Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Pentium 4 630 3GHz vs Lenovo ThinkCentre M52 P4 630 HT 512MB 80GB XPP

83specifications compared
9differ
74identical
5known for one product only

Key differences

Internal memory
- ThinkCentre A51 Pentium 4 630 3GHz:0.25 GB
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:0.5 GB
Maximum internal memory
- ThinkCentre A51 Pentium 4 630 3GHz:2 GB
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:4 GB
Internal memory type
- ThinkCentre A51 Pentium 4 630 3GHz:DDR-SDRAM
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:DDR2-SDRAM
Discrete graphics card model
- ThinkCentre A51 Pentium 4 630 3GHz:Intel® GMA 900
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:Intel® GMA 950
Audio system
- ThinkCentre A51 Pentium 4 630 3GHz:SoundMAX Cadenza
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:ADI 1891 HD
Depth
- ThinkCentre A51 Pentium 4 630 3GHz:345 mm
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:359 mm
Height
- ThinkCentre A51 Pentium 4 630 3GHz:84 mm
- ThinkCentre M52 P4 630 HT 512MB 80GB XPP:85 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 Pentium 4 630 3GHz, ThinkCentre M52 P4 630 HT 512MB 80GB XPP
88 specifications	A Lenovo ThinkCentre A51 Pentium 4 630 3GHz View product	B Lenovo ThinkCentre M52 P4 630 HT 512MB 80GB XPP View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	630	630
Processor cores	1	1
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	90 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codename	Prescott	Prescott
Thermal Design Power (TDP)	84 W	84 W
Tcase	66.6 °C	66.6 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	169 M	169 M
Processing Die size	135 mm²	135 mm²
CPU multiplier (bus/core ratio)	15	15
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryDiffers	2 GB	4 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
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 900	Intel® GMA 950
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, bus	PCI Express	PCI Express
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
Poweridentical
Power supply	225 W	225 W
Designidentical
Chassis type	SFF	SFF
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	Access Program; Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	No	No
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	27478	27478
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	ADI 1891 HD
Weight & dimensions2 differ
Width	309 mm	309 mm
DepthDiffers	345 mm	359 mm
HeightDiffers	84 mm	85 mm
Weight	8.5 kg	8.5 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	-Security slot (for attachment of optional cable lock) -Serial port I/O control -Power on password -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Configuration password -Diskette Boot inhibit -Boot without keyboard or mouse
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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