Product comparison · 2 laptops

Acer Aspire One D255E-N55DQkk Intel Atom® N550 Netbook vs HP ProBook XP178AV laptop Intel® Core™ i7 i7-640M

64specifications compared
39differ
25identical
82known for one product only

Key differences

Display diagonal
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:25.6 cm (10.1")
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:43.9 cm (17.3")
Display resolution
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:1024 x 600 pixels
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:1600 x 900 pixels
Native aspect ratio
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:5:3
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:16:9
Processor family
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:Intel Atom®
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:Intel® Core™ i7
Processor model
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:N550
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:i7-640M
Processor frequency
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:1.5 GHz
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:2.8 GHz
Processor cache
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:1 MB
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:4 MB
Processor cache type
- Aspire One D255E-N55DQkk Intel Atom® N550 Netbook:L2
- ProBook XP178AV laptop Intel® Core™ i7 i7-640M:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of D255E-N55DQkk, XP178AV
146 specifications	A Acer Aspire One D255E-N55DQkk Intel Atom® N550 Netbook Model D255E-N55DQkk View product	B HP ProBook XP178AV laptop Intel® Core™ i7 i7-640M Model XP178AV View product
Designidentical
Product colour	Black	Black
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")	43.9 cm (17.3")
Display resolutionDiffers	1024 x 600 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Native aspect ratioDiffers	5:3	16:9
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Atom®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i7
Processor modelDiffers	N550	i7-640M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Processor frequencyDiffers	1.5 GHz	2.8 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cacheDiffers	1 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1288
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i7-600 Mobile Series
Processor codenameDiffers	Pineview	Arrandale
Bus type	DMI	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	K0
Thermal Design Power (TDP)Differs	8.5 W	35 W
TjunctionKnown for one	Unknown — not stated by the source	105 °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	176 M	382 M
Processing Die sizeDiffers	87 mm²	81 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	21
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory3 differ
Internal memoryDiffers	1 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 1 GB	2 x 2 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Storage2 differ
Total storage capacityDiffers	250 GB	500 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
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
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	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	AMD Mobility Radeon HD 4350
Graphics card familyKnown for one	Unknown — not stated by the source	AMD
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 frequencyDiffers	200 MHz	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
Network1 differ
Ethernet LAN	Yes	Yes
BluetoothDiffers	Yes	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Fast Ethernet	Unknown — not stated by the source
Wireless technologyKnown for one	802.11 b/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 & 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	1
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
Thunderbolt ports quantityKnown 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	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	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-outKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel NM10	Intel® HM57 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows 7 Starter	Windows 7 Professional
Operating system architectureDiffers	32-bit	64-bit
Processor special features8 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	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 TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDDiffers	50154	49666
Processor codeKnown for one	Unknown — not stated by the source	SLBTN
Processor package sizeDiffers	22 x 22 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE2, SSE3, SSSE3	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	Yes	No
Battery2 differ
Number of battery cellsDiffers	6	8
Battery life (max)Differs	8 h	73 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	40 W	90 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	No
Weight & dimensions4 differ
WeightDiffers	1.25 kg	3.1 kg
WidthDiffers	259 mm	411 mm
DepthDiffers	185 mm	266 mm
HeightDiffers	24 mm	282 mm
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
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Touchpad	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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