Product comparison · 2 laptops

Samsung 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M vs Samsung 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M

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  • 136specifications compared
  • 40differ
  • 96identical
  • 51known for one product only

Key differences

  • Display diagonal
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:35.6 cm (14")
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:33.8 cm (13.3")
  • Display brightness
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:300 cd/m²
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:400 cd/m²
  • Processor family
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:Intel® Core™ i3
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:Intel® Core™ i7
  • Processor generation
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:2nd gen Intel® Core™ i3
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:2nd gen Intel® Core™ i7
  • Processor model
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:i3-2350M
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:i7-2637M
  • Processor frequency
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:2.3 GHz
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:1.7 GHz
  • Processor cache
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:3 MB
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:4 MB
  • Processor cache type
    • 4 NP400B4B-A02DE laptop Intel® Core™ i3 i3-2350M:Smart Cache
    • 9 NP900X3A-B0DUS laptop Intel® Core™ i7 i7-2637M:L3

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Comparison of NP400B4B-A02DE, NP900X3A-B0DUS
187 specifications
Designidentical
Product typeKnown for oneLaptopUnknown — not stated by the source
Product colourBlackBlack
Form factorClamshellClamshell
Market positioningKnown for oneBusinessUnknown — not stated by the source
Display2 differ
Display diagonalDiffers35.6 cm (14")33.8 cm (13.3")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeHDHD
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessDiffers300 cd/m²400 cd/m²
Display number of coloursKnown for oneUnknown — not stated by the source16.78 million colours
Processor12 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i32nd gen Intel® Core™ i7
Processor modelDiffersi3-2350Mi7-2637M
Processor cores22
Processor threads44
Processor frequencyDiffers2.3 GHz1.7 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeDiffersSmart CacheL3
Processor socketDiffersSocket 988BGA 1023
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i3-2300 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingJ1J1
Thermal Design Power (TDP)Differs35 W17 W
TjunctionDiffers85 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x8, 1x16, 2x4, 2x8
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs2317
ECC supported by processorNoNo
Processor boost frequencyKnown for oneUnknown — not stated by the source2.8 GHz
Memory1 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speedKnown for one1333 MHzUnknown — not stated by the source
Memory slotsKnown for one2x SO-DIMMUnknown — not stated by the source
Maximum internal memory8 GB8 GB
Storage4 differ
Total storage capacityDiffers500 GB128 GB
Storage mediaDiffersHDDSSD
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one500 GBUnknown — not stated by the source
HDD interfaceKnown for oneSATA IIUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
Optical drive typeDiffersDVD Super Multi DLNo
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC, xDMicroSD (TransFlash)
Number of SSDs installedKnown for oneUnknown — not stated by the source1
SSD capacityKnown for oneUnknown — not stated by the source128 GB
Graphics2 differ
On-board graphics cardYesYes
Discrete graphics cardKnown for oneNoUnknown — not stated by the source
Discrete graphics card modelKnown for oneNot availableUnknown — not stated by the source
Graphics card familyIntelIntel
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 3000Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers650 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz1200 MHz
On-board graphics card ID0x1160x116
Maximum resolutionKnown for one2048 x 1536 pixelsUnknown — not stated by the source
Audioidentical
Built-in speaker(s)YesYes
Number of built-in speakers22
Speaker power1.5 W1.5 W
Built-in microphoneKnown for oneYesUnknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)1.3 MP1.3 MP
Rear cameraNoNo
Front cameraKnown for oneUnknown — not stated by the sourceYes
Network1 differ
Wi-FiYesYes
Networking featuresGigabit Ethernet, WLANGigabit Ethernet, WLAN
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version3.0+HS3.0+HS
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Integrated 4G WiMAXYesYes
Ports & interfaces3 differ
USB 2.0 ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
eSATA/USB 2.0 ports quantityDiffers10
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityKnown for one1Unknown — not stated by the source
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portNoNo
Combo headphone/mic portKnown for oneNoUnknown — not stated by the source
Microphone inYesYes
Docking connectorKnown for oneYesUnknown — not stated by the source
ExpressCard slotDiffersYesNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Performanceidentical
Motherboard chipsetKnown for oneIntel® HM65 ExpressUnknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffersTouchpad + Pointing StickTouchpad
Numeric keypadNoNo
Keyboard number of keysDiffers8781
Windows keysKnown for oneYesUnknown — not stated by the source
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Keyboard layoutKnown for oneUnknown — not stated by the sourceQWERTY
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Trial softwareKnown for oneNorton Internet SecurityUnknown — not stated by the source
Bundled softwareKnown for oneAdobe Reader, Absolute Data Protection, AnyWeb, Battery Life Extender, Chargeable USB, CyberLink Media Solution, Cyberlink YouCam, Easy Content Share, Easy Display Manager, Easy File Share, Easy Network Manager, Easy Partition Manager, Easy SpeedUp Manager, FastBrowsing, Norton Online Backup, PhoneUnknown — not stated by the source
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography32 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers5343854618
Processor codeKnown for oneSR0DNUnknown — not stated by the source
Processor package sizeDiffers37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)31.0 x 24.0 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Battery3 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cells66
Battery capacityDiffers48 Wh6300 mAh
Battery voltageKnown for one11.1 VUnknown — not stated by the source
Battery life (max)Differs4.4 h7 h
Battery recharge timeKnown for one2.1 hUnknown — not stated by the source
Power1 differ
AC adapter powerDiffers60 W40 W
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Trusted Platform Module (TPM)YesYes
Password protection typeKnown for oneHDD, UserUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 45 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-32 - 60 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one30 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one50 - 95%Unknown — not stated by the source
Operating shockKnown for one122 GUnknown — not stated by the source
Non-operating shockKnown for one163 GUnknown — not stated by the source
Certificatesidentical
CertificationKnown for oneTCOUnknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffersEPEAT Gold, ENERGY STAREPEAT Gold
Weight & dimensions1 differ
WeightDiffers2.27 kg1.31 kg
WidthKnown for one334.8 mmUnknown — not stated by the source
DepthKnown for one236 mmUnknown — not stated by the source
Height (front)Known for one3.01 cmUnknown — not stated by the source
Height (rear)Known for one3.49 cmUnknown — not stated by the source
Width (imperial)Known for oneUnknown — not stated by the source32.8 cm (12.9")
Depth (imperial)Known for oneUnknown — not stated by the source22.6 cm (8.9")
Height (front) (imperial)Known for oneUnknown — not stated by the source1.57 cm (0.62")
Height (rear) (imperial)Known for oneUnknown — not stated by the source1.63 cm (0.64")
Packaging contentidentical
AC adapter includedYesYes
Cables includedKnown for oneYesUnknown — not stated by the source
Other featuresidentical
Infrared data portNoNo
3DKnown for oneNoUnknown — not stated by the source
Supplied AC adapter typeACAC
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo

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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