Product comparison · 2 laptops

Dell Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop vs NEC LaVie S LS150/SSB Intel® Celeron® 2957U Laptop

146specifications compared
49differ
97identical
59known for one product only

Key differences

Product colour
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:Silver
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:Black
Display diagonal
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:35.6 cm (14")
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:39.6 cm (15.6")
Touchscreen
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:Yes
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:No
Processor family
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:Intel® Core™ i7
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:Intel® Celeron®
Processor model
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:I7-4510U
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:2957U
Processor threads
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:4
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:2
Processor frequency
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:2 GHz
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:1.4 GHz
Processor cache
- Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop:4 MB
- LaVie S LS150/SSB Intel® Celeron® 2957U Laptop:2 MB

Side by side

Differences highlightedShow differences only

Comparison of 5447, LS150/SSB
205 specifications	A Dell Inspiron 5447 Intel® Core™ i7 I7-4510U Laptop Model 5447 View product	B NEC LaVie S LS150/SSB Intel® Celeron® 2957U Laptop Model LS150/SSB View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Silver	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenDiffers	Yes	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Pixel pitchKnown for one	0.2265 x 0.2265 mm	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	HD
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Celeron®
Processor generationKnown for one	4th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	I7-4510U	2957U
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2 GHz	1.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	2 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 seriesDiffers	Intel Core i7-4500 Mobile series	Intel Celeron Processor 2000 Series for Mobile
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	D0	D0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	10
PCI Express configurationsDiffers	4x1, 2x4	4x1, 1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	2 x 4 GB	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	1 TB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	750 GB
HDD interfaceDiffers	SATA III	SATA
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MS PRO, SD, SDHC, SDXC	SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	11.2/12	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card IDKnown for one	0xA16	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card memoryKnown for one	Unknown — not stated by the source	1.792 GB
Maximum resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Audio2 differ
Audio systemDiffers	MaxxAudio	HD
Number of built-in speakers	2	2
Speakers manufacturerDiffers	Waves	Conexant
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	0.92 MP	Unknown — not stated by the source
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Swivel webcamKnown for one	Unknown — not stated by the source	No
Rear cameraKnown for one	Unknown — not stated by the source	No
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces2 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	No	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
Number of SATA III connectorsDiffers	4	2
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Keyboard1 differ
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	No	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysKnown for one	Unknown — not stated by the source	105
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
Trial softwareDiffers	Microsoft Office	Microsoft Office Home & Business 2013
Bundled softwareKnown for one	McAfee LiveSafe 1YR	Unknown — not stated by the source
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
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 TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
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)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® High Definition Audio (Intel® HD Audio)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	81015	78942
Processor codeDiffers	SR1EB	SR1DV
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel® OS GuardKnown for one	Unknown — not stated by the source	No
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
UARTKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	3	Unknown — not stated by the source
Battery capacityKnown for one	43.5 Wh	Unknown — not stated by the source
Battery voltageKnown for one	11.10 V	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Battery recharge timeKnown for one	Unknown — not stated by the source	2.8 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentKnown for one	3.34 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 35 °C	5 - 35 °C
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	10 - 90%	20 - 80%
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source
Operating shockKnown for one	110 G	Unknown — not stated by the source
Non-operating shockKnown for one	160 G	Unknown — not stated by the source
Operating vibrationKnown for one	0.66 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	1.30 G	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Silver, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.05 kg	2.4 kg
WidthDiffers	342 mm	385.6 mm
DepthDiffers	246 mm	258 mm
HeightDiffers	22 mm	22.6 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Home office	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM87

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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