Product comparison · 2 laptops

Acer Aspire One D255 Intel Atom® N450 Netbook vs HP ProBook 6550b + NZ223AA

91specifications compared
50differ
41identical
54known for one product only

Key differences

Display diagonal
- Aspire One D255 Intel Atom® N450 Netbook:25.6 cm (10.1")
- ProBook 6550b + NZ223AA:39.6 cm (15.6")
Display resolution
- Aspire One D255 Intel Atom® N450 Netbook:1024 x 600 pixels
- ProBook 6550b + NZ223AA:1366 x 768 pixels
Native aspect ratio
- Aspire One D255 Intel Atom® N450 Netbook:5:3
- ProBook 6550b + NZ223AA:16:9
Processor family
- Aspire One D255 Intel Atom® N450 Netbook:Intel Atom®
- ProBook 6550b + NZ223AA:Intel® Core™ i3
Processor model
- Aspire One D255 Intel Atom® N450 Netbook:N450
- ProBook 6550b + NZ223AA:i3-370M
Processor cores
- Aspire One D255 Intel Atom® N450 Netbook:1
- ProBook 6550b + NZ223AA:2
Processor threads
- Aspire One D255 Intel Atom® N450 Netbook:2
- ProBook 6550b + NZ223AA:4
Processor frequency
- Aspire One D255 Intel Atom® N450 Netbook:1.66 GHz
- ProBook 6550b + NZ223AA:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of D255, ProBook 6550b + NZ223AA
145 specifications	A Acer Aspire One D255 Intel Atom® N450 Netbook Model D255 View product	B HP ProBook 6550b + NZ223AA View product
Designidentical
Country of originKnown for one	Unknown — not stated by the source	China
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	25.6 cm (10.1")	39.6 cm (15.6")
Display resolutionDiffers	1024 x 600 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	5:3	16:9
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Atom®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i3
Processor modelDiffers	N450	i3-370M
Processor coresDiffers	1	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.66 GHz	2.4 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cacheDiffers	0.512 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 559	Socket 988
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Atom N400 Series	Intel Core i3-300 Mobile Series
Processor codenameDiffers	Pineview	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	A0	K0
Thermal Design Power (TDP)Differs	5.5 W	35 W
TjunctionDiffers	100 °C	90 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of Processing Die TransistorsDiffers	123 M	382 M
Processing Die sizeDiffers	66 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	10	18
ECC supported by processor	No	No
Memory4 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	2 GB	8 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	250 GB	320 GB
HDD interfaceDiffers	SATA	SATA II
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Card reader integrated	Yes	Yes
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Graphics card family	Intel	Intel
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	667 MHz
Graphics cardKnown for one	GMA 3150	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HDA	HP Premier Sound
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	2.1+EDR
Wireless technologyKnown for one	802.11b/g/n	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
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	1
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	Yes
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
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	Yes
TV-outKnown for one	Unknown — not stated by the source	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM57 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	Windows 7 Starter	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	42503	49020
Processor codeDiffers	SLBMG	SLBUK
Processor package sizeDiffers	22 x 22 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE2, SSE3, SSSE3	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	8 h	6.5 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	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 slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
BIOS passwordKnown for one	Yes	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	1.25 kg	2.51 kg
WidthDiffers	259 mm	371.4 mm
DepthDiffers	185 mm	248 mm
Height (front)Known for one	Unknown — not stated by the source	3.48 cm
HeightKnown for one	24 mm	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Supplied AC adapter type	AC	AC
Packaging contentidentical
Remote control includedKnown for one	No	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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