Product comparison · 2 pcs/workstations

Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP vs Lenovo TS ThinkCentre A52 P4 640 3.2GHz

93specifications compared
15differ
78identical
9known for one product only

Key differences

Maximum internal memory
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:2 GB
- TS ThinkCentre A52 P4 640 3.2GHz:4 GB
Internal memory type
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:DDR-SDRAM
- TS ThinkCentre A52 P4 640 3.2GHz:DDR2-SDRAM
Total storage capacity
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:80 GB
- TS ThinkCentre A52 P4 640 3.2GHz:160 GB
Optical drive type
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:DVD-ROM
- TS ThinkCentre A52 P4 640 3.2GHz:DVD-RW
Discrete graphics card model
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:Intel® GMA 900
- TS ThinkCentre A52 P4 640 3.2GHz:Intel® GMA 950
Serial ports quantity
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:0
- TS ThinkCentre A52 P4 640 3.2GHz:1
Power supply
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:225 W
- TS ThinkCentre A52 P4 640 3.2GHz:310 W
Chassis type
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:SFF
- TS ThinkCentre A52 P4 640 3.2GHz:Tower

Side by side

Differences highlightedShow differences only

Comparison of TS ThinkCentre A51 P4 640 512MB 80GB XPP, TS ThinkCentre A52 P4 640 3.2GHz
102 specifications	A Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP View product	B Lenovo TS ThinkCentre A52 P4 640 3.2GHz View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	640	640
Processor cores	1	1
Processor threads	2	2
Processor frequency	3.2 GHz	3.2 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 codename	Prescott	Prescott
Thermal Design Power (TDP)	84 W	84 W
Tcase	66.6 °C	66.6 °C
PCI Express slots version	2.0	2.0
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)	16	16
Processor core voltage (AC)	1.25 - 1.388 V	1.25 - 1.388 V
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066 MHz	1066 MHz
Memory bandwidth supported by processor (max)	17 GB/s	17 GB/s
ECC supported by processor	No	No
Memory2 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Memory channels	Dual-channel	Dual-channel
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
Optical drive typeDiffers	DVD-ROM	DVD-RW
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 900	Intel® GMA 950
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
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 speedKnown for one	12x	Unknown — not stated by the source
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
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
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Parallel ports quantity	1	1
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	225 W	310 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnosti	Access Program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 with 90 days of virus definition upgrades; PC Doctor diagnostics
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)	1	1
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 Enhanced Halt State	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	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	27480	27480
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.1/4.2	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
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	309 mm	178 mm
DepthDiffers	359 mm	450 mm
HeightDiffers	85 mm	430 mm
WeightDiffers	8.5 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 -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu	-Serial port I/O control -U-Bolt anchoring feature -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Diskette I/O control -Diskette boot inhibit -Boot sequence control -Boot without keyboard or mouse -Configuration password
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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