Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Pentium 4 630 3GHz vs Lenovo ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP

31specifications compared
12differ
19identical
57known for one product only

Key differences

Processor family
- ThinkCentre A51 Pentium 4 630 3GHz:Intel® Pentium® 4
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:Intel® Celeron®
Processor frequency
- ThinkCentre A51 Pentium 4 630 3GHz:3 GHz
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:3.06 GHz
Processor front side bus
- ThinkCentre A51 Pentium 4 630 3GHz:800 MHz
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:533 MHz
Internal memory type
- ThinkCentre A51 Pentium 4 630 3GHz:DDR-SDRAM
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:DDR2-SDRAM
Chassis type
- ThinkCentre A51 Pentium 4 630 3GHz:SFF
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:Desktop
Audio system
- ThinkCentre A51 Pentium 4 630 3GHz:SoundMAX Cadenza
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:ADI 1891 HD
Width
- ThinkCentre A51 Pentium 4 630 3GHz:309 mm
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:350 mm
Depth
- ThinkCentre A51 Pentium 4 630 3GHz:345 mm
- ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP:385 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 Pentium 4 630 3GHz, ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP
88 specifications	A Lenovo ThinkCentre A51 Pentium 4 630 3GHz View product	B Lenovo ThinkCentre A52 Celeron D 346 3.06GHz 256MB 80GB XPP View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® 4	Intel® Celeron®
Processor modelKnown for one	630	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	3 GHz	3.06 GHz
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	800 MHz	533 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	90 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Unknown — not stated by the source
Processor codenameKnown for one	Prescott	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	84 W	Unknown — not stated by the source
TcaseKnown for one	66.6 °C	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	169 M	Unknown — not stated by the source
Processing Die sizeKnown for one	135 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	15	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memory	0.25 GB	0.25 GB
Maximum internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Diskette drive memory	1.44 MB	1.44 MB
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA 900	Unknown — not stated by the source
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
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
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
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supply	225 W	225 W
Design1 differ
Chassis typeDiffers	SFF	Desktop
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium, Access program, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	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	27478	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 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	Yes	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
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	ADI 1891 HD
Weight & dimensions4 differ
WidthDiffers	309 mm	350 mm
DepthDiffers	345 mm	385 mm
HeightDiffers	84 mm	107.5 mm
WeightDiffers	8.5 kg	10 kg
Other features1 differ
Security featuresDiffers	-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	-Boot without keyboard or mouse -Boot sequence control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Parallel port I/O control -Hardfile I/O control -Diskette boot inhibit -Diskette I/O control -Configuration password

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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