Product comparison · 2 laptops

Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop vs NEC LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop

140specifications compared
49differ
91identical
38known for one product only

Key differences

Product colour
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:Black
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:Black, White
Processor family
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:Intel® Core™ i5
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:Intel® Celeron®
Processor model
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:i5-4200U
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:2957U
Processor threads
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:4
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:2
Processor frequency
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:1.6 GHz
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:1.4 GHz
Processor cache
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:3 MB
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:2 MB
Stepping
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:C0
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:D0
Maximum number of PCI Express lanes
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:12
- LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop:10

Side by side

Differences highlightedShow differences only

Comparison of Z50, LS150/SS-J
178 specifications	A Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop Model Z50 View product	B NEC LaVie S LS150/SS-J Intel® Celeron® 2957U Laptop Model LS150/SS-J View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Black, White
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Celeron®
Processor modelDiffers	i5-4200U	2957U
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	1.6 GHz	1.4 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	3 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 i5-4200 Mobile series	Intel Celeron Processor 2000 Series for Mobile
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	C0	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	1x4, 2x4	4x1, 1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.6 GHz	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
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 memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage4 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 interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	SD, SDHC, SDXC
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 840M	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1000 MHz	1000 MHz
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
On-board graphics card IDKnown for one	0xA16	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Home Theater	High Definition Audio
Number of built-in speakers	2	2
Speaker power	1.5 W	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.92 MP
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
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
4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	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 quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
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
Total number of SATA connectorsDiffers	4	2
Number of SATA III connectorsDiffers	4	2
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel HM76 Express	Intel® HM87
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Numeric keypad	Yes	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
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 Technology	No	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 Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
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 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)Differs	Yes	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	75459	78942
Processor codeDiffers	SR170	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
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 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
Weight & dimensions3 differ
Weight	2.5 kg	2.5 kg
WidthDiffers	375 mm	385.6 mm
DepthDiffers	263 mm	258 mm
HeightDiffers	25.4 mm	22.6 mm
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
AC adapter included	Yes	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	4	Unknown — not stated by the source
Battery life (max)Known for one	5 h	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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