Product comparison · 2 pcs/workstations

Acer Aspire T650 Intel P4 516 vs Lenovo ThinkCentre A51 P4 531 HT 3.0GHz

28specifications compared
15differ
13identical
10known for one product only

Key differences

Processor frequency
- Aspire T650 Intel P4 516:2.93 GHz
- ThinkCentre A51 P4 531 HT 3.0GHz:3 GHz
Processor front side bus
- Aspire T650 Intel P4 516:533 MHz
- ThinkCentre A51 P4 531 HT 3.0GHz:800 MHz
Internal memory
- Aspire T650 Intel P4 516:1 GB
- ThinkCentre A51 P4 531 HT 3.0GHz:0.25 GB
Maximum internal memory
- Aspire T650 Intel P4 516:2 GB
- ThinkCentre A51 P4 531 HT 3.0GHz:4 GB
Internal memory type
- Aspire T650 Intel P4 516:DDR-SDRAM
- ThinkCentre A51 P4 531 HT 3.0GHz:DDR2-SDRAM
Total storage capacity
- Aspire T650 Intel P4 516:200 GB
- ThinkCentre A51 P4 531 HT 3.0GHz:80 GB
Optical drive type
- Aspire T650 Intel P4 516:DVD-RW
- ThinkCentre A51 P4 531 HT 3.0GHz:DVD-ROM
Discrete graphics card model
- Aspire T650 Intel P4 516:AMD Radeon Xpress 200
- ThinkCentre A51 P4 531 HT 3.0GHz:Intel® GMA 900

Side by side

Differences highlightedShow differences only

Comparison of Aspire T650 Intel P4 516, ThinkCentre A51 P4 531 HT 3.0GHz
38 specifications	A Acer Aspire T650 Intel P4 516 View product	B Lenovo ThinkCentre A51 P4 531 HT 3.0GHz View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor frequencyDiffers	2.93 GHz	3 GHz
Processor front side busDiffers	533 MHz	800 MHz
Memory3 differ
Internal memoryDiffers	1 GB	0.25 GB
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Storage2 differ
Total storage capacityDiffers	200 GB	80 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Diskette drive memoryKnown for one	Unknown — not stated by the source	1.44 MB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon Xpress 200	Intel® GMA 900
Video adapter, busKnown for one	Unknown — not stated by the source	PCI Express
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Parallel ports quantity	1	1
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	310 W
Design1 differ
Chassis typeDiffers	Mini Tower	Desktop
Software2 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareDiffers	Acer eRecovery program for single language System/User backup, Norton AntiVirus 2005 (60 days trial) Adobe Reader 6.0 CyberLink PowerDVD with DVD-ROM, DVD/CD-RW combo, or SuperMultiPlus drive option Quick Burning (NTI CD-Maker Gold) with CD-RW, DVD/CD-RW combo drive, or SuperMultiPlus drive option A	Access program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics
Displayidentical
Display included	No	No
Audio1 differ
Audio systemDiffers	ALC880	SoundMAX Cadenza
Weight & dimensions3 differ
WidthDiffers	183 mm	442 mm
DepthDiffers	455 mm	401 mm
HeightDiffers	370 mm	146 mm
WeightKnown for one	Unknown — not stated by the source	14 kg
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	-Boot sequence control -Diskette boot inhibit -Configuration password -Boot without keyboard or mouse -U-Bolt anchoring feature -Serial port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Diskette I/O control -Hardfile I/O control -Parallel port I/O control

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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