Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP vs Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP

86specifications compared
7differ
79identical
8known for one product only

Key differences

The Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP has 2 more USB 2.0 ports quantity than the Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP (8 vs 6). The Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP has 3 mm more width than the Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP (178 mm vs 175 mm). The Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP has 62 mm more height than the Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP (492 mm vs 430 mm). Internal memory type: DDR-SDRAM on the Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP, DDR2-SDRAM on the Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP.

Internal memory type
- ThinkCentre M51 P4 3000 512MB 80GB XPP:DDR-SDRAM
- TS ThinkCentre A51 P4 530 512MB 80GB XPP:DDR2-SDRAM
USB 2.0 ports quantity
- ThinkCentre M51 P4 3000 512MB 80GB XPP:8
- TS ThinkCentre A51 P4 530 512MB 80GB XPP:6
Width
- ThinkCentre M51 P4 3000 512MB 80GB XPP:175 mm
- TS ThinkCentre A51 P4 530 512MB 80GB XPP:178 mm
Height
- ThinkCentre M51 P4 3000 512MB 80GB XPP:492 mm
- TS ThinkCentre A51 P4 530 512MB 80GB XPP:430 mm
Weight
- ThinkCentre M51 P4 3000 512MB 80GB XPP:13.5 kg
- TS ThinkCentre A51 P4 530 512MB 80GB XPP:12.5 kg

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M51 P4 3000 512MB 80GB XPP, TS ThinkCentre A51 P4 530 512MB 80GB XPP
94 specifications	A Lenovo ThinkCentre M51 P4 3000 512MB 80GB XPP View product	B Lenovo TS ThinkCentre A51 P4 530 512MB 80GB XPP 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
Memory1 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 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 resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
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 speed	16x	16x
Ports & interfaces1 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
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantity	1	1
Poweridentical
Power supply	310 W	310 W
Power supply typeKnown for one	110~220V	Unknown — not stated by the source
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), 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, Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue & Recovery with Rapid Restore
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 & 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	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control	-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
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Ethernet/Fast Ethernet/Gigabit Ethernet	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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