Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US vs Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB

32specifications compared
12differ
20identical
64known for one product only

Key differences

The Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US has 0.2 GHz more processor frequency than the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB (3.2 GHz vs 3 GHz). The Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US has 2 GB more maximum internal memory than the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB (4 GB vs 2 GB). The Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US has 110 W more power supply than the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB (310 W vs 200 W). Video adapter, bus: PCI Express on the Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US, Direct AGP on the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB. Networking features: Ethernet/Fast Ethernet/Gigabit Ethernet on the Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US, Ethernet/Fast Ethernet on the Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB.

Processor frequency
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:3.2 GHz
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:3 GHz
Maximum internal memory
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:4 GB
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:2 GB
Video adapter, bus
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:PCI Express
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:Direct AGP
Power supply
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:310 W
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:200 W
Chassis type
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:Desktop
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:SFF
Width
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:175 mm
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:309 mm
Depth
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:450 mm
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:359 mm
Height
- ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US:492 mm
- ThinkCentre S50 P4 3.0GHz 512MB 80GB:85 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US, ThinkCentre S50 P4 3.0GHz 512MB 80GB
96 specifications	A Lenovo ThinkCentre M51 P4 3.2 (640) HT 512/80G/DVD/LAN/WXP US View product	B Lenovo ThinkCentre S50 P4 3.0GHz 512MB 80GB View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor modelKnown for one	640	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	3.2 GHz	3 GHz
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side bus	800 MHz	800 MHz
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	90 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor codenameKnown for one	Prescott	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	84 W	Unknown — not stated by the source
TcaseKnown for one	66.6 °C	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	169 M	Unknown — not stated by the source
Processing Die sizeKnown for one	135 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	16	Unknown — not stated by the source
Processor core voltage (AC)Known for one	1.25 - 1.388 V	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	17 GB/s	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-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	Ultra-ATA/100
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA 900	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
Video adapter, busDiffers	PCI Express	Direct AGP
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet
Ports & interfacesidentical
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
Parallel ports quantity	1	1
Power1 differ
Power supply typeKnown for one	110~220V	Unknown — not stated by the source
Power supplyDiffers	310 W	200 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access Support Connected Client, IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, Norton AntiVirus 2003 OEM Version, PC Doctor Diagnostics, Rapid Restore Ultra, IBM Update Con
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	27480	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.1/4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	175 mm	309 mm
DepthDiffers	450 mm	359 mm
HeightDiffers	492 mm	85 mm
WeightDiffers	13.5 kg	8.3 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	-Diskette I/O control -Boot sequence control -Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Security slot (for attachment of optional cable lock) -Serial port I/O control -Embedded Security Subsystem 2.0 -Hardfile I/O control -Power on password -Parallel I/O control
Intel segment taggingKnown for one	Enterprise, Professional	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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