Product comparison · 2 pcs/workstations

Alienware AAR4-1428BK vs Alienware AR3

110specifications compared
40differ
70identical
40known for one product only

Key differences

Processor family
- Alienware AAR4-1428BK:Intel® Core™ i7 X-series
- Alienware AR3:Intel® Core™ i7
Processor generation
- Alienware AAR4-1428BK:3rd gen Intel® Core™ i7
- Alienware AR3:2nd gen Intel® Core™ i7
Processor model
- Alienware AAR4-1428BK:i7-3820
- Alienware AR3:i7-2600
Processor frequency
- Alienware AAR4-1428BK:3.6 GHz
- Alienware AR3:3.4 GHz
Processor cache
- Alienware AAR4-1428BK:10 MB
- Alienware AR3:8 MB
Processor codename
- Alienware AAR4-1428BK:Sandy Bridge E
- Alienware AR3:Sandy Bridge
Thermal Design Power (TDP)
- Alienware AAR4-1428BK:130 W
- Alienware AR3:95 W
Tcase
- Alienware AAR4-1428BK:66.8 °C
- Alienware AR3:72.6 °C

Side by side

Differences highlightedShow differences only

Comparison of Alienware AAR4-1428BK, Alienware AR3
150 specifications	A Alienware Alienware AAR4-1428BK View product	B Alienware Alienware AR3 View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7 X-series	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i7	2nd gen Intel® Core™ i7
Processor modelDiffers	i7-3820	i7-2600
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.8 GHz	3.8 GHz
Processor frequencyDiffers	3.6 GHz	3.4 GHz
Processor cacheDiffers	10 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3800 Desktop Series	Intel Core i7-2600 Desktop Series
Processor codenameDiffers	Sandy Bridge E	Sandy Bridge
Thermal Design Power (TDP)Differs	130 W	95 W
TcaseDiffers	66.8 °C	72.6 °C
Maximum number of PCI Express lanesDiffers	40	16
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	44	34
Platform	PC	PC
SteppingDiffers	M1	D2
Maximum internal memory supported by processorDiffers	64 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333,1600 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	21 GB/s
ECC supported by processor	No	No
Processor front side busKnown for one	1600 MHz	Unknown — not stated by the source
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	12 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slots	4x DIMM	4x DIMM
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory channelsDiffers	Quad-channel	Dual-channel
Storage2 differ
Total storage capacity	2 TB	2 TB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Storage mediaKnown for one	Unknown — not stated by the source	HDD
HDD capacity	2 TB	2 TB
HDD interfaceDiffers	SATA	SATA II
HDD speed	7200 RPM	7200 RPM
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 1+0
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GTX 580
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
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 2000
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	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1350 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card familyKnown for one	Unknown — not stated by the source	Intel, NVIDIA
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® X79 Express	Intel® P67
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i5, Intel® Core™ i7
Motherboard form factorKnown for one	micro ATX	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
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-Fi	No	No
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
BluetoothKnown for one	No	Unknown — not stated by the source
Copper ethernet cabling technologyKnown for one	1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T	Unknown — not stated by the source
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	6	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
Combo headphone/mic portKnown for one	Unknown — not stated by the source	No
Headphone outputsDiffers	1	5
Line-in	Yes	Yes
Microphone in	Yes	Yes
PS/2 ports quantity	0	0
Firewire (IEEE 1394) portsDiffers	0	1
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
S/PDIF out port	Yes	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
SmartCard slotKnown for one	Unknown — not stated by the source	No
Serial ports quantity	0	0
Parallel ports quantity	0	0
Line-outKnown 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
Expansion slotsidentical
PCI Express x1 slots	2	2
PCI Express x16 slots	2	2
Designidentical
Chassis type	Midi Tower	Midi Tower
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Windows 7 Home Premium (64-bit) Windows 7 Professional (64-bit) Windows 7 Ultimate (64-bit)	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features15 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	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 Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	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	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	63698	52213
Processor codeDiffers	SR0LD	SR00B
Processor package sizeDiffers	52.5 x 45.0 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Smart Response TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
Width	250 mm	250 mm
Depth	645 mm	645 mm
Height	426 mm	426 mm
Weight	20.4 kg	20.4 kg
Dimensions (WxDxH)Known for one	250 x 645 x 426 mm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Poweridentical
Power supplyKnown for one	875 W	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HD	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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