Product comparison · 2 pcs/workstations

Lenovo TS ThinkCenre A50 P4 3.0HGz vs Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP

34specifications compared
12differ
22identical
67known for one product only

Key differences

Processor frequency
- TS ThinkCenre A50 P4 3.0HGz:3 GHz
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:3.2 GHz
Maximum internal memory
- TS ThinkCenre A50 P4 3.0HGz:4 GB
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:2 GB
Video adapter, bus
- TS ThinkCenre A50 P4 3.0HGz:Direct AGP
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:PCI Express
DVD read speed
- TS ThinkCenre A50 P4 3.0HGz:16x
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:12x
USB 2.0 ports quantity
- TS ThinkCenre A50 P4 3.0HGz:6
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:8
Power supply
- TS ThinkCenre A50 P4 3.0HGz:230 W
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:225 W
Chassis type
- TS ThinkCenre A50 P4 3.0HGz:Tower
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:SFF
Width
- TS ThinkCenre A50 P4 3.0HGz:191 mm
- TS ThinkCentre A51 P4 640 512MB 80GB XPP:309 mm

Side by side

Differences highlightedShow differences only

Comparison of TS ThinkCenre A50 P4 3.0HGz, TS ThinkCentre A51 P4 640 512MB 80GB XPP
101 specifications	A Lenovo TS ThinkCenre A50 P4 3.0HGz View product	B Lenovo TS ThinkCentre A51 P4 640 512MB 80GB XPP View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor modelKnown for one	Unknown — not stated by the source	640
Processor coresKnown for one	Unknown — not stated by the source	1
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	3 GHz	3.2 GHz
Processor cacheKnown for one	Unknown — not stated by the source	2 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Processor front side bus	800 MHz	800 MHz
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor lithographyKnown for one	Unknown — not stated by the source	90 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor codenameKnown for one	Unknown — not stated by the source	Prescott
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	84 W
TcaseKnown for one	Unknown — not stated by the source	66.6 °C
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor socketKnown for one	Unknown — not stated by the source	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	169 M
Processing Die sizeKnown for one	Unknown — not stated by the source	135 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	16
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.388 V
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	17 GB/s
ECC supported by processorKnown for one	Unknown — not stated by the source	No
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	Unknown — not stated by the source	Dual-channel
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
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Video adapter, busDiffers	Direct AGP	PCI Express
Performanceidentical
Product type	PC	PC
Optical drive1 differ
CD read speed	48x	48x
CD write speed	48x	48x
CD rewrite speed	32x	32x
DVD read speedDiffers	16x	12x
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
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantity	1	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Power1 differ
Power supplyDiffers	230 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	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
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	27480
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1/4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	191 mm	309 mm
DepthDiffers	406 mm	359 mm
HeightDiffers	413 mm	85 mm
WeightDiffers	10.2 kg	8.5 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 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

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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