Product comparison · 2 laptops

Dell Inspiron Q15R vs HP ENVY LM758EA laptop Intel® Core™ i7 i7-720QM

117specifications compared
55differ
62identical
44known for one product only

Key differences

Product colour
- Inspiron Q15R:Black
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:Black, Silver
Display diagonal
- Inspiron Q15R:39.6 cm (15.6")
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:36.8 cm (14.5")
Processor family
- Inspiron Q15R:Intel® Core™ i5
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:Intel® Core™ i7
Processor generation
- Inspiron Q15R:2nd gen Intel® Core™ i5
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:Intel® Core™ i7
Processor model
- Inspiron Q15R:i5-2410M
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:i7-720QM
Processor cores
- Inspiron Q15R:2
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:4
Processor threads
- Inspiron Q15R:4
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:8
Processor boost frequency
- Inspiron Q15R:2.9 GHz
- ENVY LM758EA laptop Intel® Core™ i7 i7-720QM:2.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of Inspiron Q15R, LM758EA
161 specifications	A Dell Inspiron Q15R View product	B HP ENVY LM758EA laptop Intel® Core™ i7 i7-720QM Model LM758EA View product
Design1 differ
Product colourDiffers	Black	Black, Silver
Country of originKnown for one	Unknown — not stated by the source	China
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	36.8 cm (14.5")
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor18 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	2nd gen Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-2410M	i7-720QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.9 GHz	2.8 GHz
Processor frequencyDiffers	2.3 GHz	1.6 GHz
System bus rateDiffers	5 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	6 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketDiffers	BGA 1023	Socket 988
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i7-700 Mobile Series
Processor codenameDiffers	Sandy Bridge	Clarksfield
SteppingDiffers	J1	B1
Thermal Design Power (TDP)Differs	35 W	45 W
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8
CPU multiplier (bus/core ratio)Differs	23	12
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	774 M
Processing Die sizeKnown for one	Unknown — not stated by the source	296 mm²
Memory2 differ
Internal memoryDiffers	4 GB	6 GB
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory layout (slots x size)Differs	2 x 2 GB	2 x 4 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacityDiffers	500 GB	750 GB
Optical drive typeDiffers	DVD-RW	DVD Super Multi DL
Compatible memory cardsDiffers	Memory Stick (MS), MS PRO, SD, SDHC, xD	MMC, SD
Total HDDs capacityKnown for one	Unknown — not stated by the source	750 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	750 GB
Graphics2 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 525M	AMD Mobility Radeon HD 5650
Graphics card familyDiffers	NVIDIA	AMD
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 3000	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1200 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HDA	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Cabling technologyDiffers	10/100Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	3	2
HDMI versionKnown for one	1.4	Unknown — not stated by the source
Mini DisplayPorts quantityDiffers	0	1
VGA (D-Sub) ports quantityDiffers	1	0
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	Intel® HM55 Express
Keyboardidentical
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security 2011
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
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 Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	1.0
Processor ARK IDDiffers	52224	43122
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.2
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBLY
Battery1 differ
Number of battery cellsDiffers	6	8
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.65 kg	2.52 kg
WidthDiffers	380 mm	356 mm
DepthDiffers	262 mm	237 mm
HeightDiffers	32 mm	27.7 mm
Other featuresidentical
Video inKnown for one	0	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR

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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