Product comparison · 2 pcs/workstations

Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP vs Lenovo TS ThinkCentre A52 P4 640 3.2GHz

77specifications compared
14differ
63identical
25known for one product only

Key differences

The Lenovo TS ThinkCentre A52 P4 640 3.2GHz has 10 more processor model than the Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP (640 vs 630). The Lenovo TS ThinkCentre A52 P4 640 3.2GHz has 0.2 GHz more processor frequency than the Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP (3.2 GHz vs 3 GHz). The Lenovo TS ThinkCentre A52 P4 640 3.2GHz has 1 more CPU multiplier (bus/core ratio) than the Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP (16 vs 15). Only the Lenovo TS ThinkCentre A52 P4 640 3.2GHz has thermal Monitoring Technologies. Optical drive type: DVD-ROM on the Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP, DVD-RW on the Lenovo TS ThinkCentre A52 P4 640 3.2GHz.

Processor model
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:630
- TS ThinkCentre A52 P4 640 3.2GHz:640
Processor frequency
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:3 GHz
- TS ThinkCentre A52 P4 640 3.2GHz:3.2 GHz
CPU multiplier (bus/core ratio)
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:15
- TS ThinkCentre A52 P4 640 3.2GHz:16
Internal memory
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:0.25 GB
- TS ThinkCentre A52 P4 640 3.2GHz:0.5 GB
Total storage capacity
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:80 GB
- TS ThinkCentre A52 P4 640 3.2GHz:160 GB
Optical drive type
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:DVD-ROM
- TS ThinkCentre A52 P4 640 3.2GHz:DVD-RW
Discrete graphics card model
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:Intel® GMA 900
- TS ThinkCentre A52 P4 640 3.2GHz:Intel® GMA 950
USB 2.0 ports quantity
- TS ThinkCentre A51 P4 630 256MB 80GB XPP:6
- TS ThinkCentre A52 P4 640 3.2GHz:8

Side by side

Differences highlightedShow differences only

Comparison of TS ThinkCentre A51 P4 630 256MB 80GB XPP, TS ThinkCentre A52 P4 640 3.2GHz
102 specifications	A Lenovo TS ThinkCentre A51 P4 630 256MB 80GB XPP View product	B Lenovo TS ThinkCentre A52 P4 640 3.2GHz View product
Processor3 differ
Processor modelDiffers	630	640
Processor frequencyDiffers	3 GHz	3.2 GHz
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
CPU multiplier (bus/core ratio)Differs	15	16
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.388 V
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	17 GB/s
Processor seriesKnown for one	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
Optical drive typeDiffers	DVD-ROM	DVD-RW
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelDiffers	Intel® GMA 900	Intel® GMA 950
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Software1 differ
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium edition (license), Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue & Recovery with Rapid Restore	Access Program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 with 90 days of virus definition upgrades; PC Doctor diagnostics
Processor special features2 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Processor ARK IDDiffers	27478	27480
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1/4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	ADI 1891 HD
Other features1 differ
Security featuresDiffers	-Hardfile I/O control -Parallel port I/O control -Power on password -Serial port I/O control -U-Bolt anchoring feature -Security slot (for attachment of optional cable lock) -Boot without keyboard or mouse -Boot sequence control -Diskette boot inhibit -Diskette I/O control -Configuration password	-Serial port I/O control -U-Bolt anchoring feature -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Diskette I/O control -Diskette boot inhibit -Boot sequence control -Boot without keyboard or mouse -Configuration password
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
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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