Product comparison · 2 laptops

ASUS K551LB-XX171 laptop Intel® Core™ i5 i5-4200U vs Fujitsu LIFEBOOK S904

134specifications compared
20differ
114identical
38known for one product only

Key differences

Display diagonal
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:39.6 cm (15.6")
- LIFEBOOK S904:33.8 cm (13.3")
Display resolution
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:1366 x 768 pixels
- LIFEBOOK S904:2560 x 1440 pixels
Touchscreen
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:No
- LIFEBOOK S904:Yes
Internal memory
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:8 GB
- LIFEBOOK S904:4 GB
Total storage capacity
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:750 GB
- LIFEBOOK S904:500 GB
Storage media
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:HDD
- LIFEBOOK S904:Hybrid-HDD
HDD capacity
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:750 GB
- LIFEBOOK S904:500 GB
Discrete graphics card
- K551LB-XX171 laptop Intel® Core™ i5 i5-4200U:Yes
- LIFEBOOK S904:No

Side by side

Differences highlightedShow differences only

Comparison of K551LB-XX171, LIFEBOOK S904
172 specifications	A ASUS K551LB-XX171 laptop Intel® Core™ i5 i5-4200U Model K551LB-XX171 View product	B Fujitsu LIFEBOOK S904 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black, Silver	Black, Silver
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	33.8 cm (13.3")
Display resolutionDiffers	1366 x 768 pixels	2560 x 1440 pixels
TouchscreenDiffers	No	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	350 cd/m²
HD typeKnown for one	Not supported	Unknown — not stated by the source
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	4th gen Intel® Core™ i5	4th gen Intel® Core™ i5
Processor model	i5-4200U	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	2.6 GHz	2.6 GHz
Processor frequency	1.6 GHz	1.6 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-4200 Mobile series	Intel Core i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	1x4, 2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacityDiffers	750 GB	500 GB
Storage mediaDiffers	HDD	Hybrid-HDD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	500 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Hybrid-HDD cache typeKnown for one	Unknown — not stated by the source	SSD
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	SD, SDHC	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4400	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1000 MHz	1000 MHz
On-board graphics card DirectX version	12	12
On-board graphics card ID	0xA16	0xA16
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Realtek ALC283
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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	4.0	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
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 quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectors	4	4
Number of SATA III connectors	4	4
Keyboard1 differ
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	Yes	No
Keyboard number of keysKnown for one	Unknown — not stated by the source	85
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	No	Windows 8.1 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Pre-installed softwareKnown for one	Unknown — not stated by the source	Adobe Reader
Processor special featuresidentical
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
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 Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	No	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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	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® High Definition Audio (Intel® HD Audio)	Yes	Yes
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® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	75459	75459
Processor code	SR170	SR170
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery capacityKnown for one	Unknown — not stated by the source	77 Wh
Poweridentical
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
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 - 85%
Weight & dimensions4 differ
WeightDiffers	2.21 kg	1.49 kg
WidthDiffers	380 mm	319 mm
DepthDiffers	258 mm	215 mm
HeightDiffers	21.2 mm	26.5 mm
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source

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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