Product comparison · 2 laptops

Dell Inspiron Q15R vs Dell XPS 15z

126specifications compared
16differ
110identical
27known for one product only

Key differences

Product colour
- Inspiron Q15R:Black
- XPS 15z:Silver
HDD speed
- Inspiron Q15R:5400 RPM
- XPS 15z:7200 RPM
Audio system
- Inspiron Q15R:HDA
- XPS 15z:HD 5.1
Bluetooth version
- Inspiron Q15R:2.1+EDR
- XPS 15z:3.0+HS
USB 2.0 ports quantity
- Inspiron Q15R:3
- XPS 15z:1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- Inspiron Q15R:0
- XPS 15z:2
Mini DisplayPorts quantity
- Inspiron Q15R:0
- XPS 15z:1
VGA (D-Sub) ports quantity
- Inspiron Q15R:1
- XPS 15z:0

Side by side

Differences highlightedShow differences only

Comparison of Inspiron Q15R, XPS 15z
153 specifications	A Dell Inspiron Q15R View product	B Dell XPS 15z View product
Design1 differ
Product colourDiffers	Black	Silver
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor model	i5-2410M	i5-2410M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	2.9 GHz	2.9 GHz
Processor frequency	2.3 GHz	2.3 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	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-2400 Mobile Series	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x8, 1x16, 2x4, 2x8	1x8, 1x16, 2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	23	23
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MS PRO, SD, SDHC, xD	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDIO, SDXC, xD
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA® GeForce® GT 525M	NVIDIA® GeForce® GT 525M
Graphics card family	NVIDIA	NVIDIA
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1200 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Audio1 differ
Audio systemDiffers	HDA	HD 5.1
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet, WLAN	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	2.1+EDR	3.0+HS
Cabling technology	10/100Base-T(X)	10/100Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wireless LAN
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
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
HDMI version	1.4	1.4
DisplayPorts quantity	0	0
Mini DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
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
Modem (RJ-11) ports	0	0
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 HM67 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
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
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
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 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 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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	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® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	52224	52224
Processor package size	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	Unknown — not stated by the source	8.37 h
Poweridentical
DC-in jack	Yes	Yes
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	2.51 kg
WidthDiffers	380 mm	384.9 mm
DepthDiffers	262 mm	260.4 mm
HeightDiffers	32 mm	24.7 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Video inKnown for one	0	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP

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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