Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 P4 530 3.0GHz vs Lenovo TS ThinkCentre A51 P4 630-3G

84specifications compared
27differ
57identical
9known for one product only

Key differences

The Lenovo TS ThinkCentre A51 P4 630-3G has 100 more processor model than the Lenovo ThinkCentre A51 P4 530 3.0GHz (630 vs 530). The Lenovo TS ThinkCentre A51 P4 630-3G has 1 more processor threads than the Lenovo ThinkCentre A51 P4 530 3.0GHz (2 vs 1). The Lenovo TS ThinkCentre A51 P4 630-3G has 1.27 GHz more processor frequency than the Lenovo ThinkCentre A51 P4 530 3.0GHz (3 GHz vs 1.73 GHz). Only the Lenovo ThinkCentre A51 P4 530 3.0GHz has embedded options available. Only the Lenovo TS ThinkCentre A51 P4 630-3G has enhanced Intel SpeedStep Technology.

Processor model
- ThinkCentre A51 P4 530 3.0GHz:530
- TS ThinkCentre A51 P4 630-3G:630
Processor threads
- ThinkCentre A51 P4 530 3.0GHz:1
- TS ThinkCentre A51 P4 630-3G:2
Processor frequency
- ThinkCentre A51 P4 530 3.0GHz:1.73 GHz
- TS ThinkCentre A51 P4 630-3G:3 GHz
Processor cache
- ThinkCentre A51 P4 530 3.0GHz:1 MB
- TS ThinkCentre A51 P4 630-3G:2 MB
Processor front side bus
- ThinkCentre A51 P4 530 3.0GHz:533 MHz
- TS ThinkCentre A51 P4 630-3G:800 MHz
Processor lithography
- ThinkCentre A51 P4 530 3.0GHz:65 nm
- TS ThinkCentre A51 P4 630-3G:90 nm
Processor codename
- ThinkCentre A51 P4 530 3.0GHz:Merom
- TS ThinkCentre A51 P4 630-3G:Prescott
Thermal Design Power (TDP)
- ThinkCentre A51 P4 530 3.0GHz:27 W
- TS ThinkCentre A51 P4 630-3G:84 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 P4 530 3.0GHz, TS ThinkCentre A51 P4 630-3G
93 specifications	A Lenovo ThinkCentre A51 P4 530 3.0GHz View product	B Lenovo TS ThinkCentre A51 P4 630-3G View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor modelDiffers	530	630
Processor cores	1	1
Processor threadsDiffers	1	2
Processor frequencyDiffers	1.73 GHz	3 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	65 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codenameDiffers	Merom	Prescott
Thermal Design Power (TDP)Differs	27 W	84 W
TcaseDiffers	67.7 °C	66.6 °C
Processor socketDiffers	Socket AM2	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	291 M	169 M
Processing Die sizeDiffers	143 mm²	135 mm²
CPU multiplier (bus/core ratio)Differs	14	15
ECC supported by processor	No	No
TjunctionKnown for one	100 °C	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
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-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
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit 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
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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 edition (license), 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 features5 differ
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
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 IDDiffers	29733	27478
Processor package sizeDiffers	35 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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
Processor codeKnown for one	SLA2G	Unknown — not stated by the source
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	180 mm	178 mm
DepthDiffers	402 mm	450 mm
HeightDiffers	398 mm	430 mm
WeightDiffers	10 kg	12.5 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 -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O 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

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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