Product comparison · 2 laptops

Acer Aspire One D255E-13679 Intel Atom® N455 Netbook vs Lenovo IdeaPad U450 Intel® Celeron® SU2300

84specifications compared
35differ
49identical
57known for one product only

Key differences

Product colour
- Aspire One D255E-13679 Intel Atom® N455 Netbook:Black
- IdeaPad U450 Intel® Celeron® SU2300:Black, Brown
Display diagonal
- Aspire One D255E-13679 Intel Atom® N455 Netbook:25.6 cm (10.1")
- IdeaPad U450 Intel® Celeron® SU2300:35.6 cm (14")
Display resolution
- Aspire One D255E-13679 Intel Atom® N455 Netbook:1024 x 600 pixels
- IdeaPad U450 Intel® Celeron® SU2300:1366 x 768 pixels
Native aspect ratio
- Aspire One D255E-13679 Intel Atom® N455 Netbook:5:3
- IdeaPad U450 Intel® Celeron® SU2300:16:9
Processor family
- Aspire One D255E-13679 Intel Atom® N455 Netbook:Intel Atom®
- IdeaPad U450 Intel® Celeron® SU2300:Intel® Celeron®
Processor model
- Aspire One D255E-13679 Intel Atom® N455 Netbook:N455
- IdeaPad U450 Intel® Celeron® SU2300:SU2300
Processor cores
- Aspire One D255E-13679 Intel Atom® N455 Netbook:1
- IdeaPad U450 Intel® Celeron® SU2300:2
Processor frequency
- Aspire One D255E-13679 Intel Atom® N455 Netbook:1.66 GHz
- IdeaPad U450 Intel® Celeron® SU2300:1.2 GHz

Side by side

Differences highlightedShow differences only

Comparison of D255E-13679, U450
141 specifications	A Acer Aspire One D255E-13679 Intel Atom® N455 Netbook Model D255E-13679 View product	B Lenovo IdeaPad U450 Intel® Celeron® SU2300 Model U450 View product
Design1 differ
Product colourDiffers	Black	Black, Brown
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	25.6 cm (10.1")	35.6 cm (14")
Display resolutionDiffers	1024 x 600 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	5:3	16:9
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Atom®	Intel® Celeron®
Processor modelDiffers	N455	SU2300
Processor coresDiffers	1	2
Processor threads	2	2
Processor frequencyDiffers	1.66 GHz	1.2 GHz
Processor cacheDiffers	0.512 MB	1 MB
Processor cache type	L2	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketDiffers	BGA 559	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Atom N400 Series	Intel Celeron Processor SU2000 Series for Mobile
Processor codenameDiffers	Pineview	Penryn
Bus typeDiffers	DMI	FSB
FSB ParityDiffers	No	Yes
SteppingDiffers	A0	R0
Thermal Design Power (TDP)Differs	6.5 W	10 W
Tjunction	100 °C	100 °C
Number of Processing Die TransistorsDiffers	123 M	410 M
Processing Die sizeDiffers	66 mm²	107 mm²
ECC supported by processor	No	No
CPU multiplier (bus/core ratio)Known for one	10	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storageidentical
Total storage capacity	250 GB	250 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	No
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HDA
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Camera1 differ
Front camera resolution (numeric)Differs	0.3 MP	1.3 MP
Network3 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet	Gigabit Ethernet
Wireless technologyDiffers	802.11b/g/n	Wi-Fi
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inKnown for one	Unknown — not stated by the source	Yes
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	Windows 7 Starter	Windows 7 Home Premium
Operating system architecture	32-bit	32-bit
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable BitDiffers	Yes	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 Technology	No	No
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)Differs	Yes	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	49491	42779
Processor codeDiffers	SLBX9	SLGSB
Processor package size	22 x 22 mm	22 x 22 mm
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Supported instruction setsKnown for one	SSE2, SSE3, SSSE3	Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers	6	4
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Known for one	8 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	40 W	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	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	1.25 kg	2.1 kg
WidthDiffers	259 mm	338 mm
DepthDiffers	185 mm	239 mm
Height (front)Known for one	Unknown — not stated by the source	1.8 cm
Height (rear)Known for one	Unknown — not stated by the source	2.53 cm
HeightKnown for one	24 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Supplied AC adapter type	AC	AC
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	200 MHz	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel NM10	Unknown — not stated by the source
GPS (satellite)Known for one	No	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	WEEE	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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.

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