Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 540 3.2GHz vs Lenovo ThinkCentre A51p P4 660 3.6GHz

35specifications compared
7differ
28identical
0known for one product only

Key differences

The Lenovo ThinkCentre A51p P4 660 3.6GHz has 0.4 GHz more processor frequency than the Lenovo ThinkCentre A51p P4 540 3.2GHz (3.6 GHz vs 3.2 GHz). The Lenovo ThinkCentre A51p P4 660 3.6GHz has 0.25 GB more internal memory than the Lenovo ThinkCentre A51p P4 540 3.2GHz (0.5 GB vs 0.25 GB). The Lenovo ThinkCentre A51p P4 540 3.2GHz has 267 mm more width than the Lenovo ThinkCentre A51p P4 660 3.6GHz (442 mm vs 175 mm).

Processor frequency
- ThinkCentre A51p P4 540 3.2GHz:3.2 GHz
- ThinkCentre A51p P4 660 3.6GHz:3.6 GHz
Internal memory
- ThinkCentre A51p P4 540 3.2GHz:0.25 GB
- ThinkCentre A51p P4 660 3.6GHz:0.5 GB
Width
- ThinkCentre A51p P4 540 3.2GHz:442 mm
- ThinkCentre A51p P4 660 3.6GHz:175 mm
Depth
- ThinkCentre A51p P4 540 3.2GHz:401 mm
- ThinkCentre A51p P4 660 3.6GHz:450 mm
Height
- ThinkCentre A51p P4 540 3.2GHz:146 mm
- ThinkCentre A51p P4 660 3.6GHz:492 mm
Weight
- ThinkCentre A51p P4 540 3.2GHz:14 kg
- ThinkCentre A51p P4 660 3.6GHz:13.5 kg

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 540 3.2GHz, ThinkCentre A51p P4 660 3.6GHz
35 specifications	A Lenovo ThinkCentre A51p P4 540 3.2GHz View product	B Lenovo ThinkCentre A51p P4 660 3.6GHz View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor frequencyDiffers	3.2 GHz	3.6 GHz
Processor front side bus	800 MHz	800 MHz
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
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
Parallel ports quantity	1	1
Poweridentical
Power supply type	110~220V	110~220V
Power supply	310 W	310 W
Designidentical
Chassis type	Desktop	Desktop
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled software	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue
Displayidentical
Display included	No	No
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	442 mm	175 mm
DepthDiffers	401 mm	450 mm
HeightDiffers	146 mm	492 mm
WeightDiffers	14 kg	13.5 kg
Other features1 differ
Security featuresDiffers	-Diskette I/O control -Embedded Security Subsystem standard -Configuration password -Diskette boot inhibit -Boot without keyboard or mouse -Boot sequence control -Secure Data Disposal -Serial port I/O control -Parallel port I/O control -Power on password -Hardfile I/O control -Kensington Lock Standa	-Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Boot sequence control -Power on password -Kensington Lock Standard Enabled -Parallel port I/O control -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Secure Da

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 pcs/workstations comparisons

All pcs/workstations comparisons