Product comparison · 2 laptops

Acer Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1 vs Lenovo IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop

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  • 69specifications compared
  • 39differ
  • 30identical
  • 103known for one product only

Key differences

  • Product type
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:Chromebook
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:Laptop
  • Product colour
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:White
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:Black
  • Display diagonal
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:33.8 cm (13.3")
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:43.9 cm (17.3")
  • Display resolution
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:1366 x 768 pixels
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
  • Touchscreen
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:Yes
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:No
  • Processor manufacturer
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:NVIDIA
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:Intel
  • Processor family
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:NVIDIA Tegra
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
  • Processor model
    • Chromebook CB5-311P-T845 NVIDIA Tegra CD570M-A1:CD570M-A1
    • IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:i7-5500U

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Differences highlightedShow differences only (off)
Comparison of CB5-311P-T845, Z70
172 specifications
Design2 differ
Product typeDiffersChromebookLaptop
Product colourDiffersWhiteBlack
Form factorClamshellClamshell
Market positioningKnown for oneUnknown — not stated by the sourceBusiness
Display3 differ
Display diagonalDiffers33.8 cm (13.3")43.9 cm (17.3")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersYesNo
HD typeKnown for oneUnknown — not stated by the sourceFull HD
LED backlightYesYes
Native aspect ratio16:916:9
Dual-screenKnown for oneUnknown — not stated by the sourceNo
Processor6 differ
Processor manufacturerDiffersNVIDIAIntel
Processor familyDiffersNVIDIA TegraIntel® Core™ i7
Processor generationKnown for oneUnknown — not stated by the source5th gen Intel® Core™ i7
Processor modelDiffersCD570M-A1i7-5500U
Processor coresDiffers42
Processor threadsKnown for oneUnknown — not stated by the source4
Processor boost frequencyKnown for oneUnknown — not stated by the source3 GHz
Processor frequencyDiffers2.1 GHz2.4 GHz
System bus rateKnown for oneUnknown — not stated by the source5 GT/s
Processor cacheDiffers2 MB4 MB
Processor cache typeKnown for oneUnknown — not stated by the sourceL3
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1168
Processor lithographyKnown for oneUnknown — not stated by the source14 nm
Processor operating modesKnown for oneUnknown — not stated by the source32-bit, 64-bit
Processor seriesKnown for oneUnknown — not stated by the sourceIntel Core i7-5500 Mobile Series
Processor codenameKnown for oneUnknown — not stated by the sourceBroadwell
Bus typeKnown for oneUnknown — not stated by the sourceDMI2
FSB ParityKnown for oneUnknown — not stated by the sourceNo
SteppingKnown for oneUnknown — not stated by the sourceF0
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source15 W
Configurable TDP-downKnown for oneUnknown — not stated by the source7.5 W
Configurable TDP-down frequencyKnown for oneUnknown — not stated by the source0.6 GHz
TjunctionKnown for oneUnknown — not stated by the source105 °C
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source12
PCI Express configurationsKnown for oneUnknown — not stated by the source4x1, 2x4
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryDiffers2 GB16 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speedKnown for oneUnknown — not stated by the source1600 MHz
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Maximum internal memoryKnown for oneUnknown — not stated by the source16 GB
Storage3 differ
Total storage capacityDiffers32 GB1 TB
Storage mediaKnown for oneUnknown — not stated by the sourceHybrid-HDD
HDD speedKnown for oneUnknown — not stated by the source5400 RPM
Hybrid-HDD capacityKnown for oneUnknown — not stated by the source1 TB
Hybrid-HDD cache memoryKnown for oneUnknown — not stated by the source8 GB
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Optical drive typeDiffersNoDVD±RW
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD
Graphicsidentical
On-board graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceNVIDIA® GeForce® 840M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelKnown for oneUnknown — not stated by the sourceIntel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source16 GB
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source300 MHz
On-board graphics card dynamic frequency (max)Known for oneUnknown — not stated by the source950 MHz
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source11.2
On-board graphics card IDKnown for oneUnknown — not stated by the source0x1616
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceDolby Home Theater
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Speakers manufacturerKnown for oneUnknown — not stated by the sourceJBL
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolution1280 x 720 pixels1280 x 720 pixels
Network1 differ
Wi-FiYesYes
Wi-Fi standardsWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Ethernet LANDiffersNoYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Ports & interfaces2 differ
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source1
Thunderbolt ports quantity00
Headphone outputsKnown for oneUnknown — not stated by the source1
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inDiffersNoYes
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Software2 differ
Operating system installedDiffersChromeOSWindows 8.1
Operating system architectureDiffers32-bit64-bit
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
CPU configuration (max)Known for oneUnknown — not stated by the source1
Embedded options availableKnown for oneUnknown — not stated by the sourceNo
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel Clear Video TechnologyDiffersNoYes
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceYes
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Identity Protection Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Secure Key Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Small Business Advantage (SBA) versionKnown for oneUnknown — not stated by the source1.00
Intel Smart Response Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Stable Image Platform Program (SIPP)Known for oneUnknown — not stated by the sourceNo
Intel Stable Image Platform Program (SIPP) versionKnown for oneUnknown — not stated by the source0.00
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® OS GuardKnown for oneUnknown — not stated by the sourceYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Secure KeyKnown for oneUnknown — not stated by the sourceYes
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)Known for oneUnknown — not stated by the sourceVT-d, VT-x
Processor ARK IDKnown for oneUnknown — not stated by the source85214
Processor codeKnown for oneUnknown — not stated by the sourceSR23W
Processor package sizeKnown for oneUnknown — not stated by the source40 x 24 x 1.3 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceYes
Conflict-Free processorKnown for oneUnknown — not stated by the sourceYes
Intel Smart Connect TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for oneNoUnknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for oneNoUnknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
Intel® Rapid Start TechnologyKnown for oneNoUnknown — not stated by the source
Battery1 differ
Battery technologyKnown for oneUnknown — not stated by the sourceLithium Polymer (LiPo)
Number of battery cells44
Battery capacityDiffers3270 mAh41 Wh
Battery life (max)Known for oneUnknown — not stated by the source4 h
Poweridentical
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers1.5 kg3 kg
WidthDiffers327 mm418 mm
DepthDiffers227.5 mm283 mm
HeightDiffers17.9 mm25.2 mm
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source
Certificatesidentical
Wi-Fi certifiedKnown for oneYesUnknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for oneEducationUnknown — 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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