Product comparison · 2 pcs/workstations

Alienware X51 Intel® Core™ i7 i7-2600 vs Lenovo D20 + 41T3519

89specifications compared
54differ
35identical
55known for one product only

Key differences

Processor family
- X51 Intel® Core™ i7 i7-2600:Intel® Core™ i7
- D20 + 41T3519:Intel® Xeon® 5000 Sequence
Processor model
- X51 Intel® Core™ i7 i7-2600:i7-2600
- D20 + 41T3519:E5620
Processor boost frequency
- X51 Intel® Core™ i7 i7-2600:3.8 GHz
- D20 + 41T3519:2.66 GHz
Processor frequency
- X51 Intel® Core™ i7 i7-2600:3.4 GHz
- D20 + 41T3519:2.4 GHz
Processor cache
- X51 Intel® Core™ i7 i7-2600:8 MB
- D20 + 41T3519:12 MB
Bus type
- X51 Intel® Core™ i7 i7-2600:DMI
- D20 + 41T3519:QPI
System bus rate
- X51 Intel® Core™ i7 i7-2600:5 GT/s
- D20 + 41T3519:5.86 GT/s
Processor codename
- X51 Intel® Core™ i7 i7-2600:Sandy Bridge
- D20 + 41T3519:Westmere EP

Side by side

Differences highlightedShow differences only

Comparison of X51, D20 + 41T3519
144 specifications	A Alienware X51 Intel® Core™ i7 i7-2600 Model X51 View product	B Lenovo D20 + 41T3519 View product
Processor20 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	2nd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-2600	E5620
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	3.8 GHz	2.66 GHz
Processor frequencyDiffers	3.4 GHz	2.4 GHz
Processor cacheDiffers	8 MB	12 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI	QPI
FSB Parity	No	No
System bus rateDiffers	5 GT/s	5.86 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Xeon 5600 Series
Processor codenameDiffers	Sandy Bridge	Westmere EP
Thermal Design Power (TDP)Differs	95 W	80 W
TcaseDiffers	72.6 °C	77.6 °C
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 installedDiffers	1	2
Processor socketDiffers	LGA 1155 (Socket H2)	Socket B (LGA 1366)
CPU multiplier (bus/core ratio)Differs	34	18
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
SteppingDiffers	D2	B1
Maximum internal memory supported by processorDiffers	32 GB	288 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3 800/1066
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory3 differ
Internal memory	8 GB	8 GB
Maximum internal memoryDiffers	8 GB	96 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsDiffers	2x DIMM	12x DIMM
Memory channelsDiffers	Dual-channel	Triple-channel
Memory layout (slots x size)Known for one	Unknown — not stated by the source	4 x 16 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Storage1 differ
Total storage capacityKnown for one	1 TB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD+/-RW
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	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	1350 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, NVIDIA	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	No
Performance2 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetDiffers	Intel® H61	Intel® 5520
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Network1 differ
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	Yes	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet (10/100/1000)
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	6	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	0	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
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
HDMIKnown for one	Yes	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
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	1060 W
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Processor special features16 differ
CPU configuration (max)Differs	1	2
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
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)Differs	Yes	No
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
Processor ARK IDDiffers	52213	47925
Processor codeDiffers	SR00B	SLBV4
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 X 45 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® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	40 bit
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	95 mm	210 mm
DepthDiffers	318 mm	602 mm
HeightDiffers	343 mm	485 mm
WeightDiffers	5.49 kg	27.1 kg
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Displayidentical
Display includedKnown for one	Unknown — not stated by the source	No
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold

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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