Product comparison · 2 pcs/workstations

Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB vs Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP

32specifications compared
13differ
19identical
5known for one product only

Key differences

The Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP has 0.4 GHz more processor frequency than the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB (3.4 GHz vs 3 GHz). The Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP has 2 GB more maximum internal memory than the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB (4 GB vs 2 GB). The Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB has 2 more USB 2.0 ports quantity than the Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP (8 vs 6). Internal memory type: DDR-SDRAM on the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB, DDR2-SDRAM on the Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP. Video adapter, bus: Direct AGP on the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB, PCI Express on the Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP.

Processor frequency
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:3 GHz
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:3.4 GHz
Maximum internal memory
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:2 GB
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:4 GB
Internal memory type
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:DDR-SDRAM
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:DDR2-SDRAM
Video adapter, bus
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:Direct AGP
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:PCI Express
USB 2.0 ports quantity
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:8
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:6
Power supply
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:200 W
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:310 W
Chassis type
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:SFF
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:Tower
Width
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:309 mm
- TS ThinkCentre A51 P4 650 512MB 80GB XPP:178 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre S50 P4 3.0GHz 512MB 80GB, TS ThinkCentre A51 P4 650 512MB 80GB XPP
37 specifications	A Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB View product	B Lenovo TS ThinkCentre A51 P4 650 512MB 80GB XPP View product
Processor1 differ
Processor frequencyDiffers	3 GHz	3.4 GHz
Memory2 differ
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Storageidentical
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
HDD interfaceKnown for one	Ultra-ATA/100	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, busDiffers	Direct AGP	PCI Express
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	200 W	310 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Software1 differ
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access Support Connected Client, IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, Norton AntiVirus 2003 OEM Version, PC Doctor Diagnostics, Rapid Restore Ultra, IBM Update Con	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium edition (license), Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Weight & dimensions4 differ
WidthDiffers	309 mm	178 mm
DepthDiffers	359 mm	450 mm
HeightDiffers	85 mm	430 mm
WeightDiffers	8.3 kg	12.5 kg
Other features1 differ
Security featuresDiffers	-Diskette I/O control -Boot sequence control -Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Security slot (for attachment of optional cable lock) -Serial port I/O control -Embedded Security Subsystem 2.0 -Hardfile I/O control -Power on password -Parallel I/O control	-Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Boot sequence control -Hardfile I/O control -Parallel port I/O control -Power on password -Diskette 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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