Product comparison · 2 laptops

Acer eMachines E525-902G16Mi vs Lenovo ThinkPad T400s + ThinkPad Mini Dock Series 3

99specifications compared
38differ
61identical
23known for one product only

Key differences

Display diagonal
- eMachines E525-902G16Mi:39.6 cm (15.6")
- ThinkPad T400s + ThinkPad Mini Dock Series 3:35.8 cm (14.1")
Display resolution
- eMachines E525-902G16Mi:1366 x 768 pixels
- ThinkPad T400s + ThinkPad Mini Dock Series 3:1440 x 900 pixels
Native aspect ratio
- eMachines E525-902G16Mi:16:9
- ThinkPad T400s + ThinkPad Mini Dock Series 3:16:10
Processor family
- eMachines E525-902G16Mi:Intel® Celeron®
- ThinkPad T400s + ThinkPad Mini Dock Series 3:Intel® Core™2 Duo
Processor model
- eMachines E525-902G16Mi:900
- ThinkPad T400s + ThinkPad Mini Dock Series 3:SP9400
Processor cores
- eMachines E525-902G16Mi:1
- ThinkPad T400s + ThinkPad Mini Dock Series 3:2
Processor threads
- eMachines E525-902G16Mi:1
- ThinkPad T400s + ThinkPad Mini Dock Series 3:2
Processor frequency
- eMachines E525-902G16Mi:2.2 GHz
- ThinkPad T400s + ThinkPad Mini Dock Series 3:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of eMachines E525-902G16Mi, ThinkPad T400s + ThinkPad Mini Dock Series 3
122 specifications	A Acer eMachines E525-902G16Mi View product	B Lenovo ThinkPad T400s + ThinkPad Mini Dock Series 3 View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.8 cm (14.1")
Display resolutionDiffers	1366 x 768 pixels	1440 x 900 pixels
Native aspect ratioDiffers	16:9	16:10
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™2 Duo
Processor modelDiffers	900	SP9400
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	2.2 GHz	2.4 GHz
Processor cacheDiffers	1 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 900 Series for Mobile	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
TcaseKnown for one	105 °C	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Storage2 differ
Total storage capacityDiffers	160 GB	128 GB
Card reader integratedDiffers	Yes	No
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Ethernet, Fast Ethernet	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/g	IEEE 802.11a/g/n
BluetoothDiffers	No	Yes
Ports & interfaces4 differ
USB 2.0 ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	0	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows Vista Business
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	41498	36693
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	3 h	5.5 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	2.7 kg	1.63 kg
WidthDiffers	372.3 mm	335 mm
DepthDiffers	246.5 mm	238 mm
HeightKnown for one	Unknown — not stated by the source	32 mm
Height (front)Known for one	2.68 cm	Unknown — not stated by the source
Height (rear)Known for one	3.96 cm	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.90
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter type	AC	AC
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® GL40 Express	Unknown — not stated by the source

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.

More laptop comparisons

All laptop comparisons