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 manufacturer	Intel	Intel
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
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
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
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
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
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	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
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Design1 differ
Chassis typeDiffers	SFF	Tower
Displayidentical
Display included	No	No
Processor special features10 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
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)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
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
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
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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