Product comparison · 2 laptops

Acer Aspire One 721-12B2ki vs Lenovo ThinkPad W500 Intel® Core™2 Duo T9600

40specifications compared
22differ
18identical
94known for one product only

Key differences

Display diagonal
- Aspire One 721-12B2ki:29.5 cm (11.6")
- ThinkPad W500 Intel® Core™2 Duo T9600:39.1 cm (15.4")
Display resolution
- Aspire One 721-12B2ki:1366 x 768 pixels
- ThinkPad W500 Intel® Core™2 Duo T9600:1920 x 1200 pixels
Native aspect ratio
- Aspire One 721-12B2ki:16:9
- ThinkPad W500 Intel® Core™2 Duo T9600:16:10
Processor manufacturer
- Aspire One 721-12B2ki:AMD
- ThinkPad W500 Intel® Core™2 Duo T9600:Intel
Processor family
- Aspire One 721-12B2ki:AMD Athlon Neo
- ThinkPad W500 Intel® Core™2 Duo T9600:Intel® Core™2 Duo
Processor model
- Aspire One 721-12B2ki:K125
- ThinkPad W500 Intel® Core™2 Duo T9600:T9600
Processor frequency
- Aspire One 721-12B2ki:1.7 GHz
- ThinkPad W500 Intel® Core™2 Duo T9600:2.8 GHz
Processor cache
- Aspire One 721-12B2ki:1 MB
- ThinkPad W500 Intel® Core™2 Duo T9600:6 MB

Side by side

Differences highlightedShow differences only

Comparison of Aspire One 721-12B2ki, W500
134 specifications	A Acer Aspire One 721-12B2ki View product	B Lenovo ThinkPad W500 Intel® Core™2 Duo T9600 Model W500 View product
Designidentical
Product colour	Black	Black
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	29.5 cm (11.6")	39.1 cm (15.4")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1200 pixels
Native aspect ratioDiffers	16:9	16:10
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor6 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD Athlon Neo	Intel® Core™2 Duo
Processor modelDiffers	K125	T9600
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	1.7 GHz	2.8 GHz
Processor cacheDiffers	1 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketKnown for one	Unknown — not stated by the source	Socket 478
Processor lithographyKnown for one	Unknown — not stated by the source	45 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo T9000 Series
Processor codenameKnown for one	Unknown — not stated by the source	Penryn
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	E1
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	35 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	10.5
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-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
Maximum internal memoryDiffers	4 GB	8 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacity	320 GB	320 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	HD
Number of built-in speakers	2	2
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	2.0+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wireless technologyKnown for one	802.11b/g/n	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 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	1	0
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
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
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
TV-outKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
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	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
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 TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	35563
Processor codeKnown for one	Unknown — not stated by the source	SLG9F
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
HDD user password	Yes	Yes
BIOS passwordKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	1.4 kg	2.63 kg
WidthDiffers	285 mm	357.5 mm
DepthDiffers	204 mm	255 mm
Height (front)Differs	2.57 cm	2.95 cm
Height (rear)Differs	2.8 cm	3.35 cm
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
Intel segment taggingKnown for one	Unknown — not stated by the source	Professional
Supplied AC adapter type	AC	AC
Graphicsidentical
Maximum graphics card memoryKnown for one	0.5 GB	Unknown — not stated by the source
Graphics cardKnown for one	Radeon HD 4225	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Known for one	5.5 h	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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