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Product comparison · 2 laptops

ASUS K53SD-SX138D laptop Intel® Core™ i5 i5-2450M vs Lenovo ThinkPad X230T Intel® Core™ i5 i5-3320M Hybrid (2-in-1)

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  • 139specifications compared
  • 51differ
  • 88identical
  • 76known for one product only

Key differences

  • Product colour
    • Brown
    • Black
  • Form factor
    • Clamshell
    • Convertible (Swivel)
  • Display diagonal
    • 39.6 cm (15.6")
    • 31.8 cm (12.5")
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 3rd gen Intel® Core™ i5
  • Processor model
    • i5-2450M
    • i5-3320M
  • Processor boost frequency
    • 3.1 GHz
    • 3.3 GHz
  • Processor frequency
    • 2.5 GHz
    • 2.6 GHz
  • Processor lithography
    • 32 nm
    • 22 nm

Side by side

Differences highlightedShow differences only
215 specifications
A

ASUS

K53SD-SX138D laptop Intel® Core™ i5 i5-2450M

Model K53SD-SX138D

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B

Lenovo

ThinkPad X230T Intel® Core™ i5 i5-3320M Hybrid (2-in-1)

Model X230T

View product
Design2 differ
Product typeKnown for oneHybrid (2-in-1)
Product colourDiffersBrownBlack
Form factorDiffersClamshellConvertible (Swivel)
Display1 differ
Display diagonalDiffers39.6 cm (15.6")31.8 cm (12.5")
TouchscreenKnown for oneYes
HD typeKnown for oneHD
Touch technologyKnown for oneMulti-touch
Display brightnessKnown for one300 cd/m²
Contrast ratio (typical)Known for one500:1
Processor11 differ
Processor generationDiffers2nd gen Intel® Core™ i53rd gen Intel® Core™ i5
Processor modelDiffersi5-2450Mi5-3320M
Processor boost frequencyDiffers3.1 GHz3.3 GHz
Processor frequencyDiffers2.5 GHz2.6 GHz
L3 cacheKnown for one3 MB
L2 cacheKnown for one0.5 MB
Processor socketKnown for oneBGA 1023
Processor lithographyDiffers32 nm22 nm
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i5-3300 Mobile series
Processor codenameDiffersSandy BridgeIvy Bridge
SteppingDiffersJ1L1
TjunctionDiffers100 °C105 °C
PCI Express slots versionDiffers2.03.0
CPU multiplier (bus/core ratio)Differs2526
Memory2 differ
Memory clock speedDiffers1333 MHz1600 MHz
Memory layout (slots x size)Known for one1 x 4 GB
Memory slots (available)Known for one1
Maximum internal memoryDiffers8 GB16 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage4 differ
Total storage capacityDiffers750 GB180 GB
Storage mediaDiffersHDDSSD
Number of HDDs installedDiffers10
Number of SSDs installedKnown for one1
SSD capacityKnown for one180 GB
SSD interfaceKnown for oneSATA
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SDMMC, SD, SDHC, SDXC
HDD capacityKnown for one750 GB
HDD interfaceKnown for oneSATA
HDD sizeKnown for one2.5"
Optical drive typeKnown for oneDVD Super Multi
Graphics6 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 610MNot available
Graphics card familyDiffersIntel, NVIDIAIntel
On-board graphics card modelDiffersIntel® HD Graphics 3000Intel® HD Graphics 4000
On-board graphics card dynamic frequency (max)Differs1300 MHz1200 MHz
On-board graphics card IDDiffers0x1160x166
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
Audio1 differ
Audio systemDiffersSonicFocusDolby Advanced Audio 2.0
Built-in speaker(s)Known for oneYes
Built-in subwooferKnown for oneNo
Number of built-in speakersKnown for one2
Speakers manufacturerKnown for oneAltec Lansing
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Front camera resolution (numeric)Known for one0.3 MP
Optical driveidentical
LightScribeKnown for oneNo
Network3 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
2G standardsKnown for oneGPRS
3G standardsKnown for oneHSPA, HSPA+, WCDMA
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN, WWAN
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffersNoYes
Bluetooth versionKnown for one4.0
WWANKnown for oneInstalled
Wireless technologyKnown for one802.11 b/g/n
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Mini DisplayPorts quantityKnown for one0
Micro HDMI ports quantityKnown for one0
Mini VGA ports quantityKnown for one0
Combo headphone/mic portKnown for oneYes
Docking connectorKnown for oneYes
ExpressCard slotDiffersNoYes
S-Video portKnown for oneNo
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
USB 1.1 ports quantityKnown for one0
Line-inKnown for oneYes
Performance1 differ
Motherboard chipsetDiffersIntel® HM65 ExpressIntel® QM77 Express
Keyboard2 differ
Numeric keypadDiffersYesNo
Full-size keyboardDiffersYesNo
Windows keysKnown for oneYes
Keyboard layoutKnown for oneQWERTY
Software1 differ
Operating system installedDiffersFreeDOSWindows 7 Professional
Operating system architectureKnown for one64-bit
Drivers includedKnown for oneYes
Processor special features7 differ
Graphics & IMC lithographyDiffers32 nm22 nm
Intel Secure Key Technology versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Secure KeyKnown for oneYes
Processor ARK IDDiffers5345264896
Processor codeDiffersSR04ZSR0MY
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1023)
Conflict-Free processorDiffersNoYes
Battery1 differ
Battery capacityDiffers56 Wh62 Wh
Battery life (max)Known for one9 h
Poweridentical
AC adapter powerKnown for one90 W
AC adapter input voltageKnown for one100 - 240 V
AC adapter output currentKnown for one4.74 A
AC adapter output voltageKnown for one19 V
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
HDD user passwordKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.6 kg1.8 kg
WidthDiffers378 mm305 mm
DepthDiffers253 mm228.7 mm
HeightKnown for one31.3 mm
Width (imperial)Known for one30.5 cm (12")
Depth (imperial)Known for one22.9 cm (9")
Height (imperial)Known for one3.12 cm (1.23")
Height (front)Known for one3.3 cm
Height (rear)Known for one3.4 cm
Packaging contentidentical
Cables includedKnown for oneAC
Warranty cardKnown for oneYes
Other featuresidentical
Indication lightKnown for oneYes
Compliance industry standardsKnown for oneIEEE 802.3/802.3u/802.3ab
Power supply typeKnown for oneAC/DC
Supplied AC adapter typeKnown for oneAC

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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