Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A53 vs Lenovo ThinkCentre A55

86specifications compared
20differ
66identical
5known for one product only

Key differences

Processor model
- ThinkCentre A53:820
- ThinkCentre A55:915
Processor cache
- ThinkCentre A53:2 MB
- ThinkCentre A55:4 MB
Processor lithography
- ThinkCentre A53:90 nm
- ThinkCentre A55:65 nm
Processor series
- ThinkCentre A53:Intel Pentium D 800 Series
- ThinkCentre A55:Intel Pentium D 900 Series
Processor codename
- ThinkCentre A53:Smithfield
- ThinkCentre A55:Presler
Tcase
- ThinkCentre A53:64.1 °C
- ThinkCentre A55:63.4 °C
Number of Processing Die Transistors
- ThinkCentre A53:230 M
- ThinkCentre A55:376 M
Processing Die size
- ThinkCentre A53:206 mm²
- ThinkCentre A55:162 mm²

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A53, ThinkCentre A55
91 specifications	A Lenovo ThinkCentre A53 View product	B Lenovo ThinkCentre A55 View product
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® D	Intel® Pentium® D
Processor modelDiffers	820	915
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.8 GHz	2.8 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	90 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium D 800 Series	Intel Pentium D 900 Series
Processor codenameDiffers	Smithfield	Presler
Thermal Design Power (TDP)	95 W	95 W
TcaseDiffers	64.1 °C	63.4 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	230 M	376 M
Processing Die sizeDiffers	206 mm²	162 mm²
CPU multiplier (bus/core ratio)	14	14
ECC supported by processor	No	No
Processor core voltage (AC)Known for one	1.25 - 1.40 V	Unknown — not stated by the source
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slots	2x DIMM	2x DIMM
Storage1 differ
Total storage capacityDiffers	80 GB	160 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon Xpress X300	Intel® GMA 3000
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	6
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
Serial ports quantity	1	1
Parallel ports quantity	1	1
Power1 differ
Power supplyDiffers	220 W	280 W
Design1 differ
Chassis typeDiffers	Desktop	Tower
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	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	Adobe Acrobat Reader, Diskeeper Lite from Diskeeper, Google Desktop, Google Toolbar, Lotus Notes Stand-alone Client, Lotus SmartSuite Millennium edition, PC Doctor diagnostics, Picasa - Google, Symantec Client Security (OEM), ThinkVantage Client Security Software, ThinkVantage Productivity Center, T
Displayidentical
Display included	No	No
Processor special features2 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	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 State	Yes	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
Physical Address Extension (PAE)	32 bit	32 bit
Processor ARK IDDiffers	27512	27515
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)	No	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
Audioidentical
Audio system	ADI 1986 A	ADI 1986 A
Weight & dimensions4 differ
WidthDiffers	331 mm	175 mm
DepthDiffers	412 mm	440 mm
HeightDiffers	108 mm	402 mm
WeightDiffers	9.4 kg	11 kg

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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