Product comparison · 2 laptops

Dell 15R (7520) vs Dell 15R (7537)

151specifications compared
55differ
96identical
26known for one product only

Key differences

Product colour
- 15R (7520):Black
- 15R (7537):Silver
Touchscreen
- 15R (7520):No
- 15R (7537):Yes
Processor family
- 15R (7520):Intel® Core™ i7
- 15R (7537):Intel® Core™ i5
Processor generation
- 15R (7520):3rd gen Intel® Core™ i7
- 15R (7537):4th gen Intel® Core™ i5
Processor model
- 15R (7520):i7-3632QM
- 15R (7537):i5-4200U
Processor cores
- 15R (7520):4
- 15R (7537):2
Processor threads
- 15R (7520):8
- 15R (7537):4
Processor boost frequency
- 15R (7520):3.2 GHz
- 15R (7537):2.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of 15R (7520), 15R (7537)
177 specifications	A Dell 15R (7520)View product	B Dell 15R (7537)View product
Design1 differ
Product colourDiffers	Black	Silver
Display1 differ
TouchscreenDiffers	No	Yes
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor17 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-3632QM	i5-4200U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.2 GHz	2.6 GHz
Processor frequencyDiffers	2.2 GHz	1.6 GHz
Processor cacheDiffers	6 MB	3 MB
Processor socketDiffers	Socket 1224	BGA 1168
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Ivy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
SteppingKnown for one	Unknown — not stated by the source	C0
Thermal Design Power (TDP)Differs	35 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 2x4
PCI Express slots versionDiffers	3.0	2.0
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	22	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	8 GB	6 GB
Memory layout (slots x size)Differs	2 x 4 GB	1 x 2 + 1 x 4 GB
Storage4 differ
Total storage capacityDiffers	1 TB	750 GB
HDD capacityDiffers	1 TB	750 GB
Optical drive typeDiffers	DVD±RW	No
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xD	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
Graphics6 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	AMD Radeon HD 7730M	Not available
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyDiffers	650 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDDiffers	0x166	0xA16
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Waves MaxxAudio 4	MaxxAudio Pro
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Networkidentical
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	0	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	0
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
VGA (D-Sub) ports quantityDiffers	1	0
Headphone outputsDiffers	1	0
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboardidentical
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Processor special features10 differ
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel® High Definition Audio (Intel® HD Audio)Differs	No	Yes
Processor ARK IDDiffers	71458	75459
Processor codeKnown for one	Unknown — not stated by the source	SR170
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	6	4
Battery capacityDiffers	48 Wh	58 Wh
Power1 differ
AC adapter powerDiffers	90 W	65 W
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	2.77 kg	2.6 kg
WidthDiffers	378 mm	379.4 mm
DepthDiffers	252 mm	254.8 mm
Height (front)Differs	3.03 cm	2.05 cm
Height (rear)Differs	3.41 cm	2.22 cm
Performanceidentical
Motherboard chipsetKnown for one	Intel HM77 Express	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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