Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + ServicePac 3 Years On-site vs Lenovo ThinkStation S20

79specifications compared
43differ
36identical
28known for one product only

Key differences

Processor family
- ThinkCentre A57 + ServicePac 3 Years On-site:Intel® Core™2 Duo
- ThinkStation S20:Intel® Xeon® 5000 Sequence
Processor model
- ThinkCentre A57 + ServicePac 3 Years On-site:E7300
- ThinkStation S20:E5530
Processor cores
- ThinkCentre A57 + ServicePac 3 Years On-site:2
- ThinkStation S20:4
Processor threads
- ThinkCentre A57 + ServicePac 3 Years On-site:2
- ThinkStation S20:8
Processor frequency
- ThinkCentre A57 + ServicePac 3 Years On-site:2.66 GHz
- ThinkStation S20:2.4 GHz
Processor cache
- ThinkCentre A57 + ServicePac 3 Years On-site:3 MB
- ThinkStation S20:8 MB
Processor cache type
- ThinkCentre A57 + ServicePac 3 Years On-site:L2
- ThinkStation S20:Smart Cache
Bus type
- ThinkCentre A57 + ServicePac 3 Years On-site:FSB
- ThinkStation S20:QPI

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 + ServicePac 3 Years On-site, ThinkStation S20
107 specifications	A Lenovo ThinkCentre A57 + ServicePac 3 Years On-site View product	B Lenovo ThinkStation S20 View product
Processor18 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E7300	E5530
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.66 GHz
Processor frequencyDiffers	2.66 GHz	2.4 GHz
Processor cacheDiffers	3 MB	8 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeDiffers	FSB	QPI
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Wolfdale	Nehalem EP
Processor system typeKnown for one	Unknown — not stated by the source	DP
Thermal Design Power (TDP)Differs	65 W	80 W
TcaseDiffers	74.1 °C	76 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	228 M	731 M
Processing Die sizeDiffers	82 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	10	18
SteppingDiffers	M0	D0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 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	800,1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	4 GB	12 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage1 differ
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
Card reader integratedDiffers	No	Yes
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.768 GB
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 1800
Discrete graphics card modelKnown for one	Intel® GMA 3100	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® X58 Express
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	6	10
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityDiffers	0	1
Parallel ports quantityDiffers	1	0
Power2 differ
Power supplyDiffers	280 W	625 W
Power supply input voltageDiffers	110 - 220 V	100 - 240 V
Design1 differ
Chassis typeDiffers	SFF	Tower
Processor special features10 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Intel Demand Based SwitchingDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	36463	37103
Processor codeDiffers	SLAPB	SLBF7
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Audio1 differ
Audio systemDiffers	Realtek ALC662	ADI 1988 A
Weight & dimensions4 differ
WidthDiffers	317 mm	175 mm
DepthDiffers	355 mm	460 mm
HeightDiffers	99 mm	478 mm
WeightDiffers	3.31 kg	16.3 kg
Networkidentical
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows Vista Business	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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