Product comparison · 2 laptops

HP Pavilion dv7-3157ca Intel® Core™ i7 i7-720QM Laptop vs HP Pavilion dv7-3170ca Intel® Core™ i7 i7-720QM Laptop

169specifications compared
4differ
165identical
0known for one product only

Key differences

Internal memory
- Pavilion dv7-3157ca Intel® Core™ i7 i7-720QM Laptop:4 GB
- Pavilion dv7-3170ca Intel® Core™ i7 i7-720QM Laptop:6 GB
Memory layout (slots x size)
- Pavilion dv7-3157ca Intel® Core™ i7 i7-720QM Laptop:2 x 2 GB
- Pavilion dv7-3170ca Intel® Core™ i7 i7-720QM Laptop:1 x 2 + 1 x 4 GB
Optical drive type
- Pavilion dv7-3157ca Intel® Core™ i7 i7-720QM Laptop:DVD Super Multi DL
- Pavilion dv7-3170ca Intel® Core™ i7 i7-720QM Laptop:Blu-Ray DVD Combo

Side by side

Differences highlightedShow differences only

Comparison of dv7-3157ca, dv7-3170ca
169 specifications	A HP Pavilion dv7-3157ca Intel® Core™ i7 i7-720QM Laptop Model dv7-3157ca View product	B HP Pavilion dv7-3170ca Intel® Core™ i7 i7-720QM Laptop Model dv7-3170ca View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Country of origin	China	China
Displayidentical
Display diagonal	43.9 cm (17.3")	43.9 cm (17.3")
Display resolution	1600 x 900 pixels	1600 x 900 pixels
Touchscreen	No	No
HD type	HD+	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	Intel® Core™ i7	Intel® Core™ i7
Processor model	i7-720QM	i7-720QM
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	2.8 GHz	2.8 GHz
Processor frequency	1.6 GHz	1.6 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-700 Mobile Series	Intel Core i7-700 Mobile Series
Processor codename	Clarksfield	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	B1	B1
Thermal Design Power (TDP)	45 W	45 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of Processing Die Transistors	774 M	774 M
Processing Die size	296 mm²	296 mm²
CPU multiplier (bus/core ratio)	12	12
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	6 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 2 + 1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Maximum internal memory (64-bit)	8 GB	8 GB
Storage1 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi DL	Blu-Ray DVD Combo
Card reader integrated	Yes	Yes
Compatible memory cards	Memory Stick (MS), MMC, MS PRO, SD, xD	Memory Stick (MS), MMC, MS PRO, SD, xD
Graphicsidentical
On-board graphics card	No	No
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA® GeForce® GT 230M	NVIDIA® GeForce® GT 230M
On-board graphics card model	Not available	Not available
Audioidentical
Audio system	SRS Premium Sound	SRS Premium Sound
Number of built-in speakers	2	2
Speakers manufacturer	Altec Lansing	Altec Lansing
Built-in subwoofer	Yes	Yes
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribe	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Data network	Not supported	Not supported
4G WiMAX	No	No
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
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 quantity	1	1
Firewire (IEEE 1394) ports	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	2	2
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivity	3.5 mm	3.5 mm
Microphone connectivity	3.5 mm	3.5 mm
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Drivers included	Yes	Yes
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
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 Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Smart Connect Technology	No	No
Intel Trusted Execution Technology	Yes	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)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Rapid Start Technology	No	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)	Yes	Yes
Processor ARK ID	43122	43122
Processor code	SLBLY	SLBLY
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	8	8
Poweridentical
AC adapter power	120 W	120 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
Power auto-sensing	Yes	Yes
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 35 °C	0 - 35 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	5 - 65%	5 - 65%
Operating altitude	-15 - 3048 m	-15 - 3048 m
Non-operating altitude	-15 - 12192 m	-15 - 12192 m
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensionsidentical
Weight	3.52 kg	3.52 kg
Width	412.6 mm	412.6 mm
Depth	277 mm	277 mm
Height (front)	3.5 cm	3.5 cm
Height (rear)	4.32 cm	4.32 cm
Packaging dataidentical
Package width	450 mm	450 mm
Package depth	160 mm	160 mm
Package height	345 mm	345 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Remote control included	Yes	Yes
Warranty card	Yes	Yes

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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