Product comparison · 2 laptops

Lenovo T420 + 73Y2650 vs Samsung N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M

116specifications compared
27differ
89identical
36known for one product only

Key differences

Display diagonal
- T420 + 73Y2650:35.6 cm (14")
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:31.8 cm (12.5")
Processor model
- T420 + 73Y2650:i5-2410M
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:i5-2520M
Processor boost frequency
- T420 + 73Y2650:2.9 GHz
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:3.2 GHz
Processor frequency
- T420 + 73Y2650:2.3 GHz
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:2.5 GHz
Processor socket
- T420 + 73Y2650:BGA 1023
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:Socket 988
PCI Express configurations
- T420 + 73Y2650:1x8, 1x16, 2x4, 2x8
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:1x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)
- T420 + 73Y2650:23
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:25
Discrete graphics card model
- T420 + 73Y2650:Intel® HD Graphics 3000
- N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M:Intel® HD Graphics

Side by side

Differences highlightedShow differences only

Comparison of T420 + 73Y2650, NP400B2B-A01US
152 specifications	A Lenovo T420 + 73Y2650 View product	B Samsung N NP400B2B-A01US laptop Intel® Core™ i5 i5-2520M Model NP400B2B-A01US View product
Display1 differ
Display diagonalDiffers	35.6 cm (14")	31.8 cm (12.5")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	300:1	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor modelDiffers	i5-2410M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.9 GHz	3.2 GHz
Processor frequencyDiffers	2.3 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1023	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i5-2500 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 configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	23	25
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storageidentical
Total storage capacity	320 GB	320 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speed	7200 RPM	7200 RPM
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics
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	1200 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Audio1 differ
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Number of built-in speakers	2	2
Speaker powerDiffers	1 W	1.5 W
Networkidentical
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Integrated 4G WiMAX	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	3	2
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
TV-out	No	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® QM67 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
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	No	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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	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™	No	No
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	52224	52229
Processor package sizeDiffers	37.5x37.5 (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
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Processor codeKnown for one	Unknown — not stated by the source	SR048
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	9 h	7.4 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	IBM	Kensington
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	2.17 kg	1.74 kg
WidthDiffers	340.5 mm	302.3 mm
DepthDiffers	233 mm	223.5 mm
Height (front)Known for one	3.01 cm	Unknown — not stated by the source
Height (rear)Known for one	3.05 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	28.2 mm
Other featuresidentical
Infrared data port	No	No
Internal modemKnown for one	Yes	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes

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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