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Product comparison · 2 laptops

BenQ Joybook Lite U121 Eco vs BenQ Joybook S57

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  • 51specifications compared
  • 20differ
  • 31identical
  • 62known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 39.6 cm (15.6")
  • Processor family
    • Intel Atom®
    • Intel® Core™2 Duo
  • Internal memory
    • 1 GB
    • 2 GB
  • Memory layout (slots x size)
    • 1 x 1 GB
    • 1 x 2 GB
  • Maximum internal memory
    • 2 GB
    • 4 GB
  • Total storage capacity
    • 160 GB
    • 500 GB
  • Discrete graphics card model
    • Intel® GMA 500
    • AMD Mobility Radeon HD 4650
  • Bluetooth version
    • 2.1+EDR
    • 2.0+EDR

Side by side

Differences highlightedShow differences only
113 specifications
A

BenQ

Joybook Lite U121 EcoView product
B

BenQ

Joybook S57View product
Display1 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
Native aspect ratio16:916:9
Display response rise/fallKnown for one8 ms
Processor1 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Atom®Intel® Core™2 Duo
Processor modelKnown for oneP8700
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyKnown for one2.53 GHz
Processor cacheKnown for one3 MB
Processor cache typeKnown for oneL2
Processor front side busKnown for one1066 MHz
Processor socketKnown for oneSocket 479
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core 2 Duo P8000 Series
Processor codenameKnown for onePenryn
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
SteppingKnown for oneR0
Thermal Design Power (TDP)Known for one25 W
TjunctionKnown for one105 °C
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
CPU multiplier (bus/core ratio)Known for one9.5
ECC supported by processorKnown for oneNo
Memory3 differ
Internal memoryDiffers1 GB2 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory clock speedKnown for one800 MHz
Memory layout (slots x size)Differs1 x 1 GB1 x 2 GB
Maximum internal memoryDiffers2 GB4 GB
Storage1 differ
Total storage capacityDiffers160 GB500 GB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Card reader integratedYesYes
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersIntel® GMA 500AMD Mobility Radeon HD 4650
Audioidentical
Number of built-in speakers22
Speaker power2 W2 W
Network1 differ
BluetoothYesYes
Bluetooth versionDiffers2.1+EDR2.0+EDR
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers34
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers01
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Headphone outputsDiffers10
S/PDIF out portNoNo
Microphone inDiffersYesNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Modem (RJ-11) portsDiffers01
TV-in portNoNo
TV-outNoNo
PS/2 ports quantity00
Parallel ports quantity00
Serial ports quantity00
Line-inKnown for oneYes
Performance1 differ
Motherboard chipsetDiffersIntel® SCH US15WIntel® PM45 Express
Software1 differ
Operating system installedDiffersWindows XP Home EditionWindows Vista Business
Trial softwareKnown for oneMicrosoft Office Professional 2007
Bundled softwareKnown for one．Power DVD ．Power2Go ．QDataTrove3.0 ．Norton Internet Security 2009 ．Adobe Reader ．WebCam Companion 3.0 ．ArcSoft Miv2
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one37006
Processor codeKnown for oneSLGFE
Processor package sizeKnown for one35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Battery3 differ
Number of battery cellsDiffers36
Battery capacityDiffers2600 mAh4400 mAh
Battery life (max)Differs4 h2.5 h
Poweridentical
DC-in jackYesYes
Weight & dimensions2 differ
WeightDiffers1.3 kg2.4 kg
Dimensions (WxDxH)Differs209 x 26.4 x 290 mm260 x 35.5 x 380 mm
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Internal modemYesYes
Modem speedKnown for one56 Kbit/s
Supplied AC adapter typeACAC
Designidentical
Product colourKnown for oneBlue
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP

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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