Product comparison · 2 pcs/workstations

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

33specifications compared
12differ
21identical
63known for one product only

Key differences

Processor frequency
- ThinkCentre A51p P4 530 3.0GHz:1.73 GHz
- TS ThinkCentre A51 P4 540 3.2GHz:3.2 GHz
Processor front side bus
- ThinkCentre A51p P4 530 3.0GHz:533 MHz
- TS ThinkCentre A51 P4 540 3.2GHz:800 MHz
Internal memory
- ThinkCentre A51p P4 530 3.0GHz:0.5 GB
- TS ThinkCentre A51 P4 540 3.2GHz:0.25 GB
Total storage capacity
- ThinkCentre A51p P4 530 3.0GHz:160 GB
- TS ThinkCentre A51 P4 540 3.2GHz:80 GB
USB 2.0 ports quantity
- ThinkCentre A51p P4 530 3.0GHz:8
- TS ThinkCentre A51 P4 540 3.2GHz:6
Serial ports quantity
- ThinkCentre A51p P4 530 3.0GHz:0
- TS ThinkCentre A51 P4 540 3.2GHz:1
Width
- ThinkCentre A51p P4 530 3.0GHz:175 mm
- TS ThinkCentre A51 P4 540 3.2GHz:178 mm
Height
- ThinkCentre A51p P4 530 3.0GHz:492 mm
- TS ThinkCentre A51 P4 540 3.2GHz:430 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 530 3.0GHz, TS ThinkCentre A51 P4 540 3.2GHz
96 specifications	A Lenovo ThinkCentre A51p P4 530 3.0GHz View product	B Lenovo TS ThinkCentre A51 P4 540 3.2GHz View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
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
Memory1 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storage1 differ
Total storage capacityDiffers	160 GB	80 GB
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
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	No	Unknown — not stated by the source
PS/2 ports quantity	2	2
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 quantityDiffers	0	1
Parallel ports quantity	1	1
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
Poweridentical
Power supply	310 W	310 W
Designidentical
Chassis type	Tower	Tower
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
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, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Displayidentical
Display included	No	No
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
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions3 differ
WidthDiffers	175 mm	178 mm
Depth	450 mm	450 mm
HeightDiffers	492 mm	430 mm
WeightDiffers	13.5 kg	12.5 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	-Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature
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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