Product comparison · 2 laptops

ASUS K53SD Intel® Core™ i5 i5-2450M vs ASUS SG-XS71 Intel® Core™ i7 i7-2620M

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  • 139specifications compared
  • 30differ
  • 109identical
  • 25known for one product only

Key differences

  • Display diagonal
    • K53SD Intel® Core™ i5 i5-2450M:39.6 cm (15.6")
    • SG-XS71 Intel® Core™ i7 i7-2620M:33.8 cm (13.3")
  • Processor family
    • K53SD Intel® Core™ i5 i5-2450M:Intel® Core™ i5
    • SG-XS71 Intel® Core™ i7 i7-2620M:Intel® Core™ i7
  • Processor generation
    • K53SD Intel® Core™ i5 i5-2450M:2nd gen Intel® Core™ i5
    • SG-XS71 Intel® Core™ i7 i7-2620M:2nd gen Intel® Core™ i7
  • Processor model
    • K53SD Intel® Core™ i5 i5-2450M:i5-2450M
    • SG-XS71 Intel® Core™ i7 i7-2620M:i7-2620M
  • Processor boost frequency
    • K53SD Intel® Core™ i5 i5-2450M:3.1 GHz
    • SG-XS71 Intel® Core™ i7 i7-2620M:3.4 GHz
  • Processor frequency
    • K53SD Intel® Core™ i5 i5-2450M:2.5 GHz
    • SG-XS71 Intel® Core™ i7 i7-2620M:2.7 GHz
  • Processor cache
    • K53SD Intel® Core™ i5 i5-2450M:3 MB
    • SG-XS71 Intel® Core™ i7 i7-2620M:4 MB
  • CPU multiplier (bus/core ratio)
    • K53SD Intel® Core™ i5 i5-2450M:25
    • SG-XS71 Intel® Core™ i7 i7-2620M:27

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Comparison of K53SD, SG-XS71
164 specifications
Designidentical
Product colourKnown for oneUnknown — not stated by the sourceBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")33.8 cm (13.3")
Display resolution1366 x 768 pixels1366 x 768 pixels
LED backlightYesYes
Native aspect ratio16:916:9
Processor8 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2450Mi7-2620M
Processor cores22
Processor threads44
Processor boost frequencyDiffers3.1 GHz3.4 GHz
Processor frequencyDiffers2.5 GHz2.7 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1023
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingJ1J1
Thermal Design Power (TDP)35 W35 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 2x8, 1x8+2x41x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs2527
ECC supported by processorNoNo
Memory1 differ
Internal memoryDiffers6 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Storage4 differ
Total storage capacityDiffers750 GB160 GB
Storage mediaDiffersHDDSSD
Number of SSDs installedKnown for oneUnknown — not stated by the source1
SSD capacityKnown for oneUnknown — not stated by the source160 GB
SSD interfaceKnown for oneUnknown — not stated by the sourceSATA
Optical drive typeDiffersDVD Super Multi DLNo
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SDMemory Stick (MS), MMC, MS PRO, SD, xD
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one750 GBUnknown — not stated by the source
HDD interfaceKnown for oneSATAUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
Graphicsidentical
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelNVIDIA® GeForce® 610MNVIDIA® GeForce® 610M
Graphics card familyIntel, NVIDIAIntel, NVIDIA
Discrete graphics memory typeGDDR3GDDR3
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 frequency650 MHz650 MHz
On-board graphics card dynamic frequency (max)1300 MHz1300 MHz
On-board graphics card ID0x1160x116
Number of discrete graphics cards11
Discrete graphics card memoryKnown for one2 GBUnknown — not stated by the source
Audioidentical
Audio systemSonicFocusSonicFocus
Built-in speaker(s)YesYes
Built-in microphoneYesYes
Number of built-in speakersKnown for one2Unknown — not stated by the source
Speakers manufacturerKnown for oneAltec LansingUnknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)0.3 MP0.3 MP
Optical driveidentical
LightScribeNoNo
Network1 differ
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 4 (802.11n)Wi-Fi 4 (802.11n)
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothDiffersNoYes
Bluetooth versionKnown for oneUnknown — not stated by the source3.0+HS
Cabling technologyKnown for oneUnknown — not stated by the source10/100/1000Base-T(X)
Integrated 4G WiMAXYesYes
Ports & interfaces1 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
eSATA/USB 2.0 ports quantity00
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 quantity11
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portDiffersNoYes
Line-inKnown for oneUnknown — not stated by the sourceYes
Microphone inYesYes
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Headphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
Microphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
TV-outKnown for oneNoUnknown — not stated by the source
Performanceidentical
Motherboard chipsetIntel® HM65 ExpressIntel® HM65 Express
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Operating system architecture64-bit64-bit
Processor special features5 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)YesYes
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® Turbo Boost Technology2.02.0
Processor ARK IDDiffers5345252231
Processor codeDiffersSR04ZSR041
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers68
Battery capacityDiffers56 Wh83 Wh
Power2 differ
AC adapter powerDiffers90 W75 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentDiffers4.74 A3.95 A
AC adapter output voltage19 V19 V
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Weight & dimensions3 differ
WeightDiffers2.6 kg1.66 kg
WidthDiffers378 mm238 mm
DepthDiffers253 mm328 mm
HeightKnown for oneUnknown — not stated by the source19 mm
Height (front)Known for one3.31 cmUnknown — not stated by the source
Height (rear)Known for one3.49 cmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Infrared data portNoNo
Supplied AC adapter typeKnown for oneUnknown — not stated by the sourceAC

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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