Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 3.2GHz vs Lenovo ThinkCentre S51

31specifications compared
11differ
20identical
4known for one product only

Key differences

Internal memory
- ThinkCentre A51p P4 3.2GHz:0.25 GB
- ThinkCentre S51:0.5 GB
Maximum internal memory
- ThinkCentre A51p P4 3.2GHz:4 GB
- ThinkCentre S51:2 GB
Internal memory type
- ThinkCentre A51p P4 3.2GHz:DDR2-SDRAM
- ThinkCentre S51:DDR-SDRAM
Power supply
- ThinkCentre A51p P4 3.2GHz:310 W
- ThinkCentre S51:225 W
Chassis type
- ThinkCentre A51p P4 3.2GHz:Tower
- ThinkCentre S51:SFF
Width
- ThinkCentre A51p P4 3.2GHz:175 mm
- ThinkCentre S51:127 mm
Depth
- ThinkCentre A51p P4 3.2GHz:450 mm
- ThinkCentre S51:390 mm
Height
- ThinkCentre A51p P4 3.2GHz:492 mm
- ThinkCentre S51:346 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 3.2GHz, ThinkCentre S51
35 specifications	A Lenovo ThinkCentre A51p P4 3.2GHz View product	B Lenovo ThinkCentre S51 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor frequency	3.2 GHz	3.2 GHz
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory3 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD interface	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter, busKnown for one	PCI Express	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit 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
Power1 differ
Power supplyDiffers	310 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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, Lotus SmartSuite Millennium, Norton AntiVirus 2004, PC Doctor, Access, ThinkVantage Client Security, ThinkVantage Rescue & Recovery, IBM Director Agent
Displayidentical
Display included	No	No
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	175 mm	127 mm
DepthDiffers	450 mm	390 mm
HeightDiffers	492 mm	346 mm
WeightDiffers	13.5 kg	8.5 kg
Other featuresidentical
Security featuresKnown for one	-Diskette I/O control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Boot sequence control -Parallel port I/O control -Power on password -Secure Data Disposal -Serial port I/O control -Kensington Lock Standard Enabled -Hardfile I/O control -Embedded Security Subsyste	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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