Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 530 3.0GHz vs Lenovo TS ThinkCentre A51 P4 540-3.2G

32specifications compared
13differ
19identical
67known for one product only

Key differences

Processor frequency
- ThinkCentre A51p P4 530 3.0GHz:1.73 GHz
- TS ThinkCentre A51 P4 540-3.2G:3.2 GHz
Processor front side bus
- ThinkCentre A51p P4 530 3.0GHz:533 MHz
- TS ThinkCentre A51 P4 540-3.2G:800 MHz
Maximum internal memory
- ThinkCentre A51p P4 530 3.0GHz:4 GB
- TS ThinkCentre A51 P4 540-3.2G:2 GB
Internal memory type
- ThinkCentre A51p P4 530 3.0GHz:DDR2-SDRAM
- TS ThinkCentre A51 P4 540-3.2G:DDR-SDRAM
Total storage capacity
- ThinkCentre A51p P4 530 3.0GHz:160 GB
- TS ThinkCentre A51 P4 540-3.2G:80 GB
Power supply
- ThinkCentre A51p P4 530 3.0GHz:310 W
- TS ThinkCentre A51 P4 540-3.2G:225 W
Chassis type
- ThinkCentre A51p P4 530 3.0GHz:Tower
- TS ThinkCentre A51 P4 540-3.2G:SFF
Width
- ThinkCentre A51p P4 530 3.0GHz:175 mm
- TS ThinkCentre A51 P4 540-3.2G:309 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 530 3.0GHz, TS ThinkCentre A51 P4 540-3.2G
99 specifications	A Lenovo ThinkCentre A51p P4 530 3.0GHz View product	B Lenovo TS ThinkCentre A51 P4 540-3.2G View product
Processor2 differ
Processor modelKnown for one	530	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	1	Unknown — not stated by the source
Processor frequencyDiffers	1.73 GHz	3.2 GHz
Processor cacheKnown for one	1 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	533 MHz	800 MHz
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor codenameKnown for one	Merom	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	27 W	Unknown — not stated by the source
TcaseKnown for one	67.7 °C	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Processor socketKnown for one	Socket AM2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	291 M	Unknown — not stated by the source
Processing Die sizeKnown for one	143 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	14	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.95 - 1.30 V	Unknown — not stated by the source
SteppingKnown for one	A1	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storage1 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphicsidentical
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Ports & interfacesidentical
DVI portKnown for one	No	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	310 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Software1 differ
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 (license), IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics
Processor special featuresidentical
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	No	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown 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 Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown 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
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	29733	Unknown — not stated by the source
Processor codeKnown for one	SLA2G	Unknown — not stated by the source
Processor package sizeKnown for one	35 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	175 mm	309 mm
DepthDiffers	450 mm	359 mm
HeightDiffers	492 mm	85 mm
WeightDiffers	13.5 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Configuration password -Boot sequence control -Boot without keyboard or mouse -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Hard disk drive password -Embedded Security Subsystem standard -Parallel port I/O control -Serial port I/O control -Sec	-Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Parallel port I/O control -Hard drive I/O control -Diskette I/O control -Hard disk drive password -Diskette Boot inhibit -Configuration password -Boot without keyboard or mou
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
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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