Product comparison · 2 pcs/workstations

Dell OptiPlex 780 MT vs Lenovo ThinkCentre M90p + ThinkVision L2321x

88specifications compared
36differ
52identical
58known for one product only

Key differences

The Lenovo ThinkCentre M90p + ThinkVision L2321x has 2 more processor threads than the Dell OptiPlex 780 MT (4 vs 2). The Lenovo ThinkCentre M90p + ThinkVision L2321x has 0.04 GHz more processor frequency than the Dell OptiPlex 780 MT (3.2 GHz vs 3.16 GHz). The Dell OptiPlex 780 MT has 2 MB more processor cache than the Lenovo ThinkCentre M90p + ThinkVision L2321x (6 MB vs 4 MB). Only the Lenovo ThinkCentre M90p + ThinkVision L2321x has display included. Only the Lenovo ThinkCentre M90p + ThinkVision L2321x has Intel Dual Display Capable Technology.

Processor family
- OptiPlex 780 MT:Intel® Core™2 Duo
- ThinkCentre M90p + ThinkVision L2321x:Intel® Core™ i5
Processor model
- OptiPlex 780 MT:E8500
- ThinkCentre M90p + ThinkVision L2321x:i5-650
Processor threads
- OptiPlex 780 MT:2
- ThinkCentre M90p + ThinkVision L2321x:4
Processor frequency
- OptiPlex 780 MT:3.16 GHz
- ThinkCentre M90p + ThinkVision L2321x:3.2 GHz
Processor cache
- OptiPlex 780 MT:6 MB
- ThinkCentre M90p + ThinkVision L2321x:4 MB
Processor cache type
- OptiPlex 780 MT:L2
- ThinkCentre M90p + ThinkVision L2321x:Smart Cache
Bus type
- OptiPlex 780 MT:FSB
- ThinkCentre M90p + ThinkVision L2321x:DMI
Processor lithography
- OptiPlex 780 MT:45 nm
- ThinkCentre M90p + ThinkVision L2321x:32 nm

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 780 MT, ThinkCentre M90p + ThinkVision L2321x
146 specifications	A Dell OptiPlex 780 MT View product	B Lenovo ThinkCentre M90p + ThinkVision L2321x View product
Processor17 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor modelDiffers	E8500	i5-650
Processor threadsDiffers	2	4
Processor frequencyDiffers	3.16 GHz	3.2 GHz
Processor cacheDiffers	6 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	DMI
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Core 2 Duo E8000 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Wolfdale	Clarkdale
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	65 W	73 W
TcaseDiffers	72.4 °C	72.6 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	410 M	382 M
Processing Die sizeDiffers	107 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	9.5	24
Processor core voltage (AC)Known for one	0.850/1.3625 V	Unknown — not stated by the source
SteppingDiffers	C0	C2
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	16 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Memoryidentical
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage1 differ
Total storage capacityDiffers	320 GB	500 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	733 MHz
Performanceidentical
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Networkidentical
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	9	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
PS/2 ports quantityDiffers	0	2
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	305 W	280 W
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
External drive baysKnown for one	1x 3.5", 2x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	2x 3.5"	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	58.4 cm (23")
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features9 differ
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Processor ARK IDDiffers	33911	43546
Processor codeKnown for one	SLAPK	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Weight & dimensions4 differ
WidthDiffers	190 mm	175 mm
DepthDiffers	410 mm	414 mm
HeightDiffers	430 mm	442 mm
WeightDiffers	11.7 kg	11 kg
Weight (imperial)Known for one	11.7 kg (25.8 lbs)	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Keyboard includedKnown for one	No	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	EPEAT Gold, CECP, TCO 05, WEEE, CES, RoHS	Unknown — not stated by the source
Other featuresidentical
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio

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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