Product comparison · 2 laptops

Dell 15R (N7520) vs Dell 17R (N7720)

157specifications compared
23differ
134identical
17known for one product only

Key differences

Display diagonal
- 15R (N7520):39.6 cm (15.6")
- 17R (N7720):43.9 cm (17.3")
Display resolution
- 15R (N7520):1920 x 1080 pixels
- 17R (N7720):1600 x 900 pixels
HD type
- 15R (N7520):Full HD
- 17R (N7720):HD+
Memory clock speed
- 15R (N7520):1600 MHz
- 17R (N7720):1333 MHz
Total storage capacity
- 15R (N7520):1 TB
- 17R (N7720):750 GB
HDD capacity
- 15R (N7520):1 TB
- 17R (N7720):750 GB
Optical drive type
- 15R (N7520):DVD±RW
- 17R (N7720):DVD-RW
Discrete graphics card model
- 15R (N7520):AMD Radeon HD 7730M
- 17R (N7720):NVIDIA® GeForce® GT 650M

Side by side

Differences highlightedShow differences only

Comparison of 15R (N7520), 17R (N7720)
174 specifications	A Dell 15R (N7520)View product	B Dell 17R (N7720)View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	Full HD	HD+
Native aspect ratio	16:9	16:9
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	3rd gen Intel® Core™ i5	3rd gen Intel® Core™ i5
Processor model	i5-3210M	i5-3210M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.1 GHz	3.1 GHz
Processor frequency	2.5 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-3200 Mobile series	Intel Core i5-3200 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	L1	L1
Thermal Design Power (TDP)	35 W	35 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 version	3.0	3.0
CPU multiplier (bus/core ratio)	25	25
ECC supported by processor	No	No
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage4 differ
Total storage capacityDiffers	1 TB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	750 GB
HDD interface	SATA	SATA
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xD
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 7730M	NVIDIA® GeForce® GT 650M
Discrete graphics card memory	2 GB	2 GB
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 frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card ID	0x166	0x166
Audio1 differ
Audio systemDiffers	HD	SRS Premium Sound
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in subwooferKnown for one	Unknown — not stated by the source	Yes
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
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
Bluetooth version	4.0	4.0
Data network	Not supported	Not supported
Cabling technologyDiffers	10/100/1000Base-T(X)	10/100Base-T(X)
4G WiMAX	No	No
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	0	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
eSATA/USB 2.0 ports quantityDiffers	0	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
HDMI versionDiffers	1.4a	1.4
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
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
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel HM67 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special featuresidentical
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 Secure Key Technology version	1.00	1.00
Intel Smart Connect 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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	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® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	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® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	65708	65708
Processor code	SR0N0	SR0N0
Processor package size	31.0 x 24.0 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacity	48 Wh	48 Wh
Poweridentical
AC adapter power	90 W	90 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Weight & dimensions5 differ
WeightDiffers	2.77 kg	3.28 kg
WidthDiffers	378 mm	416.8 mm
DepthDiffers	252 mm	276 mm
Height (front)Differs	3.03 cm	3.19 cm
Height (rear)Differs	3.41 cm	3.77 cm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
64-bit computingKnown for one	Yes	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.

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