Product comparison · 2 pcs/workstations

Lenovo Edge E71 + L2251x vs Lenovo IdeaCentre Q180 Intel Atom® D2700

90specifications compared
51differ
39identical
55known for one product only

Key differences

The Lenovo IdeaCentre Q180 Intel Atom® D2700 has 2 more processor threads than the Lenovo Edge E71 + L2251x (4 vs 2). The Lenovo Edge E71 + L2251x has 0.67 GHz more processor frequency than the Lenovo IdeaCentre Q180 Intel Atom® D2700 (2.8 GHz vs 2.13 GHz). The Lenovo Edge E71 + L2251x has 2 MB more processor cache than the Lenovo IdeaCentre Q180 Intel Atom® D2700 (3 MB vs 1 MB). Only the Lenovo IdeaCentre Q180 Intel Atom® D2700 has Wi-Fi. Only the Lenovo Edge E71 + L2251x has DVI port.

Processor family
- Edge E71 + L2251x:Intel® Pentium®
- IdeaCentre Q180 Intel Atom® D2700:Intel Atom®
Processor model
- Edge E71 + L2251x:G840
- IdeaCentre Q180 Intel Atom® D2700:D2700
Processor threads
- Edge E71 + L2251x:2
- IdeaCentre Q180 Intel Atom® D2700:4
Processor frequency
- Edge E71 + L2251x:2.8 GHz
- IdeaCentre Q180 Intel Atom® D2700:2.13 GHz
Processor cache
- Edge E71 + L2251x:3 MB
- IdeaCentre Q180 Intel Atom® D2700:1 MB
Processor cache type
- Edge E71 + L2251x:Smart Cache
- IdeaCentre Q180 Intel Atom® D2700:L2
System bus rate
- Edge E71 + L2251x:5 GT/s
- IdeaCentre Q180 Intel Atom® D2700:2.5 GT/s
Processor codename
- Edge E71 + L2251x:Sandy Bridge
- IdeaCentre Q180 Intel Atom® D2700:Cedarview

Side by side

Differences highlightedShow differences only

Comparison of Edge E71 + L2251x, Q180
145 specifications	A Lenovo Edge E71 + L2251x View product	B Lenovo IdeaCentre Q180 Intel Atom® D2700 Model Q180 View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel Atom®
Processor modelDiffers	G840	D2700
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.8 GHz	2.13 GHz
Processor cacheDiffers	3 MB	1 MB
Processor cache typeDiffers	Smart Cache	L2
Bus type	DMI	DMI
System bus rateDiffers	5 GT/s	2.5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Sandy Bridge	Cedarview
Thermal Design Power (TDP)Differs	65 W	10 W
TcaseKnown for one	69.1 °C	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 1155 (Socket H2)	BGA 559
CPU multiplier (bus/core ratio)Known for one	28	Unknown — not stated by the source
SteppingDiffers	Q0	B2
Maximum internal memory supported by processorDiffers	32 GB	4 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	6.4 GB/s
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor seriesKnown for one	Unknown — not stated by the source	Intel Atom D2700 Series
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	4
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	1 x 4 GB
Memory channelsDiffers	Dual-channel	Single-channel
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Storage4 differ
Total storage capacityDiffers	320 GB	500 GB
Optical drive typeDiffers	DVD-RW	No
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), MMC, MS PRO, MS PRO Duo, SD, SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics	Integrated
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	850 MHz	640 MHz
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
Graphics card family	Intel	Intel
Performance2 differ
Product typeDiffers	PC	Mini PC
Motherboard chipsetDiffers	Intel® H61	Intel NM10
Compatible processor seriesKnown for one	Intel® Pentium® Dual-Core	Unknown — not stated by the source
Audio output channelsKnown for one	Unknown — not stated by the source	7.1 channels
Network1 differ
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-FiDiffers	No	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	6	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
HDMI ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	280 W	Unknown — not stated by the source
Design1 differ
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	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 colourDiffers	Black	Black, Silver
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
Display resolutionKnown for one	1680 x 1050 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	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
DisplayKnown for one	LCD TFT	Unknown — not stated by the source
Processor special features13 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64	Yes	Yes
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53490	59683
Processor codeDiffers	SR05P	SR0D9
Processor package sizeDiffers	37.5 x 37.5 mm	22 X 22 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE2, SSE3, SSSE3
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	SRS
Weight & dimensions4 differ
WidthDiffers	160 mm	155 mm
DepthDiffers	355 mm	22 mm
HeightDiffers	392 mm	192 mm
WeightDiffers	6.5 kg	2.38 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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