Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP vs Lenovo ThinkCentre A51p P4 550 3.4GHz

69specifications compared
4differ
65identical
1known for one product only

Key differences

Internal memory
- ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP:0.25 GB
- ThinkCentre A51p P4 550 3.4GHz:0.5 GB
Total storage capacity
- ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP:80 GB
- ThinkCentre A51p P4 550 3.4GHz:160 GB
Optical drive type
- ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP:DVD-ROM
- ThinkCentre A51p P4 550 3.4GHz:DVD-RW

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP, ThinkCentre A51p P4 550 3.4GHz
70 specifications	A Lenovo ThinkCentre A51P P4-3.40 256 80 GB DVD GBIT WXP View product	B Lenovo ThinkCentre A51p P4 550 3.4GHz View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	550	550
Processor cores	1	1
Processor frequency	3.4 GHz	3.4 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Tcase	72.8 °C	72.8 °C
Tjunction	100 °C	100 °C
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
Optical drive typeDiffers	DVD-ROM	DVD-RW
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speedKnown for one	16x	Unknown — not stated by the source
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 type	110~220V	110~220V
Power supply	310 W	310 W
Designidentical
Chassis type	Tower	Tower
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled software	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (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	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (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
Displayidentical
Display included	No	No
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	No	No
Idle States	No	No
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
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost 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	-Secure Data Disposal -Hardfile I/O control -Kensington Lock Standard Enabled -Parallel port I/O control -Power on password -Embedded Security Subsystem standard -Hard disk drive password -Diskette I/O control -Configuration password -Diskette boot inhibit -Boot sequence control -Boot without keyboa	-Parallel port I/O control -Power on password -Secure Data Disposal -Serial port I/O control -Kensington Lock Standard Enabled -Embedded Security Subsystem standard -Diskette boot inhibit -Diskette I/O control -Hard disk drive password -Hardfile I/O control -Configuration password -Boot sequence con

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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