Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 P4 630 HT 3.0GHz vs Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP

82specifications compared
12differ
70identical
5known for one product only

Key differences

The Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP has 0.25 GB more internal memory than the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz (0.5 GB vs 0.25 GB). The Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP has 2 more USB 2.0 ports quantity than the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz (8 vs 6). The Lenovo ThinkCentre A51 P4 630 HT 3.0GHz has 85 W more power supply than the Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP (310 W vs 225 W). Discrete graphics card model: Intel® GMA 900 on the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz, Intel® GMA 950 on the Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP. Chassis type: Tower on the Lenovo ThinkCentre A51 P4 630 HT 3.0GHz, SFF on the Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP.

Internal memory
- ThinkCentre A51 P4 630 HT 3.0GHz:0.25 GB
- ThinkCentre M52 P4 3000 512MB 80GB XPP:0.5 GB
Discrete graphics card model
- ThinkCentre A51 P4 630 HT 3.0GHz:Intel® GMA 900
- ThinkCentre M52 P4 3000 512MB 80GB XPP:Intel® GMA 950
USB 2.0 ports quantity
- ThinkCentre A51 P4 630 HT 3.0GHz:6
- ThinkCentre M52 P4 3000 512MB 80GB XPP:8
Power supply
- ThinkCentre A51 P4 630 HT 3.0GHz:310 W
- ThinkCentre M52 P4 3000 512MB 80GB XPP:225 W
Chassis type
- ThinkCentre A51 P4 630 HT 3.0GHz:Tower
- ThinkCentre M52 P4 3000 512MB 80GB XPP:SFF
Audio system
- ThinkCentre A51 P4 630 HT 3.0GHz:SoundMAX Cadenza
- ThinkCentre M52 P4 3000 512MB 80GB XPP:ADI 1891 HD
Width
- ThinkCentre A51 P4 630 HT 3.0GHz:178 mm
- ThinkCentre M52 P4 3000 512MB 80GB XPP:309 mm
Depth
- ThinkCentre A51 P4 630 HT 3.0GHz:450 mm
- ThinkCentre M52 P4 3000 512MB 80GB XPP:359 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 P4 630 HT 3.0GHz, ThinkCentre M52 P4 3000 512MB 80GB XPP
87 specifications	A Lenovo ThinkCentre A51 P4 630 HT 3.0GHz View product	B Lenovo ThinkCentre M52 P4 3000 512MB 80GB XPP View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	630	630
Processor cores	1	1
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	90 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codename	Prescott	Prescott
Thermal Design Power (TDP)	84 W	84 W
Tcase	66.6 °C	66.6 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	169 M	169 M
Processing Die size	135 mm²	135 mm²
CPU multiplier (bus/core ratio)	15	15
ECC supported by processor	No	No
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 typeKnown for one	Unknown — not stated by the source	SATA
Diskette drive memory	1.44 MB	1.44 MB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 900	Intel® GMA 950
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	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
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	310 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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	Access Program; Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	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 ID	27478	27478
Processor package size	37.5 x 37.5 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)	Yes	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
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	ADI 1891 HD
Weight & dimensions4 differ
WidthDiffers	178 mm	309 mm
DepthDiffers	450 mm	359 mm
HeightDiffers	430 mm	85 mm
WeightDiffers	12.5 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Boot without keyboard or mouse -Boot sequence control -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	-Security slot (for attachment of optional cable lock) -Serial port I/O control -Power on password -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Configuration password -Diskette Boot inhibit -Boot without keyboard or mouse
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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