Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 Intel® Xeon® 5000 Sequence E5540 vs Lenovo ThinkCentre A58 Tower (75157FG), ES

84specifications compared
47differ
37identical
55known for one product only

Key differences

Processor family
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:Intel® Xeon® 5000 Sequence
- ThinkCentre A58 Tower (75157FG), ES:Intel® Pentium®
Processor model
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:E5540
- ThinkCentre A58 Tower (75157FG), ES:E5200
Processor cores
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:4
- ThinkCentre A58 Tower (75157FG), ES:2
Processor threads
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:8
- ThinkCentre A58 Tower (75157FG), ES:2
Processor frequency
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:2.53 GHz
- ThinkCentre A58 Tower (75157FG), ES:2.5 GHz
Processor cache
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:8 MB
- ThinkCentre A58 Tower (75157FG), ES:2 MB
Processor cache type
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:Smart Cache
- ThinkCentre A58 Tower (75157FG), ES:L2
Bus type
- ThinkStation D20 Intel® Xeon® 5000 Sequence E5540:QPI
- ThinkCentre A58 Tower (75157FG), ES:FSB

Side by side

Differences highlightedShow differences only

Comparison of D20, ThinkCentre A58 Tower (75157FG), ES
139 specifications	A Lenovo ThinkStation D20 Intel® Xeon® 5000 Sequence E5540 Model D20 View product	B Lenovo ThinkCentre A58 Tower (75157FG), ES View product
Processor18 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Pentium®
Processor modelDiffers	E5540	E5200
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.53 GHz	2.5 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	QPI	FSB
FSB Parity	No	No
System bus rateKnown for one	5.86 GT/s	Unknown — not stated by the source
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 5500 Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Nehalem EP	Wolfdale
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	80 W	65 W
TcaseDiffers	76 °C	74.1 °C
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Number of processors installed	1	1
Processor socketDiffers	Socket B (LGA 1366)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	731 M	228 M
Processing Die sizeDiffers	263 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	19	12.5
SteppingDiffers	D0	M0
Maximum internal memory supported by processorKnown for one	144 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
ECC supported by processorDiffers	Yes	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory4 differ
Internal memoryDiffers	16 GB	1 GB
Maximum internal memoryDiffers	96 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	12x DIMM	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	800 MHz
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Storage2 differ
Optical drive type	DVD-ROM	DVD-ROM
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	147 GB	Unknown — not stated by the source
HDD interfaceDiffers	Serial Attached SCSI (SAS)	SATA
HDD speedKnown for one	15000 RPM	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Total storage capacityKnown for one	Unknown — not stated by the source	250 GB
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Graphicsidentical
Maximum graphics card memoryKnown for one	0.768 GB	Unknown — not stated by the source
Graphics cardKnown for one	Quadro FX 1800	Unknown — not stated by the source
Graphics card familyKnown for one	NVIDIA	Unknown — not stated by the source
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA X4500
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® 5520	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	10	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputs	1	1
Microphone in	Yes	Yes
Firewire (IEEE 1394) portsDiffers	1	0
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantity	1	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	6	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	2	2
PCI slotsKnown for one	2	Unknown — not stated by the source
Power2 differ
Power supplyDiffers	1060 W	280 W
Power supply input voltageDiffers	100 - 240 V	110 - 220 V
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Number of 5.25" baysKnown for one	3	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Product colour	Black	Black
External drive baysKnown for one	1x 3.5", 3x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	5x 3.5"	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features11 differ
CPU configuration (max)Differs	2	1
Embedded options availableDiffers	Yes	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	Yes	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)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	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® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	37104	37212
Processor codeKnown for one	SLBF6	Unknown — not stated by the source
Processor package sizeDiffers	42.5 x 45 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	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
Audio1 differ
Audio systemDiffers	HD	ALC662
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	210 mm	175 mm
DepthDiffers	602 mm	442 mm
HeightDiffers	485 mm	412 mm
WeightDiffers	25 kg	11.2 kg
Packaging contentidentical
Mouse included	Yes	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No

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.

More pcs/workstations comparisons

All pcs/workstations comparisons