Product comparison · 2 laptops

Acer Aspire One D257 Intel Atom® N455 Netbook vs HP Pavilion g7-1140sd Intel® Pentium® B950

83specifications compared
40differ
43identical
54known for one product only

Key differences

Display diagonal
- Aspire One D257 Intel Atom® N455 Netbook:25.6 cm (10.1")
- Pavilion g7-1140sd Intel® Pentium® B950:43.9 cm (17.3")
Display resolution
- Aspire One D257 Intel Atom® N455 Netbook:1024 x 600 pixels
- Pavilion g7-1140sd Intel® Pentium® B950:1600 x 900 pixels
Native aspect ratio
- Aspire One D257 Intel Atom® N455 Netbook:5:3
- Pavilion g7-1140sd Intel® Pentium® B950:16:9
Processor family
- Aspire One D257 Intel Atom® N455 Netbook:Intel Atom®
- Pavilion g7-1140sd Intel® Pentium® B950:Intel® Pentium®
Processor model
- Aspire One D257 Intel Atom® N455 Netbook:N455
- Pavilion g7-1140sd Intel® Pentium® B950:B950
Processor cores
- Aspire One D257 Intel Atom® N455 Netbook:1
- Pavilion g7-1140sd Intel® Pentium® B950:2
Processor frequency
- Aspire One D257 Intel Atom® N455 Netbook:1.66 GHz
- Pavilion g7-1140sd Intel® Pentium® B950:2.1 GHz
Processor cache
- Aspire One D257 Intel Atom® N455 Netbook:0.512 MB
- Pavilion g7-1140sd Intel® Pentium® B950:2 MB

Side by side

Differences highlightedShow differences only

Comparison of D257, g7-1140sd
137 specifications	A Acer Aspire One D257 Intel Atom® N455 Netbook Model D257 View product	B HP Pavilion g7-1140sd Intel® Pentium® B950 Model g7-1140sd 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
Product colourKnown for one	Black	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
Processor13 differ
Processor familyDiffers	Intel Atom®	Intel® Pentium®
Processor modelDiffers	N455	B950
Processor coresDiffers	1	2
Processor frequencyDiffers	1.66 GHz	2.1 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	0.512 MB	2 MB
Processor cache typeDiffers	L2	L3
Processor socketDiffers	BGA 559	PGA988
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Atom N400 Series	Intel Pentium B900 Series for Mobile
Processor codenameDiffers	Pineview	Sandy Bridge
Thermal Design Power (TDP)Differs	6.5 W	35 W
TjunctionDiffers	100 °C	85 °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	1x8, 2x16, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
CPU multiplier (bus/core ratio)Differs	10	21
SteppingKnown for one	A0	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	123 M	Unknown — not stated by the source
Processing Die sizeKnown for one	66 mm²	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	1 GB	4 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	2 GB	4 GB
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	250 GB	500 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	MMC, SD
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Graphics1 differ
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 familyKnown for one	Unknown — not stated by the source	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 frequencyDiffers	200 MHz	650 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Network1 differ
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet
BluetoothDiffers	Yes	No
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	No
Wireless technologyKnown for one	802.11 b/g/n	Unknown — not stated by the source
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Ports & interfaces1 differ
HDMI ports quantityDiffers	0	1
DVI portKnown for one	Unknown — not stated by the source	No
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	Yes
TV-outKnown for one	Unknown — not stated by the source	No
Software2 differ
Operating system installedDiffers	Windows 7 Starter	Windows 7 Home Premium
Operating system architectureDiffers	32-bit	64-bit
Processor special features10 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	32 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
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® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Processor ARK IDDiffers	49491	55627
Processor package sizeDiffers	22 x 22 mm	37.5x37.5 (rPGA988B)
Supported instruction setsDiffers	SSE2, SSE3, SSSE3	SSE4.x
Processor codeKnown for one	SLBX9	Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers	3	6
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	2200 mAh	Unknown — not stated by the source
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	40 W	65 W
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	Kensington
Weight & dimensions2 differ
WeightKnown for one	Unknown — not stated by the source	3 kg
WidthDiffers	257 mm	412 mm
DepthDiffers	184 mm	268 mm
Height (front)Known for one	Unknown — not stated by the source	3.67 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
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
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.

More laptop comparisons

All laptop comparisons