Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 P4 3400 256MB 80GB XPP vs Lenovo ThinkCentre A51p P4 3400 512MB 160GB XPH

67specifications compared
6differ
61identical
12known for one product only

Key differences

Internal memory
- ThinkCentre A51 P4 3400 256MB 80GB XPP:0.25 GB
- ThinkCentre A51p P4 3400 512MB 160GB XPH:0.5 GB
Total storage capacity
- ThinkCentre A51 P4 3400 256MB 80GB XPP:80 GB
- ThinkCentre A51p P4 3400 512MB 160GB XPH:160 GB
Discrete graphics card model
- ThinkCentre A51 P4 3400 256MB 80GB XPP:Intel® GMA 900
- ThinkCentre A51p P4 3400 512MB 160GB XPH:AMD Radeon X600 Pro
Operating system installed
- ThinkCentre A51 P4 3400 256MB 80GB XPP:Windows XP Professional
- ThinkCentre A51p P4 3400 512MB 160GB XPH:Windows XP Home Edition

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 P4 3400 256MB 80GB XPP, ThinkCentre A51p P4 3400 512MB 160GB XPH
79 specifications	A Lenovo ThinkCentre A51 P4 3400 256MB 80GB XPP View product	B Lenovo ThinkCentre A51p P4 3400 512MB 160GB XPH 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
Storage1 differ
Total storage capacityDiffers	80 GB	160 GB
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 900	AMD Radeon X600 Pro
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
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
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	2
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 quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantity	1	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Poweridentical
Power supply	310 W	310 W
Power supply typeKnown for one	110~220V	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows XP Home Edition
Bundled softwareDiffers	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, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
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	-Configuration password -Boot sequence control -Boot without keyboard or mouse -Secure Data Disposal -Parallel port I/O control -Power on password -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Kensington Lock Standard Enabled -Diskette boot inhibit -Diskette
Optical driveidentical
DVD read speedKnown for one	16x	Unknown — not stated by the source

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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