Product comparison · 2 motherboards

GIGABYTE GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX vs GIGABYTE GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX

33specifications compared
14differ
19identical
31known for one product only

Key differences

USB 2.0 connectors
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:12
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:2
Number of SATA connectors
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:8
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:4
USB 2.0 ports quantity
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:8
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:4
Firewire (IEEE 1394) ports
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:2
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:0
VGA (D-Sub) ports quantity
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:0
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:1
Headphone outputs
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:6
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:1
LAN controller
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:Realtek RTL8111C
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:Realtek RTL8101E
Motherboard form factor
- GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX:ATX
- GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX:micro ATX

Side by side

Differences highlightedShow differences only

Comparison of GA-EP45-UD3R, GA-G31M-S2C
64 specifications	A GIGABYTE GA-EP45-UD3R motherboard Intel® P45 LGA 775 (Socket T) ATX Model GA-EP45-UD3R View product	B GIGABYTE GA-G31M-S2C motherboard LGA 775 (Socket T) micro ATX Model GA-G31M-S2C View product
Processoridentical
Compatible processor seriesKnown for one	Intel® Celeron®, Intel® Pentium® 4, Intel® Pentium® 4 Extreme Edition, Intel® Pentium® D, Intel® Pentium® Extreme Edition	Unknown — not stated by the source
Memoryidentical
Supported memory typesKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Supported memory clock speedsKnown for one	677,800,1066 MHz	Unknown — not stated by the source
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive interfacesKnown for one	IDE, SATA II	Unknown — not stated by the source
RAID levelsKnown for one	1, 5, 10	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers	12	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	0	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	0	Unknown — not stated by the source
Number of SATA II connectorsKnown for one	8	Unknown — not stated by the source
Number of SATA connectorsDiffers	8	4
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	3	Unknown — not stated by the source
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	8	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsDiffers	2	0
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputsDiffers	6	1
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Network1 differ
LAN controllerDiffers	Realtek RTL8111C	Realtek RTL8101E
Networking featuresKnown for one	10/100/1000 Mbit	Unknown — not stated by the source
Features4 differ
Component forKnown for one	PC	Unknown — not stated by the source
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset familyKnown for one	Intel	Unknown — not stated by the source
Motherboard chipsetKnown for one	Intel® P45	Unknown — not stated by the source
Audio chipDiffers	Realtek ALC889A	Realtek ALC662
Audio output channelsDiffers	7.1 channels	5.1 channels
Compatible operating systemsDiffers	Microsoft Windows Vista, XP	Microsoft Windows Vista/XP
Expansion slots1 differ
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Expansion slotsDiffers	3 x PCI	1 x PCI Express x16 slot 1 x PCI Express x1 slot 2 x PCI slots
BIOSidentical
BIOS typeKnown for one	AWARD	Unknown — not stated by the source
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	244 mm	193 mm
Packaging contentidentical
Trial softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Other featuresidentical
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	ATA-100/66/33
Controller interface typeKnown for one	Unknown — not stated by the source	SATA

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