Product comparison · 2 pcs/workstations

Lenovo M90p Tower vs Lenovo ThinkStation D20 + 24" Monitor

96specifications compared
56differ
40identical
64known for one product only

Key differences

The Lenovo ThinkStation D20 + 24" Monitor has 2 more processor cores than the Lenovo M90p Tower (4 vs 2). The Lenovo ThinkStation D20 + 24" Monitor has 4 more processor threads than the Lenovo M90p Tower (8 vs 4). The Lenovo M90p Tower has 0.93 GHz more processor boost frequency than the Lenovo ThinkStation D20 + 24" Monitor (3.46 GHz vs 2.53 GHz). Only the Lenovo ThinkStation D20 + 24" Monitor has ECC supported by processor. Only the Lenovo ThinkStation D20 + 24" Monitor has card reader integrated.

Processor family
- M90p Tower:Intel® Core™ i5
- ThinkStation D20 + 24" Monitor:Intel® Xeon® 5000 Sequence
Processor model
- M90p Tower:i5-650
- ThinkStation D20 + 24" Monitor:E5520
Processor cores
- M90p Tower:2
- ThinkStation D20 + 24" Monitor:4
Processor threads
- M90p Tower:4
- ThinkStation D20 + 24" Monitor:8
Processor boost frequency
- M90p Tower:3.46 GHz
- ThinkStation D20 + 24" Monitor:2.53 GHz
Processor frequency
- M90p Tower:3.2 GHz
- ThinkStation D20 + 24" Monitor:2.26 GHz
Processor cache
- M90p Tower:4 MB
- ThinkStation D20 + 24" Monitor:8 MB
Bus type
- M90p Tower:DMI
- ThinkStation D20 + 24" Monitor:QPI

Side by side

Differences highlightedShow differences only

Comparison of M90p Tower, ThinkStation D20 + 24" Monitor
160 specifications	A Lenovo M90p Tower View product	B Lenovo ThinkStation D20 + 24" Monitor View product
Processor23 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-650	E5520
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.46 GHz	2.53 GHz
Processor frequencyDiffers	3.2 GHz	2.26 GHz
Processor cacheDiffers	4 MB	8 MB
Bus typeDiffers	DMI	QPI
System bus rateDiffers	2.5 GT/s	5.86 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i5-600 Desktop Series	Intel Xeon 5500 Series
Processor codenameDiffers	Clarkdale	Nehalem EP
Thermal Design Power (TDP)Differs	73 W	80 W
TcaseDiffers	72.6 °C	72 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	382 M	731 M
Processing Die sizeDiffers	81 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	24	17
PlatformKnown for one	PC	Unknown — not stated by the source
SteppingDiffers	C2	D0
Maximum internal memory supported by processorDiffers	16 GB	144 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
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 number of SMP processorsKnown for one	Unknown — not stated by the source	2
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Memory slotsDiffers	4x DIMM	12x DIMM
Memory channelsDiffers	Dual-channel	Triple-channel
Maximum internal memoryKnown for one	Unknown — not stated by the source	192 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Storage4 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	DVD-RW
HDD interfaceDiffers	SATA	SATA, SATA II
Card reader integratedDiffers	No	Yes
RAID levelsDiffers	0, 1	0, 1, 5, 10
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
RAID supportKnown for one	Unknown — not stated by the source	Yes
HDD number of platesKnown for one	Unknown — not stated by the source	3
Storage drive heightKnown for one	Unknown — not stated by the source	8.89 cm
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 580
Graphics card manufacturerKnown for one	Unknown — not stated by the source	NVIDIA
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 5520
Network1 differ
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	100,1000 Mbit/s	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 featuresDiffers	Gigabit Ethernet	Gigabit Ethernet (10/100/1000)
Networking topologyKnown for one	Unknown — not stated by the source	10,100,1000
Ports & interfaces4 differ
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputsDiffers	1	6
Line-outKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsDiffers	0	2
eSATA ports quantityDiffers	0	1
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	5x SATA 5x SAS
Expansion slots1 differ
Number of 3.5" baysKnown for one	3	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsDiffers	1	2
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	320 W	1060 W
Power requirementsKnown for one	Unknown — not stated by the source	100-127/200-240V, 50/60Hz; 12V/6A
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 127, 200 - 240 V
Design2 differ
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
External drive baysDiffers	1 x 3.5", 2 x 5.25"	1
Internal drive baysDiffers	2 x 3.5"	5
Softwareidentical
Operating system installedKnown for one	Windows 7 Professional	Unknown — not stated by the source
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	61 cm (24")
Processor special features10 differ
CPU configuration (max)Differs	1	2
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Physical Address Extension (PAE)Differs	36 bit	40 bit
Processor ARK IDDiffers	43546	40200
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45 mm
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBFD
Weight & dimensions3 differ
WidthDiffers	175 mm	434 mm
DepthDiffers	442 mm	210 mm
HeightDiffers	414 mm	602 mm
WeightKnown for one	Unknown — not stated by the source	25 kg
Packaging content1 differ
Mouse includedDiffers	Yes	No
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	EnergyStar, EPEAT Gold, GREENGUARD, RoHS, 80+ Bronze
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Drive baysKnown for one	Unknown — not stated by the source	3.5", 5.25"
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Ergonomicsidentical
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	5 dB

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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