Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A58 Tower (75157FG), FR vs Lenovo ThinkStation D20 (415521G), FR

83specifications compared
45differ
38identical
39known for one product only

Key differences

Processor family
- ThinkCentre A58 Tower (75157FG), FR:Intel® Pentium®
- ThinkStation D20 (415521G), FR:Intel® Xeon® 5000 Sequence
Processor model
- ThinkCentre A58 Tower (75157FG), FR:E5200
- ThinkStation D20 (415521G), FR:E5506
Processor cores
- ThinkCentre A58 Tower (75157FG), FR:2
- ThinkStation D20 (415521G), FR:4
Processor threads
- ThinkCentre A58 Tower (75157FG), FR:2
- ThinkStation D20 (415521G), FR:4
Processor frequency
- ThinkCentre A58 Tower (75157FG), FR:2.5 GHz
- ThinkStation D20 (415521G), FR:2.13 GHz
Processor cache
- ThinkCentre A58 Tower (75157FG), FR:2 MB
- ThinkStation D20 (415521G), FR:4 MB
Processor cache type
- ThinkCentre A58 Tower (75157FG), FR:L2
- ThinkStation D20 (415521G), FR:Smart Cache
Bus type
- ThinkCentre A58 Tower (75157FG), FR:FSB
- ThinkStation D20 (415521G), FR:QPI

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A58 Tower (75157FG), FR, ThinkStation D20 (415521G), FR
122 specifications	A Lenovo ThinkCentre A58 Tower (75157FG), FR View product	B Lenovo ThinkStation D20 (415521G), FR View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5200	E5506
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.5 GHz	2.13 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	QPI
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium E5000 Series for Desktop	Intel Xeon 5500 Series
Processor codenameDiffers	Wolfdale	Nehalem EP
Thermal Design Power (TDP)Differs	65 W	80 W
TcaseDiffers	74.1 °C	76 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	12.5	16
SteppingDiffers	M0	D0
ECC supported by processorDiffers	No	Yes
System bus rateKnown for one	Unknown — not stated by the source	4.8 GT/s
Processor system typeKnown for one	Unknown — not stated by the source	DP
Number of QPI linksKnown for one	Unknown — not stated by the source	2
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 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	19.2 GB/s
Memory5 differ
Internal memoryDiffers	1 GB	4 GB
Maximum internal memoryDiffers	4 GB	96 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 1 GB	2 x 2 GB
Memory clock speedDiffers	800 MHz	1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage2 differ
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	DVD-RW
HDD interface	SATA	SATA
Card reader integratedDiffers	No	Yes
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	6	10
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	0	2
Serial ports quantity	1	1
Parallel ports quantityDiffers	1	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slots1 differ
PCI Express x16 slotsDiffers	2	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supplyDiffers	280 W	1060 W
Power supply input voltageKnown for one	110 - 220 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	100-240V; 50/60Hz
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
Displayidentical
Display included	No	No
Processor special features8 differ
CPU configuration (max)Differs	1	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® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	37212	37096
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	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
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 codeKnown for one	Unknown — not stated by the source	SLBF8
Audio1 differ
Audio systemDiffers	ALC662	ADI 1988 A
Weight & dimensions4 differ
WidthDiffers	175 mm	210 mm
DepthDiffers	442 mm	579 mm
HeightDiffers	412 mm	485 mm
WeightDiffers	11.2 kg	24.9 kg
Packaging contentidentical
Mouse included	Yes	Yes
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB

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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