Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Intel® Pentium® 4 630 vs Lenovo ThinkCentre A53

80specifications compared
25differ
55identical
17known for one product only

Key differences

Processor family
- ThinkCentre A51 Intel® Pentium® 4 630:Intel® Pentium® 4
- ThinkCentre A53:Intel® Pentium® D
Processor model
- ThinkCentre A51 Intel® Pentium® 4 630:630
- ThinkCentre A53:820
Processor cores
- ThinkCentre A51 Intel® Pentium® 4 630:1
- ThinkCentre A53:2
Processor frequency
- ThinkCentre A51 Intel® Pentium® 4 630:3 GHz
- ThinkCentre A53:2.8 GHz
Processor codename
- ThinkCentre A51 Intel® Pentium® 4 630:Prescott
- ThinkCentre A53:Smithfield
Thermal Design Power (TDP)
- ThinkCentre A51 Intel® Pentium® 4 630:84 W
- ThinkCentre A53:95 W
Tcase
- ThinkCentre A51 Intel® Pentium® 4 630:66.6 °C
- ThinkCentre A53:64.1 °C
Number of Processing Die Transistors
- ThinkCentre A51 Intel® Pentium® 4 630:169 M
- ThinkCentre A53:230 M

Side by side

Differences highlightedShow differences only

Comparison of A51, ThinkCentre A53
97 specifications	A Lenovo ThinkCentre A51 Intel® Pentium® 4 630 Model A51 View product	B Lenovo ThinkCentre A53 View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® 4	Intel® Pentium® D
Processor modelDiffers	630	820
Processor coresDiffers	1	2
Processor threads	2	2
Processor frequencyDiffers	3 GHz	2.8 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 seriesDiffers	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Intel Pentium D 800 Series
Processor codenameDiffers	Prescott	Smithfield
Thermal Design Power (TDP)Differs	84 W	95 W
TcaseDiffers	66.6 °C	64.1 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	169 M	230 M
Processing Die sizeDiffers	135 mm²	206 mm²
CPU multiplier (bus/core ratio)Differs	15	14
ECC supported by processor	No	No
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.40 V
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	Unknown — not stated by the source	2x DIMM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD speed	7200 RPM	7200 RPM
Storage drive typeKnown for one	SATA	Unknown — not stated by the source
Diskette drive memoryKnown for one	1.44 MB	Unknown — not stated by the source
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 900	AMD Radeon Xpress X300
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	6	Unknown — not stated by the source
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
TV-outKnown for one	No	Unknown — not stated by the source
Serial ports quantity	1	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	310 W	220 W
Designidentical
Chassis type	Desktop	Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Adobe Acrobat Reader, Diskeeper Lite from Diskeeper, Google Desktop, Google Toolbar, Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium edition (license), PC Doctor diagnostics, Picasa from Google, Symantec Client Security (OEM edition) with 90 days of virus definitions updates, T
Displayidentical
Display included	No	No
Processor special features5 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	No	Yes
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 StateDiffers	No	Yes
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	27478	27512
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)Differs	Yes	No
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
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	32 bit
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	ADI 1986 A
Weight & dimensions4 differ
WidthDiffers	442 mm	331 mm
DepthDiffers	401 mm	412 mm
HeightDiffers	146 mm	108 mm
WeightDiffers	14 kg	9.4 kg
Other featuresidentical
Security featuresKnown for one	-Parallel port I/O control -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Boot sequence control -Boot without keyboard or mouse -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature	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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