Product comparison · 2 laptops

Acer Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY vs HP Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop

133specifications compared
43differ
90identical
35known for one product only

Key differences

Product colour
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:Grey
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:Black
Display diagonal
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:43.9 cm (17.3")
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:39.6 cm (15.6")
Display resolution
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:1920 x 1080 pixels
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:1366 x 768 pixels
HD type
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:Full HD
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:HD
Processor family
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:Intel® Core™ i7
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:Intel® Core™ i3
Processor generation
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:3rd gen Intel® Core™ i7
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:3rd gen Intel® Core™ i3
Processor model
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:i7-3630QM
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:i3-3217U
Processor cores
- Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY:4
- Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop:2

Side by side

Differences highlightedShow differences only

Comparison of 771G-736b1275BDCaii, 15-b051ea
168 specifications	A Acer Aspire 771G-736b1275BDCaii Intel® Core™ i7 i7-3630QM 43.9 cm (17.3") Full HD 12 GB DDR3-SDRAM 750 GB HDD NVIDIA® GeForce® GT 650M Windows 8 Grey QWERTY Model 771G-736b1275BDCaii View product	B HP Pavilion 15-b051ea Intel® Core™ i3 i3-3217U Laptop Model 15-b051ea View product
Design1 differ
Product typeKnown for one	Unknown — not stated by the source	Laptop
Product colourDiffers	Grey	Black
Form factor	Clamshell	Clamshell
Country of originKnown for one	Unknown — not stated by the source	China
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeDiffers	Full HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i3
Processor modelDiffers	i7-3630QM	i3-3217U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor frequencyDiffers	2.4 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketDiffers	PGA988	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i3-3200 Mobile Series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	E1	L1
Thermal Design Power (TDP)Differs	45 W	17 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	24	18
ECC supported by processor	No	No
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	12 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsDiffers	4x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Storage1 differ
Total storage capacity	750 GB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	750 GB	750 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	Blu-Ray DVD Combo	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 650M	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1050 MHz
On-board graphics card ID	0x166	0x166
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyKnown for one	NVIDIA	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	Dolby Advanced Audio
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	Altec Lansing
Built-in microphone	Yes	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Fast LAN, WLAN
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Performanceidentical
Motherboard chipset	Intel HM77 Express	Intel HM77 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	71459	65697
Processor codeDiffers	SR0UX	SR0N9
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	31 x 24 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	4
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Battery life (max)Known for one	3.6 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, Supervisor	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	3.2 kg	2.1 kg
WidthDiffers	414.8 mm	385.7 mm
DepthDiffers	275 mm	259 mm
HeightKnown for one	Unknown — not stated by the source	21 mm
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	385.7 x 259 x 21 mm
Height (front)Known for one	3.1 cm	Unknown — not stated by the source
Height (rear)Known for one	3.46 cm	Unknown — not stated by the source
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	560 x 80 x 345 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	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.

More laptop comparisons

All laptop comparisons