Product comparison · 2 laptops

Fujitsu LIFEBOOK E751 Intel® Core™ i7 i7-2620M vs Fujitsu LIFEBOOK S751 Intel® Core™ i3 i3-2310M

142specifications compared
23differ
119identical
36known for one product only

Key differences

Display diagonal
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:39.6 cm (15.6")
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:35.6 cm (14")
Processor family
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:Intel® Core™ i7
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:Intel® Core™ i3
Processor generation
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:2nd gen Intel® Core™ i7
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:2nd gen Intel® Core™ i3
Processor model
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:i7-2620M
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:i3-2310M
Processor frequency
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:2.7 GHz
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:2.1 GHz
Processor cache
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:4 MB
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:3 MB
CPU multiplier (bus/core ratio)
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:27
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:21
Internal memory
- LIFEBOOK E751 Intel® Core™ i7 i7-2620M:4 GB
- LIFEBOOK S751 Intel® Core™ i3 i3-2310M:2 GB

Side by side

Differences highlightedShow differences only

Comparison of E751, S751
178 specifications	A Fujitsu LIFEBOOK E751 Intel® Core™ i7 i7-2620M Model E751 View product	B Fujitsu LIFEBOOK S751 Intel® Core™ i3 i3-2310M Model S751 View product
Designidentical
Product colourKnown for one	Black, Silver	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
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
Display brightness	220 cd/m²	220 cd/m²
Contrast ratio (typical)	300:1	300:1
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i3
Processor modelDiffers	i7-2620M	i3-2310M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.7 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i3-2300 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
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	27	21
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	320 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cards	Memory Stick (MS), MS PRO, SD	Memory Stick (MS), MS PRO, SD
Graphics1 differ
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)Differs	1300 MHz	1100 MHz
On-board graphics card ID	0x116	0x116
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Audioidentical
Number of built-in speakers	2	2
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Front cameraKnown for one	Unknown — not stated by the source	No
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyKnown for one	802.11 a/b/g/n	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
LAN controllerKnown for one	Intel® 82579V	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Ports & interfacesidentical
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantity	1	1
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 quantity	0	0
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Line-inKnown for one	Yes	Unknown — not stated by the source
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 slot	Yes	Yes
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
TV-out	No	No
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM65 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	No	Unknown — not stated by the source
Full-size keyboardDiffers	Yes	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysKnown for one	Unknown — not stated by the source	85
Keyboard keystrokeKnown for one	Unknown — not stated by the source	2.7 mm
Keyboard key pitchKnown for one	Unknown — not stated by the source	1.9 cm
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features7 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 TechnologyDiffers	Yes	No
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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
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™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52231	52220
Processor codeDiffers	SR041	SR04S
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cells	6	6
Battery capacity	5800 mAh	5800 mAh
Battery life (max)	10 h	10 h
Poweridentical
AC adapter power	80 W	80 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output current	4.22 A	4.22 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
Password protection typeKnown for one	BIOS, HDD, User	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Certificatesidentical
Compliance certificates	RoHS	RoHS
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	CE, WEEE, EPEAT
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions2 differ
WeightDiffers	2.5 kg	2.3 kg
WidthDiffers	372 mm	340 mm
Depth	245 mm	245 mm
Height	35 mm	35 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3/802.3u/802.3ab	IEEE 802.3/802.3u/802.3ab
Power supply type	AC/DC	AC/DC
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V

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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