Product comparison · 2 laptops

ASUS N51VF-A1 laptop Intel® Core™2 Duo T9550 vs ASUS N81VP-C1 laptop Intel® Core™2 Duo T9550

137specifications compared
12differ
125identical
10known for one product only

Key differences

Display diagonal
- N51VF-A1 laptop Intel® Core™2 Duo T9550:39.6 cm (15.6")
- N81VP-C1 laptop Intel® Core™2 Duo T9550:35.6 cm (14")
Optical drive type
- N51VF-A1 laptop Intel® Core™2 Duo T9550:DVD-RW
- N81VP-C1 laptop Intel® Core™2 Duo T9550:DVD Super Multi
Discrete graphics card model
- N51VF-A1 laptop Intel® Core™2 Duo T9550:NVIDIA® GeForce® GT 130M
- N81VP-C1 laptop Intel® Core™2 Duo T9550:AMD Radeon HD 4650
Graphics card family
- N51VF-A1 laptop Intel® Core™2 Duo T9550:NVIDIA
- N81VP-C1 laptop Intel® Core™2 Duo T9550:AMD
USB 2.0 ports quantity
- N51VF-A1 laptop Intel® Core™2 Duo T9550:3
- N81VP-C1 laptop Intel® Core™2 Duo T9550:5
Keyboard number of keys
- N51VF-A1 laptop Intel® Core™2 Duo T9550:88
- N81VP-C1 laptop Intel® Core™2 Duo T9550:87
Operating system installed
- N51VF-A1 laptop Intel® Core™2 Duo T9550:Windows Vista Home Premium
- N81VP-C1 laptop Intel® Core™2 Duo T9550:Windows Vista Business
Weight
- N51VF-A1 laptop Intel® Core™2 Duo T9550:2.95 kg
- N81VP-C1 laptop Intel® Core™2 Duo T9550:2.5 kg

Side by side

Differences highlightedShow differences only

Comparison of N51VF-A1, N81VP-C1
147 specifications	A ASUS N51VF-A1 laptop Intel® Core™2 Duo T9550 Model N51VF-A1 View product	B ASUS N81VP-C1 laptop Intel® Core™2 Duo T9550 Model N81VP-C1 View product
Designidentical
Product colour	Red, Stainless steel	Red, Stainless steel
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	T9550	T9550
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.66 GHz	2.66 GHz
Processor cache	6 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socket	Socket 479	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo T9000 Series	Intel Core 2 Duo T9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	E0	E0
Thermal Design Power (TDP)	35 W	35 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)	10	10
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	800 MHz	800 MHz
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacity	320 GB	320 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive typeDiffers	DVD-RW	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	Memory Stick (MS), MiniSD, MMC, MS PRO, MS PRO Duo, SD	Memory Stick (MS), MiniSD, MMC, MS PRO, MS PRO Duo, SD
Graphics2 differ
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 130M	AMD Radeon HD 4650
Graphics card familyDiffers	NVIDIA	AMD
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Maximum graphics card memory	1.024 GB	1.024 GB
Audioidentical
Audio systemKnown for one	Azalia	Unknown — not stated by the source
Audio system full duplex	Yes	Yes
Audio system direct 3D sound	Yes	Yes
Speakers manufacturerKnown for one	Unknown — not stated by the source	Altec Lansing
Networkidentical
Wi-Fi	Yes	Yes
Networking typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wireless technology	Wi-Fi	Wi-Fi
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	3	5
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 port	Yes	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	0	0
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® PM45 Express	Intel® PM45 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	Yes	Unknown — not stated by the source
Keyboard number of keysDiffers	88	87
Keyboard key pitch	1.9 cm	1.9 cm
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Trial software	Norton Internet Security 2008	Norton Internet Security 2008
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	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	No	No
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 ID	37130	37130
Processor code	SLGE4	SLGE4
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 cells	6	6
Battery capacity	4800 mAh	4800 mAh
Poweridentical
AC adapter power	90 W	90 W
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output current	4.7 A	4.7 A
AC adapter output voltage	16 V	16 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint reader	Yes	Yes
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Certificatesidentical
Certification	RoHS	RoHS
Weight & dimensions5 differ
WeightDiffers	2.95 kg	2.5 kg
WidthDiffers	369 mm	342 mm
DepthDiffers	276 mm	256 mm
Height (front)Differs	2.9 cm	3.6 cm
Height (rear)Differs	4.3 cm	3.72 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	Yes	Yes
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply type	AC/DC	AC/DC
Internal modem	No	No
TV tuner integrated	No	No
Supplied AC adapter type	AC	AC
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
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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