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
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
HD typeDiffers	Full HD	HD+
LED backlightKnown for one	Yes	Unknown — not stated by the source
Memory1 differ
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Storage4 differ
Total storage capacityDiffers	1 TB	750 GB
HDD capacityDiffers	1 TB	750 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive typeDiffers	DVD±RW	DVD-RW
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
Discrete graphics card modelDiffers	AMD Radeon HD 7730M	NVIDIA® GeForce® GT 650M
Audio1 differ
Audio systemDiffers	HD	SRS Premium Sound
Built-in subwooferKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
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
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Cabling technologyDiffers	10/100/1000Base-T(X)	10/100Base-T(X)
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
HDMI versionDiffers	1.4a	1.4
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel HM67 Express
Keyboard1 differ
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
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special featuresidentical
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
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
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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