Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB vs Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP

86specifications compared
6differ
80identical
5known for one product only

Key differences

Internal memory type
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:DDR2-SDRAM
- ThinkCentre M51 P4 3000 512MB 80GB XPP:DDR-SDRAM
Total storage capacity
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:160 GB
- ThinkCentre M51 P4 3000 512MB 80GB XPP:80 GB
Optical drive type
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:DVD-RW
- ThinkCentre M51 P4 3000 512MB 80GB XPP:DVD-ROM
Discrete graphics card model
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:AMD Radeon X600 Pro
- ThinkCentre M51 P4 3000 512MB 80GB XPP:Intel® GMA 900
Operating system installed
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:Windows XP Home Edition
- ThinkCentre M51 P4 3000 512MB 80GB XPP:Windows XP Professional

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 530 3000 2x256MB 160GB, ThinkCentre M51 P4 3000 512MB 80GB XPP
91 specifications	A Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB View product	B Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	530	530
Processor cores	1	1
Processor threads	1	1
Processor frequency	1.73 GHz	1.73 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor front side bus	533 MHz	533 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor codename	Merom	Merom
Thermal Design Power (TDP)	27 W	27 W
Tcase	67.7 °C	67.7 °C
Tjunction	100 °C	100 °C
Processor socket	Socket AM2	Socket AM2
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)	14	14
Processor core voltage (AC)	0.95 - 1.30 V	0.95 - 1.30 V
Stepping	A1	A1
ECC supported by processor	No	No
Memory1 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon X600 Pro	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
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 & 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
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supply type	110~220V	110~220V
Power supply	310 W	310 W
Designidentical
Chassis type	Tower	Tower
Software1 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	No	No
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	29733	29733
Processor code	SLA2G	SLA2G
Processor package size	35 mm	35 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
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
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	450 mm	450 mm
Height	492 mm	492 mm
Weight	13.5 kg	13.5 kg
Other features1 differ
Security featuresDiffers	-Configuration password -Diskette boot inhibit -Boot sequence control -Boot without keyboard or mouse -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Secure Data Disposal -Serial port I/O control -Kensington Lock Standard Enabled -Parallel	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control
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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