Product comparison · 2 laptops

Alienware M11x R3 vs Dell 15z (L511z)

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  • 155specifications compared
  • 41differ
  • 114identical
  • 34known for one product only

Key differences

  • Product colour
    • M11x R3:Black
    • 15z (L511z):Silver
  • Display diagonal
    • M11x R3:29.5 cm (11.6")
    • 15z (L511z):39.6 cm (15.6")
  • Display resolution
    • M11x R3:1366 x 768 pixels
    • 15z (L511z):1920 x 1080 pixels
  • HD type
    • M11x R3:HD
    • 15z (L511z):Full HD
  • Processor model
    • M11x R3:i5-2537M
    • 15z (L511z):i5-2450M
  • Processor boost frequency
    • M11x R3:2.3 GHz
    • 15z (L511z):3.1 GHz
  • Processor frequency
    • M11x R3:1.4 GHz
    • 15z (L511z):2.5 GHz
  • Thermal Design Power (TDP)
    • M11x R3:17 W
    • 15z (L511z):35 W

Side by side

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Comparison of M11x R3, 15z (L511z)
189 specifications
Design1 differ
Product colourDiffersBlackSilver
Form factorClamshellClamshell
Market positioningKnown for oneGamingUnknown — not stated by the source
Housing materialKnown for oneUnknown — not stated by the sourceAluminium
Display3 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeDiffersHDFull HD
LED backlightYesYes
Native aspect ratio16:916:9
Pixel pitchKnown for one0.255 x 0.255 mmUnknown — not stated by the source
Contrast ratio (typical)Known for oneUnknown — not stated by the source300:1
Processor7 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i5Intel® Core™ i5
Processor generation2nd gen Intel® Core™ i52nd gen Intel® Core™ i5
Processor modelDiffersi5-2537Mi5-2450M
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.3 GHz3.1 GHz
Processor frequencyDiffers1.4 GHz2.5 GHz
System bus rate5 GT/s5 GT/s
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneBGA 1023Unknown — not stated by the source
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-2500 Mobile SeriesIntel Core i5-2400 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingJ1J1
Thermal Design Power (TDP)Differs17 W35 W
TjunctionDiffers100 C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 2x8, 1x8+2x41x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs1425
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Maximum internal memoryDiffers16 GB8 GB
Memory layout (slots x size)Known for oneUnknown — not stated by the source2 x 4 GB
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Memory slots (available)Known for oneUnknown — not stated by the source0
Storage1 differ
Total storage capacity750 GB750 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity750 GB750 GB
HDD interfaceSATASATA
Optical drive typeDVD Super MultiDVD Super Multi
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MMC, MMC+, MS PRO, SD, xDMemory Stick (MS), MMC, MS PRO, MSXC, SD, SDHC, SDIO, SDXC, xD
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 540MNVIDIA® GeForce® GT 525M
Graphics card familyIntel, NVIDIAIntel, NVIDIA
Discrete graphics memory typeGDDR3GDDR3
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 3000Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers350 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs900 MHz1300 MHz
On-board graphics card ID0x1160x116
Number of discrete graphics cards11
Maximum graphics card memoryKnown for one0.002 GBUnknown — not stated by the source
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Audio1 differ
Audio systemDiffersHDMaxxAudio 3
Built-in speaker(s)YesYes
Number of built-in speakersKnown for one2Unknown — not stated by the source
Speaker powerKnown for one2 WUnknown — not stated by the source
Built-in microphoneYesYes
Camera1 differ
Front camera resolution (numeric)Differs2 MP1.3 MP
Front camera resolutionKnown for one1600 x 1200 pixelsUnknown — not stated by the source
Network1 differ
Wi-FiYesYes
Networking featuresGigabit Ethernet, WLANGigabit Ethernet, WLAN
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Integrated 4G WiMAXYesYes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
eSATA/USB 2.0 ports quantityDiffers01
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantityDiffers10
DVI portNoNo
VGA (D-Sub) ports quantity00
Firewire (IEEE 1394) portsDiffers10
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Headphone connectivity3.5 mm3.5 mm
Microphone connectivity3.5 mm3.5 mm
HDMI versionKnown for oneUnknown — not stated by the source1.4
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source1
Performance1 differ
Motherboard chipsetDiffersIntel® QM67 ExpressIntel HM67 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadTouchpad + Accupoint
Keyboard backlitYesYes
Numeric keypadNoNo
Windows keysYesYes
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Drivers includedYesYes
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography32 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers5461953452
Processor codeDiffersSR03WSR04Z
Processor package sizeDiffers31 x 24 (BGA1023)37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells88
Battery capacityDiffers63 Wh64 Wh
Battery voltageKnown for one14.8 VUnknown — not stated by the source
Battery life (max)Known for oneUnknown — not stated by the source8.22 h
Poweridentical
AC adapter power90 W90 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentKnown for one4.62 AUnknown — not stated by the source
AC adapter output voltageKnown for one19.5 VUnknown — not stated by the source
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 35 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-40 - 65 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one10 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one10 - 95%Unknown — not stated by the source
Operating altitudeKnown for one-15.2 - 3048 mUnknown — not stated by the source
Non-operating altitudeKnown for one-15.2 - 10688 mUnknown — not stated by the source
Operating shockKnown for one110 GUnknown — not stated by the source
Non-operating shockKnown for one160 GUnknown — not stated by the source
Weight & dimensions7 differ
WeightDiffers2 kg2.51 kg
WidthDiffers285.7 mm384.9 mm
DepthDiffers233.3 mm260.4 mm
HeightDiffers32.7 mm24.7 mm
Width (imperial)Differs28.6 cm (11.2")38.5 cm (15.2")
Depth (imperial)Differs23.3 cm (9.19")26 cm (10.2")
Height (imperial)Differs3.28 cm (1.29")2.46 cm (0.97")
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Warranty cardYesYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Infrared data portNoNo
Number of products included1 pc(s)1 pc(s)
Power supply typeAC/DCAC/DC
Supplied AC adapter typeACAC
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Silver, 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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