Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP US vs Lenovo ThinkCentre A51p P4 630 3.0GHz

84specifications compared
2differ
82identical
1known for one product only

Key differences

Chassis type
- ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP US:Tower
- ThinkCentre A51p P4 630 3.0GHz:Desktop

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP US, ThinkCentre A51p P4 630 3.0GHz
85 specifications	A Lenovo ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP US View product	B Lenovo ThinkCentre A51p P4 630 3.0GHz 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
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
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 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 typeKnown for one	Unknown — not stated by the source	110~220V
Power supply	310 W	310 W
Design1 differ
Chassis typeDiffers	Tower	Desktop
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
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
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	-Boot without keyboard or mouse -Configuration password -Boot sequence control -Parallel port I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Diskette boot inhibit -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Power on password -Secure Da	-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

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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