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 manufacturer	Intel	Intel
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
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI	QPI
FSB Parity	No	No
System bus rateDiffers	2.5 GT/s	5.86 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
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
Number of processors installed	1	1
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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
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
Number of HDDs installed	1	1
HDD interfaceDiffers	SATA	SATA, SATA II
HDD speed	7200 RPM	7200 RPM
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
USB 2.0 ports quantity	10	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
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
Line-in	Yes	Yes
Microphone in	Yes	Yes
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
Serial ports quantity	1	1
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 slots	2	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
Chassis type	Tower	Tower
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
Product colour	Black	Black
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
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	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
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
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	1.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	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
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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