Product comparison · 2 laptops

BenQ Joybook S57 vs Lenovo ThinkPad T400 + ThinkPad Port Replicator

93specifications compared
28differ
65identical
27known for one product only

Key differences

Display diagonal
- Joybook S57:39.6 cm (15.6")
- ThinkPad T400 + ThinkPad Port Replicator:35.8 cm (14.1")
Processor model
- Joybook S57:P8700
- ThinkPad T400 + ThinkPad Port Replicator:SP9400
Processor frequency
- Joybook S57:2.53 GHz
- ThinkPad T400 + ThinkPad Port Replicator:2.4 GHz
Processor cache
- Joybook S57:3 MB
- ThinkPad T400 + ThinkPad Port Replicator:6 MB
Processor socket
- Joybook S57:Socket 479
- ThinkPad T400 + ThinkPad Port Replicator:BGA 956
CPU multiplier (bus/core ratio)
- Joybook S57:9.5
- ThinkPad T400 + ThinkPad Port Replicator:9
Internal memory type
- Joybook S57:DDR2-SDRAM
- ThinkPad T400 + ThinkPad Port Replicator:DDR3-SDRAM
Memory clock speed
- Joybook S57:800 MHz
- ThinkPad T400 + ThinkPad Port Replicator:1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of Joybook S57, ThinkPad T400 + ThinkPad Port Replicator
120 specifications	A BenQ Joybook S57 View product	B Lenovo ThinkPad T400 + ThinkPad Port Replicator View product
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.8 cm (14.1")
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Processor6 differ
Processor modelDiffers	P8700	SP9400
Processor frequencyDiffers	2.53 GHz	2.4 GHz
Processor cacheDiffers	3 MB	6 MB
Processor socketDiffers	Socket 479	BGA 956
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo SP9000 Series
SteppingKnown for one	R0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	9.5	9
Memory2 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	800 MHz	1066 MHz
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	500 GB	250 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	AMD Mobility Radeon HD 4650	Intel® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Network1 differ
Bluetooth versionDiffers	2.0+EDR	2.1+EDR
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wireless technologyKnown for one	Unknown — not stated by the source	Intel 5300 AGN (3x3)
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputsDiffers	0	1
Microphone inDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
Modem (RJ-11) portsDiffers	1	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® PM45 Express	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Trial softwareKnown for one	Microsoft Office Professional 2007	Unknown — not stated by the source
Bundled softwareKnown for one	．Power DVD ．Power2Go ．QDataTrove3.0 ．Norton Internet Security 2009 ．Adobe Reader ．WebCam Companion 3.0 ．ArcSoft Miv2	Unknown — not stated by the source
Pre-installed softwareKnown for one	Unknown — not stated by the source	Windows Vista Business recovery Media
Processor special features4 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	37006	36693
Processor codeKnown for one	SLGFE	Unknown — not stated by the source
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Battery1 differ
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Differs	2.5 h	6.5 h
Poweridentical
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	2.4 kg	2.13 kg
Dimensions (WxDxH)Differs	260 x 35.5 x 380 mm	335.3 x 238 x 27.6 mm
WidthKnown for one	Unknown — not stated by the source	335.3 mm
DepthKnown for one	Unknown — not stated by the source	238 mm
HeightKnown for one	Unknown — not stated by the source	27.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Securityidentical
Fingerprint readerKnown 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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