory clock speeds
- SABERTOOTH 990FX/GEN3 R2.0:1066,1333,1600,1866 MHz
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:1066,1333,1600,1866,2133 MHz
Supported storage drive interfaces
- SABERTOOTH 990FX/GEN3 R2.0:SATA III
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:SATA II
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- SABERTOOTH 990FX/GEN3 R2.0:1
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:0
Number of SATA III connectors
- SABERTOOTH 990FX/GEN3 R2.0:8
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:0
Number of SATA II connectors
- SABERTOOTH 990FX/GEN3 R2.0:0
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:6
Number of chassis fan connectors
- SABERTOOTH 990FX/GEN3 R2.0:4
- FM2-A55M-P33 AMD A55 Socket FM2 micro ATX:2

Side by side

Differences highlightedShow differences only

Comparison of SABERTOOTH 990FX/GEN3 R2.0, FM2-A55M-P33
79 specifications	A ASUS SABERTOOTH 990FX/GEN3 R2.0 View product	B MSI FM2-A55M-P33 AMD A55 Socket FM2 micro ATX Model FM2-A55M-P33 View product
Processor2 differ
Processor manufacturer	AMD	AMD
Processor socketDiffers	Socket AM3+	Socket FM2
Compatible processor seriesDiffers	AMD Phenom II Dual-Core Mobile, AMD Phenom II Quad-Core Mobile, AMD Phenom II Triple-Core Mobile	AMD A
System bus rateKnown for one	5.2 GT/s	Unknown — not stated by the source
Processor thermal power (max)Known for one	140 W	Unknown — not stated by the source
Memory2 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	2
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibilityKnown for one	ECC & Non-ECC	Unknown — not stated by the source
Supported memory clock speedsDiffers	1066,1333,1600,1866 MHz	1066,1333,1600,1866,2133 MHz
Maximum internal memory	32 GB	32 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Supported memory module capacitiesKnown for one	Unknown — not stated by the source	16GB
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA III	SATA II
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 10, JBOD
Graphicsidentical
Parallel processing technology supportKnown for one	Quad-GPU CrossFireX, Quad-GPU SLI	Unknown — not stated by the source
Discrete graphics support	Yes	Yes
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	2048 MB
Graphics card familyKnown for one	Unknown — not stated by the source	AMD
DirectX versionKnown for one	Unknown — not stated by the source	11
Internal I/O4 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	1	0
Number of SATA III connectorsDiffers	8	0
Number of SATA II connectorsDiffers	0	6
Number of Parallel ATA connectors	0	0
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	4	2
Chassis intrusion connector	Yes	Yes
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	1
Parallel connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	8	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityDiffers	2	0
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantity	0	0
DVI-D ports quantityDiffers	0	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
LAN controllerDiffers	Realtek RTL8111F	Realtek RTL8111E
Features3 differ
Component for	PC	PC
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset family	AMD	AMD
Motherboard chipsetDiffers	AMD 990FX	AMD A55
Motherboard southbridgeKnown for one	AMD SB950	Unknown — not stated by the source
Audio chipDiffers	Realtek ALC892	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Cooling type	Passive	Passive
Power source type	ATX	ATX
Expansion slots1 differ
PCI Express x16 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	3	Unknown — not stated by the source
PCI Express slots versionDiffers	2.0, 3.0	2.0
PCI slots	1	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
BIOSidentical
BIOS type	UEFI	UEFI
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	2.0a	Unknown — not stated by the source
Clear CMOS jumper	Yes	Yes
Weight & dimensions2 differ
WidthDiffers	305 mm	226 mm
DepthDiffers	244 mm	216 mm
Packaging contentidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Number of processors supportedKnown for one	1	Unknown — not stated by the source
PCI Express slots quantityDiffers	4	2
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes

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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