Product comparison · 2 pcs/workstations

Dell OptiPlex 990 vs Lenovo ThinkCentre M90i Intel® Core™ i5 i5-650

120specifications compared
47differ
73identical
35known for one product only

Key differences

The Dell OptiPlex 990 has 2 more processor cores than the Lenovo ThinkCentre M90i Intel® Core™ i5 i5-650 (4 vs 2). The Dell OptiPlex 990 has 4 more processor threads than the Lenovo ThinkCentre M90i Intel® Core™ i5 i5-650 (8 vs 4). The Dell OptiPlex 990 has 0.34 GHz more processor boost frequency than the Lenovo ThinkCentre M90i Intel® Core™ i5 i5-650 (3.8 GHz vs 3.46 GHz). Only the Dell OptiPlex 990 has card reader integrated. Only the Dell OptiPlex 990 has embedded options available.

Processor family
- OptiPlex 990:Intel® Core™ i7
- ThinkCentre M90i Intel® Core™ i5 i5-650:Intel® Core™ i5
Processor generation
- OptiPlex 990:2nd gen Intel® Core™ i7
- ThinkCentre M90i Intel® Core™ i5 i5-650:Intel® Core™ i5
Processor model
- OptiPlex 990:i7-2600
- ThinkCentre M90i Intel® Core™ i5 i5-650:i5-650
Processor cores
- OptiPlex 990:4
- ThinkCentre M90i Intel® Core™ i5 i5-650:2
Processor threads
- OptiPlex 990:8
- ThinkCentre M90i Intel® Core™ i5 i5-650:4
Processor boost frequency
- OptiPlex 990:3.8 GHz
- ThinkCentre M90i Intel® Core™ i5 i5-650:3.46 GHz
Processor frequency
- OptiPlex 990:3.4 GHz
- ThinkCentre M90i Intel® Core™ i5 i5-650:3.2 GHz
Processor cache
- OptiPlex 990:8 MB
- ThinkCentre M90i Intel® Core™ i5 i5-650:4 MB

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 990, M90i
155 specifications	A Dell OptiPlex 990 View product	B Lenovo ThinkCentre M90i Intel® Core™ i5 i5-650 Model M90i View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i7	Intel® Core™ i5
Processor modelDiffers	i7-2600	i5-650
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.8 GHz	3.46 GHz
Processor frequencyDiffers	3.4 GHz	3.2 GHz
Processor cacheDiffers	8 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rateDiffers	5 GT/s	2.5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Sandy Bridge	Clarkdale
Thermal Design Power (TDP)Differs	95 W	73 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1156 (Socket H)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	382 M
Processing Die sizeKnown for one	Unknown — not stated by the source	81 mm²
CPU multiplier (bus/core ratio)Differs	34	24
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
PlatformKnown for one	Unknown — not stated by the source	PC
SteppingDiffers	D2	C2
Maximum internal memory supported by processorDiffers	32 GB	16 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3 1066/1333
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	4 GB	3 GB
Maximum internal memoryDiffers	16 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 1 + 1 x 2 GB
Memory slots	4x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage2 differ
Total storage capacity	500 GB	500 GB
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA, SATA II	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	Unknown — not stated by the source	No
RAID levelsKnown for one	Unknown — not stated by the source	0, 1
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	850 MHz	733 MHz
Graphics card family	Intel	Intel
On-board graphics card dynamic frequency (max)Known for one	1350 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® Q67 Express	Intel® Q57
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	11	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
DisplayPorts quantity	1	1
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	2	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
Parallel ports quantity	0	0
Expansion slots2 differ
Number of 3.5" baysDiffers	1	2
PCI Express x16 slotsDiffers	2	1
PCI slots	1	1
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Power supplyDiffers	250 W	240 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Number of 5.25" bays	1	1
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Product colour	Black	Black
External drive baysKnown for one	Unknown — not stated by the source	1 x 5.25", 1 x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	1 x 3.5"
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Displayidentical
Display included	No	No
Processor special features10 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
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)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDDiffers	52213	43546
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Processor codeKnown for one	SR00B	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Weight & dimensions3 differ
WidthDiffers	102 mm	317 mm
DepthDiffers	410 mm	355 mm
HeightDiffers	360 mm	99 mm
WeightKnown for one	7.56 kg	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CECP, TCO 05, WEEE	Unknown — not stated by the source
Other features1 differ
Security featuresDiffers	TPM	TPM 1.2
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Keyboard includedKnown for one	No	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	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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