Product comparison · 2 laptops

Dell 14z (l412z) vs Dell 15 (L502x)

148specifications compared
34differ
114identical
22known for one product only

Key differences

Product colour
- 14z (l412z):Silver
- 15 (L502x):Black, Silver
Display diagonal
- 14z (l412z):35.6 cm (14")
- 15 (L502x):39.6 cm (15.6")
Display diagonal (metric)
- 14z (l412z):35.6 cm
- 15 (L502x):39.6 cm
Processor family
- 14z (l412z):Intel® Core™ i5
- 15 (L502x):Intel® Core™ i7
Processor generation
- 14z (l412z):2nd gen Intel® Core™ i5
- 15 (L502x):2nd gen Intel® Core™ i7
Processor model
- 14z (l412z):i5-2450M
- 15 (L502x):i7-2670QM
Processor cores
- 14z (l412z):2
- 15 (L502x):4
Processor threads
- 14z (l412z):4
- 15 (L502x):8

Side by side

Differences highlightedShow differences only

Comparison of 14z (l412z), 15 (L502x)
170 specifications	A Dell 14z (l412z)View product	B Dell 15 (L502x)View product
Design1 differ
Product colourDiffers	Silver	Black, Silver
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
HD type	HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display diagonal (metric)Differs	35.6 cm	39.6 cm
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i7
Processor modelDiffers	i5-2450M	i7-2670QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequency	3.1 GHz	3.1 GHz
Processor frequencyDiffers	2.5 GHz	2.2 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1224
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i7-2600 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	D2
Thermal Design Power (TDP)Differs	35 W	45 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	25	22
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)	1 x 4 GB	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)	1	1
Maximum internal memory	8 GB	8 GB
Storage2 differ
Total storage capacity	750 GB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	750 GB	750 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive typeDiffers	DVD Super Multi	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS Duo, MS PRO, MS PRO Duo, SD, xD	Memory Stick (MS), MMC, MS PRO, MSXC, SD, SDHC, SDIO, SDXC, xD
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 520M	NVIDIA® GeForce® GT 540M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Graphics card family	Intel, NVIDIA	Intel, 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)Differs	1300 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	JBL
Built-in speaker(s)	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	4 W
Built-in subwooferKnown for one	Unknown — not stated by the source	Yes
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Camera1 differ
Front camera resolution (numeric)Differs	1.3 MP	2 MP
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	3.0+HS	3.0+HS
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	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 version	1.4	1.4
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out portDiffers	No	Yes
Microphone in	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performanceidentical
Motherboard chipset	Intel HM67 Express	Intel HM67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Windows keys	Yes	Yes
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Drivers included	Yes	Yes
Processor special features3 differ
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	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)	Yes	Yes
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™	Yes	Yes
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 IDDiffers	53452	53470
Processor codeDiffers	SR04Z	SR02S
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	31 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery2 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	8	6
Battery capacityDiffers	58 Wh	2600 mAh
Battery life (max)Known for one	Unknown — not stated by the source	5.23 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
Securityidentical
Cable lock slot	No	No
Weight & dimensions5 differ
WeightDiffers	1.98 kg	2.7 kg
WidthDiffers	335 mm	381 mm
DepthDiffers	234 mm	265.4 mm
Height (front)Known for one	Unknown — not stated by the source	3.22 cm
Height (rear)Known for one	Unknown — not stated by the source	3.82 cm
Width (imperial)Differs	35.3 cm (13.9")	38.1 cm (15")
Depth (imperial)Differs	23.4 cm (9.21")	26.4 cm (10.4")
Height (front) (imperial)Known for one	Unknown — not stated by the source	3.3 cm (1.3")
Height (rear) (imperial)Known for one	Unknown — not stated by the source	3.81 cm (1.5")
HeightKnown for one	23 mm	Unknown — not stated by the source
Height (imperial)Known for one	2.29 cm (0.9")	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Quick start guide	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power supply type	AC/DC	AC/DC
Supplied AC adapter type	AC	AC

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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