Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP vs Lenovo ThinkCentre A51p P4 630 3.0GHz

82specifications compared
25differ
57identical
6known for one product only

Key differences

The Lenovo ThinkCentre A51p P4 630 3.0GHz has 70 more processor model than the Lenovo ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP (630 vs 560). The Lenovo ThinkCentre A51p P4 630 3.0GHz has 1 more processor threads than the Lenovo ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP (2 vs 1). The Lenovo ThinkCentre A51p P4 630 3.0GHz has 0.87 GHz more processor frequency than the Lenovo ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP (3 GHz vs 2.13 GHz). Only the Lenovo ThinkCentre A51p P4 630 3.0GHz has enhanced Intel SpeedStep Technology. Only the Lenovo ThinkCentre A51p P4 630 3.0GHz has Intel® Hyper Threading Technology (Intel® HT Technology).

Processor family
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:Intel® Celeron®
- ThinkCentre A51p P4 630 3.0GHz:Intel® Pentium® 4
Processor model
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:560
- ThinkCentre A51p P4 630 3.0GHz:630
Processor threads
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:1
- ThinkCentre A51p P4 630 3.0GHz:2
Processor frequency
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:2.13 GHz
- ThinkCentre A51p P4 630 3.0GHz:3 GHz
Processor cache
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:1 MB
- ThinkCentre A51p P4 630 3.0GHz:2 MB
Processor front side bus
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:533 MHz
- ThinkCentre A51p P4 630 3.0GHz:800 MHz
Processor lithography
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:65 nm
- ThinkCentre A51p P4 630 3.0GHz:90 nm
Processor codename
- ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP:Merom
- ThinkCentre A51p P4 630 3.0GHz:Prescott

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP, ThinkCentre A51p P4 630 3.0GHz
88 specifications	A Lenovo ThinkCentre A51p P4-3.60 512 160 GB DVD-RW GBIT WXP View product	B Lenovo ThinkCentre A51p P4 630 3.0GHz View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® 4
Processor modelDiffers	560	630
Processor cores	1	1
Processor threadsDiffers	1	2
Processor frequencyDiffers	2.13 GHz	3 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	65 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Merom	Prescott
Thermal Design Power (TDP)Differs	31 W	84 W
TcaseDiffers	100 °C	66.6 °C
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Processor socketDiffers	Socket 478	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	291 M	169 M
Processing Die sizeDiffers	143 mm²	135 mm²
CPU multiplier (bus/core ratio)Differs	16	15
ECC supported by processor	No	No
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-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
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
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
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
Design1 differ
Chassis typeDiffers	Tower	Desktop
Software2 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareDiffers	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	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 features4 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	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 IDDiffers	34439	27478
Processor package sizeDiffers	35 x 35 mm	37.5 x 37.5 mm
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	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
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	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	-Serial port I/O control -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 -Boot without keyboard or mouse -Boot sequence control -Configuration password -Diskett	-Serial port I/O control -Power on password -Secure Data Disposal -Parallel port I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Hard disk drive password -Boot without keyboard or mouse -Configuration password -Diskette I/O control -Embedded Security Subsystem standard -Diskette
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x

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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