Product comparison · 2 pcs/workstations

Lenovo TS ThinkCentre A51 P4-3.0 vs Lenovo TS ThinkCentre A51p P4 530-3.0G

87specifications compared
11differ
76identical
3known for one product only

Key differences

Internal memory
- TS ThinkCentre A51 P4-3.0:0.5 GB
- TS ThinkCentre A51p P4 530-3.0G:0.25 GB
Maximum internal memory
- TS ThinkCentre A51 P4-3.0:2 GB
- TS ThinkCentre A51p P4 530-3.0G:4 GB
Internal memory type
- TS ThinkCentre A51 P4-3.0:DDR-SDRAM
- TS ThinkCentre A51p P4 530-3.0G:DDR2-SDRAM
Power supply
- TS ThinkCentre A51 P4-3.0:225 W
- TS ThinkCentre A51p P4 530-3.0G:310 W
Chassis type
- TS ThinkCentre A51 P4-3.0:Small Desktop
- TS ThinkCentre A51p P4 530-3.0G:Tower
Width
- TS ThinkCentre A51 P4-3.0:127 mm
- TS ThinkCentre A51p P4 530-3.0G:175 mm
Depth
- TS ThinkCentre A51 P4-3.0:390 mm
- TS ThinkCentre A51p P4 530-3.0G:450 mm
Height
- TS ThinkCentre A51 P4-3.0:346 mm
- TS ThinkCentre A51p P4 530-3.0G:492 mm

Side by side

Differences highlightedShow differences only

Comparison of TS ThinkCentre A51 P4-3.0, TS ThinkCentre A51p P4 530-3.0G
90 specifications	A Lenovo TS ThinkCentre A51 P4-3.0 View product	B Lenovo TS ThinkCentre A51p P4 530-3.0G View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	530	530
Processor cores	1	1
Processor threads	1	1
Processor frequency	1.73 GHz	1.73 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor front side bus	533 MHz	533 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor codename	Merom	Merom
Thermal Design Power (TDP)	27 W	27 W
Tcase	67.7 °C	67.7 °C
Tjunction	100 °C	100 °C
Processor socket	Socket AM2	Socket AM2
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)	14	14
Processor core voltage (AC)	0.95 - 1.30 V	0.95 - 1.30 V
Stepping	A1	A1
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR-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
CD read speedKnown for one	48x	Unknown — not stated by the source
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
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
Power1 differ
Power supplyDiffers	225 W	310 W
Design1 differ
Chassis typeDiffers	Small Desktop	Tower
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)	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	Yes	Yes
Enhanced Intel SpeedStep Technology	No	No
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	29733	29733
Processor code	SLA2G	SLA2G
Processor package size	35 mm	35 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
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 & dimensions4 differ
WidthDiffers	127 mm	175 mm
DepthDiffers	390 mm	450 mm
HeightDiffers	346 mm	492 mm
WeightDiffers	8.5 kg	13.5 kg
Other features1 differ
Security featuresDiffers	-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 -Hard disk drive password -Hard drive I/O control -Diskette I/O control -Configuration password -Diskette Boot inhibit -Boot without keyboard or mou	-Embedded Security Subsystem standard -Diskette I/O control -Parallel port I/O control -Power on password -Secure Data Disposal -Serial port I/O control -Hard disk drive password -Hardfile I/O control -Kensington Lock Standard Enabled -Diskette boot inhibit -Configuration password -Boot sequence con

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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