Product comparison · 2 pcs/workstations

Lenovo ThinkCentre E50 Celeron D 331 2.66GHz vs Lenovo TS ThinkCentre A51 P4 3000 256MB 80GB WXPP

35specifications compared
18differ
17identical
58known for one product only

Key differences

Processor family
- ThinkCentre E50 Celeron D 331 2.66GHz:Intel® Celeron®
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:Intel® Pentium® 4
Processor frequency
- ThinkCentre E50 Celeron D 331 2.66GHz:2.66 GHz
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:3 GHz
Processor front side bus
- ThinkCentre E50 Celeron D 331 2.66GHz:533 MHz
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:800 MHz
Storage drive type
- ThinkCentre E50 Celeron D 331 2.66GHz:ATA-100 (Enhanced IDE)
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:SATA
Discrete graphics card model
- ThinkCentre E50 Celeron D 331 2.66GHz:MiRage
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:Intel® GMA 900
Video adapter, bus
- ThinkCentre E50 Celeron D 331 2.66GHz:Direct AGP
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:PCI Express
USB 2.0 ports quantity
- ThinkCentre E50 Celeron D 331 2.66GHz:6
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:8
Serial ports quantity
- ThinkCentre E50 Celeron D 331 2.66GHz:1
- TS ThinkCentre A51 P4 3000 256MB 80GB WXPP:0

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre E50 Celeron D 331 2.66GHz, TS ThinkCentre A51 P4 3000 256MB 80GB WXPP
93 specifications	A Lenovo ThinkCentre E50 Celeron D 331 2.66GHz View product	B Lenovo TS ThinkCentre A51 P4 3000 256MB 80GB WXPP View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® 4
Processor modelKnown for one	Unknown — not stated by the source	630
Processor coresKnown for one	Unknown — not stated by the source	1
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2.66 GHz	3 GHz
Processor cacheKnown for one	Unknown — not stated by the source	2 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Processor front side busDiffers	533 MHz	800 MHz
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor lithographyKnown for one	Unknown — not stated by the source	90 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codenameKnown for one	Unknown — not stated by the source	Prescott
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	84 W
TcaseKnown for one	Unknown — not stated by the source	66.6 °C
Processor socketKnown for one	Unknown — not stated by the source	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	169 M
Processing Die sizeKnown for one	Unknown — not stated by the source	135 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	15
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memoryidentical
Internal memory	0.25 GB	0.25 GB
Maximum internal memory	2 GB	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Storage1 differ
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
Storage drive typeDiffers	ATA-100 (Enhanced IDE)	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphics2 differ
Discrete graphics card modelDiffers	MiRage	Intel® GMA 900
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, busDiffers	Direct AGP	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
Serial ports quantityDiffers	1	0
Parallel ports quantity	1	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Power1 differ
Power supplyDiffers	180 W	225 W
Design1 differ
Chassis typeDiffers	Small Desktop	SFF
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnosti
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	27478
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Audio1 differ
Audio systemDiffers	AC-97	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	325 mm	309 mm
DepthDiffers	410 mm	359 mm
HeightDiffers	107 mm	85 mm
WeightDiffers	9.2 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile 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 feature	-U-Bolt anchoring feature -Security slot (for attachment of optional cable lock) -Serial port I/O control -Power on password -Hard drive I/O control -Parallel port I/O control -Hard disk drive password -Diskette I/O control -Diskette Boot inhibit -Boot without keyboard or mouse -Configuration passwo

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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