Product comparison · 2 laptops

Dell 13z (N311z) vs Dell E5530 + Port replicator

125specifications compared
36differ
89identical
39known for one product only

Key differences

Display diagonal
- 13z (N311z):33.8 cm (13.3")
- E5530 + Port replicator:39.6 cm (15.6")
Processor generation
- 13z (N311z):2nd gen Intel® Core™ i5
- E5530 + Port replicator:3rd gen Intel® Core™ i5
Processor model
- 13z (N311z):i5-2450M
- E5530 + Port replicator:i5-3210M
Processor lithography
- 13z (N311z):32 nm
- E5530 + Port replicator:22 nm
Processor codename
- 13z (N311z):Sandy Bridge
- E5530 + Port replicator:Ivy Bridge
Stepping
- 13z (N311z):J1
- E5530 + Port replicator:L1
Tjunction
- 13z (N311z):100 °C
- E5530 + Port replicator:105 °C
PCI Express slots version
- 13z (N311z):2.0
- E5530 + Port replicator:3.0

Side by side

Differences highlightedShow differences only

Comparison of 13z (N311z), E5530 + Port replicator
164 specifications	A Dell 13z (N311z)View product	B Dell E5530 + Port replicator View product
Designidentical
Product colour	Black	Black
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i5	3rd gen Intel® Core™ i5
Processor modelDiffers	i5-2450M	i5-3210M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.1 GHz	3.1 GHz
Processor frequency	2.5 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i5-3200 Mobile series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	L1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
CPU multiplier (bus/core ratio)	25	25
ECC supported by processor	No	No
Processor socketKnown for one	Unknown — not stated by the source	BGA 1023
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory slots (available)Known for one	Unknown — not stated by the source	1
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacityDiffers	128 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xD	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1300 MHz	1100 MHz
On-board graphics card IDDiffers	0x116	0x166
Audioidentical
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network3 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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 versionDiffers	3.0+HS	4.0
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces3 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityDiffers	0	1
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Docking connectorKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard languageKnown for one	Unknown — not stated by the source	English
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Operating system installedKnown for one	Unknown — not stated by the source	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features6 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 lithographyDiffers	32 nm	22 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)Differs	No	Yes
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	65708
Processor codeDiffers	SR04Z	SR0N0
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityDiffers	65 Wh	60 Wh
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.76 kg	2.38 kg
WidthDiffers	332 mm	388 mm
DepthDiffers	241.3 mm	251 mm
Height (front)Differs	2.22 cm	3.02 cm
Height (rear)Differs	2.27 cm	3.32 cm
Width (imperial)Known for one	33.3 cm (13.1")	Unknown — not stated by the source
Depth (imperial)Known for one	24.1 cm (9.5")	Unknown — not stated by the source
Height (front) (imperial)Known for one	2.21 cm (0.87")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	2.26 cm (0.89")	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	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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