Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A50 vs Lenovo ThinkCentre S51 P4 540 3.2GHz

28specifications compared
13differ
15identical
66known for one product only

Key differences

The Lenovo ThinkCentre S51 P4 540 3.2GHz has 1.47 GHz more processor frequency than the Lenovo ThinkCentre A50 (3.2 GHz vs 1.73 GHz). The Lenovo ThinkCentre S51 P4 540 3.2GHz has 267 MHz more processor front side bus than the Lenovo ThinkCentre A50 (800 MHz vs 533 MHz). The Lenovo ThinkCentre S51 P4 540 3.2GHz has 0.25 GB more internal memory than the Lenovo ThinkCentre A50 (0.5 GB vs 0.25 GB). Optical drive type: CD-ROM on the Lenovo ThinkCentre A50, DVD-ROM on the Lenovo ThinkCentre S51 P4 540 3.2GHz. Video adapter, bus: Direct AGP on the Lenovo ThinkCentre A50, PCI Express on the Lenovo ThinkCentre S51 P4 540 3.2GHz.

Processor frequency
- ThinkCentre A50:1.73 GHz
- ThinkCentre S51 P4 540 3.2GHz:3.2 GHz
Processor front side bus
- ThinkCentre A50:533 MHz
- ThinkCentre S51 P4 540 3.2GHz:800 MHz
Internal memory
- ThinkCentre A50:0.25 GB
- ThinkCentre S51 P4 540 3.2GHz:0.5 GB
Total storage capacity
- ThinkCentre A50:40 GB
- ThinkCentre S51 P4 540 3.2GHz:80 GB
Optical drive type
- ThinkCentre A50:CD-ROM
- ThinkCentre S51 P4 540 3.2GHz:DVD-ROM
Video adapter, bus
- ThinkCentre A50:Direct AGP
- ThinkCentre S51 P4 540 3.2GHz:PCI Express
USB 2.0 ports quantity
- ThinkCentre A50:6
- ThinkCentre S51 P4 540 3.2GHz:8
Power supply
- ThinkCentre A50:200 W
- ThinkCentre S51 P4 540 3.2GHz:225 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A50, ThinkCentre S51 P4 540 3.2GHz
94 specifications	A Lenovo ThinkCentre A50 View product	B Lenovo ThinkCentre S51 P4 540 3.2GHz View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor modelKnown for one	530	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	1	Unknown — not stated by the source
Processor frequencyDiffers	1.73 GHz	3.2 GHz
Processor cacheKnown for one	1 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	533 MHz	800 MHz
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor codenameKnown for one	Merom	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	27 W	Unknown — not stated by the source
TcaseKnown for one	67.7 °C	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Processor socketKnown for one	Socket AM2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	291 M	Unknown — not stated by the source
Processing Die sizeKnown for one	143 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	14	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.95 - 1.30 V	Unknown — not stated by the source
SteppingKnown for one	A1	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memory	2 GB	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	40 GB	80 GB
Optical drive typeDiffers	CD-ROM	DVD-ROM
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Storage drive typeKnown for one	ATA-100 (Enhanced IDE)	Unknown — not stated by the source
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
Graphics1 differ
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, busDiffers	Direct AGP	PCI Express
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	24x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
Power1 differ
Power supplyDiffers	200 W	225 W
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Lotus Notes Stand-alone Client (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 and Recovery with Rapid Restore
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	No	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	29733	Unknown — not stated by the source
Processor codeKnown for one	SLA2G	Unknown — not stated by the source
Processor package sizeKnown for one	35 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	276 mm	127 mm
DepthDiffers	273 mm	390 mm
HeightDiffers	89 mm	346 mm
WeightDiffers	6.4 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Hardfile I/O control -Diskette I/O control -Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Parallel I/O control -Power on password -Security slot (for attachment of optional cable lock)	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	SFF

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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