Product comparison · 2 laptops

ASUS B50A-B2 laptop Intel® Core™2 Duo P8600 vs ASUS M51A-B1 laptop Intel® Core™2 Duo P8400

127specifications compared
20differ
107identical
22known for one product only

Key differences

Product colour
- B50A-B2 laptop Intel® Core™2 Duo P8600:Black
- M51A-B1 laptop Intel® Core™2 Duo P8400:Black, Silver
Display resolution
- B50A-B2 laptop Intel® Core™2 Duo P8600:1440 x 900 pixels
- M51A-B1 laptop Intel® Core™2 Duo P8400:1280 x 800 pixels
Processor model
- B50A-B2 laptop Intel® Core™2 Duo P8600:P8600
- M51A-B1 laptop Intel® Core™2 Duo P8400:P8400
Processor frequency
- B50A-B2 laptop Intel® Core™2 Duo P8600:2.4 GHz
- M51A-B1 laptop Intel® Core™2 Duo P8400:2.26 GHz
Processor socket
- B50A-B2 laptop Intel® Core™2 Duo P8600:Socket 479
- M51A-B1 laptop Intel® Core™2 Duo P8400:Socket 478
Stepping
- B50A-B2 laptop Intel® Core™2 Duo P8600:R1
- M51A-B1 laptop Intel® Core™2 Duo P8400:M0
CPU multiplier (bus/core ratio)
- B50A-B2 laptop Intel® Core™2 Duo P8600:9
- M51A-B1 laptop Intel® Core™2 Duo P8400:8.5
Internal memory
- B50A-B2 laptop Intel® Core™2 Duo P8600:3 GB
- M51A-B1 laptop Intel® Core™2 Duo P8400:2 GB

Side by side

Differences highlightedShow differences only

Comparison of B50A-B2, M51A-B1
149 specifications	A ASUS B50A-B2 laptop Intel® Core™2 Duo P8600 Model B50A-B2 View product	B ASUS M51A-B1 laptop Intel® Core™2 Duo P8400 Model M51A-B1 View product
Design1 differ
Product colourDiffers	Black	Black, Silver
Display1 differ
Display diagonal	39.1 cm (15.4")	39.1 cm (15.4")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor5 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8600	P8400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.4 GHz	2.26 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	R1	M0
Thermal Design Power (TDP)	25 W	25 W
Tjunction	105 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	9	8.5
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	800 MHz	800 MHz
Memory layout (slots x size)Known for one	1 x 1 + 1 x 2 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage2 differ
Total storage capacity	250 GB	250 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MiniSD, MMC, MS PRO, MS PRO Duo, SD	Memory Stick (MS), MiniSD, MMC, MS Duo, MS PRO, MS PRO Duo, SD
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® GMA X4500HD
Graphics card family	Intel	Intel
Audioidentical
Audio system	Azalia	Azalia
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Audio system full duplex	Yes	Yes
Audio system direct 3D sound	Yes	Yes
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wireless technology	Wi-Fi	Wi-Fi
Bluetooth	Yes	Yes
Bluetooth versionDiffers	2.1+EDR	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portDiffers	No	Yes
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Performanceidentical
Motherboard chipset	Intel® GM45 Express	Intel® GM45 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysKnown for one	Unknown — not stated by the source	88
Keyboard key pitchKnown for one	Unknown — not stated by the source	1.9 cm
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Trial softwareKnown for one	Norton Internet Security 2008	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	35568	35569
Processor codeDiffers	SLGDZ	SL3BU
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cellsKnown for one	8	Unknown — not stated by the source
Battery capacityKnown for one	5200 mAh	Unknown — not stated by the source
Power2 differ
AC adapter powerDiffers	65 W	90 W
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	3.42 A	4.7 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Weight & dimensions1 differ
WeightDiffers	3 kg	2.95 kg
Dimensions (WxDxH)Known for one	365 x 273 x 38.2 mm	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	365 mm
DepthKnown for one	Unknown — not stated by the source	269 mm
Height (front)Known for one	Unknown — not stated by the source	2.8 cm
Height (rear)Known for one	Unknown — not stated by the source	4 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
TV tuner integrated	No	No
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	V.92	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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