Product comparison · 2 pcs/workstations

Dell 990 SFF vs Lenovo ThinkCentre M71e

9specifications compared
5differ
4identical
139known for one product only

Key differences

HDD capacity
- 990 SFF:500 GB
- ThinkCentre M71e:250 GB
Power supply
- 990 SFF:240 W
- ThinkCentre M71e:280 W
Width
- 990 SFF:93 mm
- ThinkCentre M71e:160 mm
Depth
- 990 SFF:312 mm
- ThinkCentre M71e:422 mm
Height
- 990 SFF:290 mm
- ThinkCentre M71e:388 mm

Side by side

Differences highlightedShow differences only

Comparison of 990 SFF, ThinkCentre M71e
148 specifications	A Dell 990 SFF View product	B Lenovo ThinkCentre M71e View product
Processoridentical
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelKnown for one	i5-2400	Unknown — not stated by the source
Processor coresKnown for one	4	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Processor frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor cache	6 MB	6 MB
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-2400 Desktop Series	Unknown — not stated by the source
Processor codenameKnown for one	Sandy Bridge	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	95 W	Unknown — not stated by the source
TcaseKnown for one	72.6 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketKnown for one	LGA 1155 (Socket H2)	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	31	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	32 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	1066,1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Memoryidentical
Internal memory	4 GB	4 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage1 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityDiffers	500 GB	250 GB
Card reader integratedKnown for one	No	Unknown — not stated by the source
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	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 2000	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	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Intel® Q67 Express	Unknown — not stated by the source
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 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
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	10	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
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) portsKnown for one	1	Unknown — not stated by the source
Headphone outputsKnown for one	1	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
Microphone inKnown 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	2	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
USB connector typeKnown for one	USB Type-A	Unknown — not stated by the source
Expansion slotsidentical
Number of 3.5" baysKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supply typeKnown for one	AC	Unknown — not stated by the source
Power supplyDiffers	240 W	280 W
Designidentical
Chassis typeKnown for one	SFF	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Product colourKnown for one	Black, Silver	Unknown — not stated by the source
External drive baysKnown for one	1 x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	1 x 3.5"	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows 7 Professional	Unknown — not stated by the source
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Display includedKnown for one	Yes	Unknown — not stated by the source
Display diagonalKnown for one	48.3 cm (19")	Unknown — not stated by the source
Display resolutionKnown for one	1280 x 1024 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	5:4	Unknown — not stated by the source
Contrast ratio (typical)Known for one	800:1	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
TouchscreenKnown for one	No	Unknown — not stated by the source
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	170°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	160°	Unknown — not stated by the source
Display diagonal (metric)Known for one	48 cm	Unknown — not stated by the source
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	52207	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	93 mm	160 mm
DepthDiffers	312 mm	422 mm
HeightDiffers	290 mm	388 mm
WeightKnown for one	5.7 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CECP, WEEE, TCO 05	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Keyboardidentical
Windows keysKnown for one	Yes	Unknown — not stated by the source
Multimediaidentical
Built-in cameraKnown for one	No	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	1000 Mbit/s

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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