Product comparison · 2 laptops

Fujitsu LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1) vs Fujitsu LIFEBOOK S781 Intel® Core™ i7 i7-2640M

131specifications compared
33differ
98identical
46known for one product only

Key differences

Product colour
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):Black, White
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Black, Silver
Form factor
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):Convertible (Swivel)
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Clamshell
Display diagonal
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):30.7 cm (12.1")
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:35.6 cm (14")
Processor family
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):Intel® Core™ i5
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Intel® Core™ i7
Processor generation
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):2nd gen Intel® Core™ i5
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2nd gen Intel® Core™ i7
Processor model
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):i5-2520M
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:i7-2640M
Processor boost frequency
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):3.2 GHz
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:3.5 GHz
Processor frequency
- LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1):2.5 GHz
- LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of 731, S781
177 specifications	A Fujitsu LIFEBOOK 731 Intel® Core™ i5 i5-2520M Hybrid (2-in-1) Model 731 View product	B Fujitsu LIFEBOOK S781 Intel® Core™ i7 i7-2640M Model S781 View product
Design2 differ
Product colourDiffers	Black, White	Black, Silver
Form factorDiffers	Convertible (Swivel)	Clamshell
Product typeKnown for one	Hybrid (2-in-1)	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	30.7 cm (12.1")	35.6 cm (14")
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	300:1
Display resolutionKnown for one	1280 x 800 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i7
Processor modelDiffers	i5-2520M	i7-2640M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.2 GHz	3.5 GHz
Processor frequencyDiffers	2.5 GHz	2.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2500 Mobile Series	Intel Core i7-2600 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 °C	100 C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x16, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	25	28
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i7
ECC supported by processor	No	No
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage3 differ
Total storage capacityDiffers	500 GB	128 GB
Storage mediaDiffers	HDD	SSD
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), SD	Memory Stick (MS), MS PRO, SD
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Maximum resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Graphics cardKnown for one	HD Graphics 3000	Unknown — not stated by the source
Audioidentical
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Audio system full duplexKnown for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	Realtek ALC269 HD	Unknown — not stated by the source
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Camera1 differ
Front camera resolution (numeric)Differs	2 MP	1.3 MP
Optical driveidentical
Disc types supportedKnown for one	Unknown — not stated by the source	CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Networkidentical
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Wi-Fi standards	802.11a, 802.11b, 802.11g	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	3.0+HS	3.0+HS
Data networkKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
TV-out	No	No
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysDiffers	84	85
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Keyboard keystrokeKnown for one	3 mm	Unknown — not stated by the source
Keyboard key pitchKnown for one	1.9 cm	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Bundled softwareKnown for one	PowerDirector Roxio Creator LJ CyberLink YouCam Adobe Acrobat Reader Fujitsu UpdateNavi	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	52229	53464
Processor codeDiffers	SR048	SR03R
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery2 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityDiffers	63 Wh	67 Wh
Battery life (max)Differs	6.5 h	10 h
Poweridentical
AC adapter power	80 W	80 W
AC adapter output currentKnown for one	Unknown — not stated by the source	4.22 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Password protection typeKnown for one	Unknown — not stated by the source	BIOS, Supervisor, User
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensions4 differ
WeightDiffers	2 kg	2.15 kg
WidthDiffers	297 mm	340 mm
DepthDiffers	233 mm	245 mm
HeightDiffers	39 mm	35 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Supplied AC adapter type	AC	AC

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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