Product comparison · 2 laptops

Fujitsu LIFEBOOK S781 Intel® Core™ i7 i7-2640M vs Fujitsu ESPRIMO Mobile V Series V6555 Intel® Celeron® 900

107specifications compared
59differ
48identical
74known for one product only

Key differences

Display diagonal
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:35.6 cm (14")
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:39.1 cm (15.4")
Processor family
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Intel® Core™ i7
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:Intel® Celeron®
Processor model
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:i7-2640M
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:900
Processor cores
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:1
Processor threads
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:4
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:1
Processor frequency
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2.8 GHz
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:2.2 GHz
Processor cache
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:4 MB
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:1 MB
Processor cache type
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Smart Cache
- ESPRIMO Mobile V Series V6555 Intel® Celeron® 900:L2

Side by side

Differences highlightedShow differences only

Comparison of S781, V6555
181 specifications	A Fujitsu LIFEBOOK S781 Intel® Core™ i7 i7-2640M Model S781 View product	B Fujitsu ESPRIMO Mobile V Series V6555 Intel® Celeron® 900 Model V6555 View product
Designidentical
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.1 cm (15.4")
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	300:1	Unknown — not stated by the source
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 800 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
External displayKnown for one	Unknown — not stated by the source	No
Processor12 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Celeron®
Processor generationKnown for one	2nd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-2640M	900
Processor coresDiffers	2	1
Processor threadsDiffers	4	1
Processor boost frequencyKnown for one	3.5 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.8 GHz	2.2 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	1 MB
Processor cache typeDiffers	Smart Cache	L2
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Celeron Processor 900 Series for Mobile
Processor codenameDiffers	Sandy Bridge	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	J1	R0
TjunctionKnown for one	100 C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	28	Unknown — not stated by the source
Compatible processor seriesKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketKnown for one	Unknown — not stated by the source	LGA 3647 (Socket P)
TcaseKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
Memory3 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedDiffers	1333 MHz	800 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	128 GB	250 GB
Storage mediaKnown for one	SSD	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	Memory Stick (MS), MS PRO, SD	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics3 differ
On-board graphics cardDiffers	Yes	No
Graphics card familyDiffers	Intel	NVIDIA
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Not available
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1300 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Maximum resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA GeForce 8200M G
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Audio system full duplexKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	HD
Optical driveidentical
Disc types supportedKnown for one	CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW	Unknown — not stated by the source
Network2 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Data networkKnown for one	Yes	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces4 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	0
DisplayPorts quantityDiffers	1	0
Docking connectorDiffers	Yes	No
SmartCard slotDiffers	Yes	No
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel® QM67 Express	NVIDIA MCP79MVL
Keyboardidentical
Numeric keypadKnown for one	No	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard number of keysKnown for one	85	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Basic
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features23 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	53464	41498
Processor codeKnown for one	SR03R	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	35 x 35 mm
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityDiffers	67 Wh	48 Wh
Battery life (max)Differs	10 h	2.5 h
Power1 differ
AC adapter powerDiffers	80 W	65 W
AC adapter output currentKnown for one	4.22 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	20 - 80%	20 - 85%
Weight & dimensions3 differ
WeightDiffers	2.15 kg	2.7 kg
WidthDiffers	340 mm	360 mm
DepthDiffers	245 mm	260 mm
HeightKnown for one	35 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	2.2 cm
Height (rear)Known for one	Unknown — not stated by the source	3.7 cm
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Power requirementsKnown for one	100 - 240V	Unknown — not stated by the source
3DKnown for one	Unknown — not stated by the source	No
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	CB, CE

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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