All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

HP Pavilion dv7-4020sa AMD Phenom II P820 Laptop vs HP Pavilion dv7-4045ea AMD Phenom II P920 Laptop

Add a product
  • 118specifications compared
  • 9differ
  • 109identical
  • 4known for one product only

Key differences

  • Processor model
    • P820
    • P920
  • Processor cores
    • 3
    • 4
  • Processor frequency
    • 1.8 GHz
    • 1.6 GHz
  • Processor cache
    • 1.5 MB
    • 2 MB
  • Internal memory
    • 3 GB
    • 4 GB
  • Memory layout (slots x size)
    • 1 x 1 + 1 x 2 GB
    • 2 x 2 GB
  • Total storage capacity
    • 320 GB
    • 500 GB
  • HDD capacity
    • 320 GB
    • 500 GB

Side by side

Differences highlightedShow differences only
122 specifications
A

HP

Pavilion dv7-4020sa AMD Phenom II P820 Laptop

Model dv7-4020sa

View product
B

HP

Pavilion dv7-4045ea AMD Phenom II P920 Laptop

Model dv7-4045ea

View product
Designidentical
Product typeLaptopLaptop
Product colourSilverSilver
Form factorClamshellClamshell
Country of originChinaChina
Displayidentical
Display diagonal43.9 cm (17.3")43.9 cm (17.3")
Display resolution1600 x 900 pixels1600 x 900 pixels
TouchscreenNoNo
HD typeHD+HD+
LED backlightYesYes
Native aspect ratio16:916:9
Processor4 differ
Processor manufacturerAMDAMD
Processor familyAMD Phenom IIAMD Phenom II
Processor modelDiffersP820P920
Processor coresDiffers34
Processor threadsKnown for one4
Processor frequencyDiffers1.8 GHz1.6 GHz
Processor cacheDiffers1.5 MB2 MB
Processor cache typeL2L2
Processor socketSocket S1Socket S1
Memory2 differ
Internal memoryDiffers3 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Differs1 x 1 + 1 x 2 GB2 x 2 GB
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Maximum internal memory (64-bit)8 GB8 GB
Storage2 differ
Total storage capacityDiffers320 GB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityDiffers320 GB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Optical drive typeDVD Super Multi DLDVD Super Multi DL
Card reader integratedYesYes
Compatible memory cardsMemory Stick (MS), MMC, MS PRO, SD, xDMemory Stick (MS), MMC, MS PRO, SD, xD
Graphics1 differ
On-board graphics cardKnown for oneNo
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon HD 5470AMD Mobility Radeon HD 5650
On-board graphics card modelKnown for oneNot available
Discrete graphics card memoryKnown for one0.512 GB
Audioidentical
Number of built-in speakers22
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeYesYes
Networkidentical
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Data networkNot supportedNot supported
4G WiMAXNoNo
Ports & interfacesidentical
USB 2.0 ports quantity33
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
eSATA/USB 2.0 ports quantity11
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Headphone connectivity3.5 mm3.5 mm
Microphone connectivity3.5 mm3.5 mm
Performanceidentical
Motherboard chipsetAMD RS880MAMD RS880M
Keyboardidentical
Pointing deviceClickpadClickpad
Numeric keypadYesYes
Full-size keyboardYesYes
Windows keysYesYes
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Operating system architecture64-bit64-bit
Drivers includedYesYes
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)NoNo
Intel Clear Video TechnologyNoNo
Intel Smart Connect TechnologyNoNo
Intel® Active Management Technology (Intel® AMT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Identity Protection Technology (Intel® IPT)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Matrix Storage Technology (Intel® MST)NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® Rapid Start TechnologyNoNo
Intel® Smart Response TechnologyNoNo
Intel® Turbo Boost TechnologyNoNo
Batteryidentical
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells66
Poweridentical
AC adapter power90 W90 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Password protectionYesYes
Password protection typeBIOS, HDD, Power on, Supervisor, UserBIOS, HDD, Power on, Supervisor, User
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensionsidentical
Weight3.63 kg3.63 kg
Width415.3 mm415.3 mm
Depth274 mm274 mm
Height (front)3.18 cm3.18 cm
Height (rear)3.7 cm3.7 cm
Dimensions (WxDxH)274 x 415.3 x 31.8 mm274 x 415.3 x 31.8 mm
Packaging contentidentical
AC adapter includedYesYes
Cables includedACAC
ManualYesYes
Quick start guideYesYes
Warranty cardYesYes
Other featuresidentical
3DNoNo

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.

More laptop comparisons

All laptop comparisons