Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 P4 530 3.0GHz vs Lenovo ThinkCentre A51 Pentium 4 3.0GHz

86specifications compared
7differ
79identical
4known for one product only

Key differences

The Lenovo ThinkCentre A51 P4 530 3.0GHz has 2 mm more width than the Lenovo ThinkCentre A51 Pentium 4 3.0GHz (180 mm vs 178 mm). The Lenovo ThinkCentre A51 Pentium 4 3.0GHz has 48 mm more depth than the Lenovo ThinkCentre A51 P4 530 3.0GHz (450 mm vs 402 mm). The Lenovo ThinkCentre A51 Pentium 4 3.0GHz has 34 mm more height than the Lenovo ThinkCentre A51 P4 530 3.0GHz (432 mm vs 398 mm). Optical drive type: DVD-ROM on the Lenovo ThinkCentre A51 P4 530 3.0GHz, CD-ROM on the Lenovo ThinkCentre A51 Pentium 4 3.0GHz. Chassis type: Desktop on the Lenovo ThinkCentre A51 P4 530 3.0GHz, Tower on the Lenovo ThinkCentre A51 Pentium 4 3.0GHz.

Optical drive type
- ThinkCentre A51 P4 530 3.0GHz:DVD-ROM
- ThinkCentre A51 Pentium 4 3.0GHz:CD-ROM
Chassis type
- ThinkCentre A51 P4 530 3.0GHz:Desktop
- ThinkCentre A51 Pentium 4 3.0GHz:Tower
Width
- ThinkCentre A51 P4 530 3.0GHz:180 mm
- ThinkCentre A51 Pentium 4 3.0GHz:178 mm
Depth
- ThinkCentre A51 P4 530 3.0GHz:402 mm
- ThinkCentre A51 Pentium 4 3.0GHz:450 mm
Height
- ThinkCentre A51 P4 530 3.0GHz:398 mm
- ThinkCentre A51 Pentium 4 3.0GHz:432 mm
Weight
- ThinkCentre A51 P4 530 3.0GHz:10 kg
- ThinkCentre A51 Pentium 4 3.0GHz:10.5 kg

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 P4 530 3.0GHz, ThinkCentre A51 Pentium 4 3.0GHz
90 specifications	A Lenovo ThinkCentre A51 P4 530 3.0GHz View product	B Lenovo ThinkCentre A51 Pentium 4 3.0GHz 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
Memoryidentical
Internal memory	0.25 GB	0.25 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storage1 differ
Total storage capacity	80 GB	80 GB
Optical drive typeDiffers	DVD-ROM	CD-ROM
Storage drive typeKnown for one	SATA	Unknown — not stated by the source
Diskette drive memory	1.44 MB	1.44 MB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
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
DVD read speedKnown for one	16x	Unknown — not stated by the source
CD read speedKnown for one	Unknown — not stated by the source	48x
Networkidentical
Networking features	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	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 quantity	1	1
Parallel ports quantity	1	1
Poweridentical
Power supply	310 W	310 W
Design1 differ
Chassis typeDiffers	Desktop	Tower
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled software	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	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 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	180 mm	178 mm
DepthDiffers	402 mm	450 mm
HeightDiffers	398 mm	432 mm
WeightDiffers	10 kg	10.5 kg
Other features1 differ
Security featuresDiffers	-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	-Boot sequence control -U-Bolt anchoring feature -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -Hardfile I/O control -Diskette boot inhibit -Diskette I/O control -Boot without keyboard or mouse -Configuration password

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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