Product comparison · 2 laptops

Dell XPS L511z Intel® Core™ i5 i5-2410M vs Dell Vostro V2520 Intel® Celeron® B820

139specifications compared
54differ
85identical
43known for one product only

Key differences

Product colour
- XPS L511z Intel® Core™ i5 i5-2410M:Silver
- Vostro V2520 Intel® Celeron® B820:Black
Display resolution
- XPS L511z Intel® Core™ i5 i5-2410M:1920 x 1080 pixels
- Vostro V2520 Intel® Celeron® B820:1366 x 768 pixels
HD type
- XPS L511z Intel® Core™ i5 i5-2410M:Full HD
- Vostro V2520 Intel® Celeron® B820:HD
Processor family
- XPS L511z Intel® Core™ i5 i5-2410M:Intel® Core™ i5
- Vostro V2520 Intel® Celeron® B820:Intel® Celeron®
Processor model
- XPS L511z Intel® Core™ i5 i5-2410M:i5-2410M
- Vostro V2520 Intel® Celeron® B820:B820
Processor threads
- XPS L511z Intel® Core™ i5 i5-2410M:4
- Vostro V2520 Intel® Celeron® B820:2
Processor frequency
- XPS L511z Intel® Core™ i5 i5-2410M:2.3 GHz
- Vostro V2520 Intel® Celeron® B820:1.7 GHz
Processor cache
- XPS L511z Intel® Core™ i5 i5-2410M:3 MB
- Vostro V2520 Intel® Celeron® B820:2 MB

Side by side

Differences highlightedShow differences only

Comparison of L511z, V2520
182 specifications	A Dell XPS L511z Intel® Core™ i5 i5-2410M Model L511z View product	B Dell Vostro V2520 Intel® Celeron® B820 Model V2520 View product
Design1 differ
Product colourDiffers	Silver	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Display2 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeDiffers	Full HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Contrast ratio (typical)Known for one	300:1	Unknown — not stated by the source
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Celeron®
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2410M	B820
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.3 GHz	1.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	BGA 1023	rPGA988B
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Celeron Processor B800 Series for Mobile
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingKnown for one	J1	Unknown — not stated by the source
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	23	17
ECC supported by processor	No	No
Memory4 differ
Internal memoryDiffers	6 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory layout (slots x size)Differs	1 x 2 + 1 x 4 GB	1 x 2 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Memory slots (available)Known for one	0	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	4 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	750 GB	320 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	320 GB
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, MSXC, SD, SDHC, SDIO, SDXC, xD	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 525M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	Intel, NVIDIA	Intel
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1050 MHz
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	MaxxAudio 3	Unknown — not stated by the source
Built-in speaker(s)	Yes	Yes
Built-in microphone	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	2 W
Camera1 differ
Front camera resolution (numeric)Differs	1.3 MP	1 MP
Network2 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wi-Fi standardsDiffers	802.11a, 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
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXDiffers	Yes	No
Bluetooth Low Energy (BLE)Known for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	0	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
eSATA/USB 2.0 ports quantityDiffers	1	0
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 versionKnown for one	1.4	Unknown — not stated by the source
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
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
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivity	3.5 mm	3.5 mm
Microphone connectivity	3.5 mm	3.5 mm
Performance1 differ
Motherboard chipsetDiffers	Intel HM67 Express	Intel® HM75 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 8 Pro
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
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 versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
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)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)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® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52224	67193
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B)
Supported instruction setsDiffers	AVX	SSE4.x
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	8	6
Battery capacityDiffers	64 Wh	48 Wh
Battery life (max)Known for one	8.22 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Silver, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	2.51 kg	2.36 kg
WidthDiffers	384.9 mm	376 mm
DepthDiffers	260.4 mm	260 mm
HeightKnown for one	24.7 mm	Unknown — not stated by the source
Width (imperial)Differs	38.5 cm (15.2")	37.6 cm (14.8")
Depth (imperial)Differs	26 cm (10.2")	25.9 cm (10.2")
Height (imperial)Known for one	2.46 cm (0.97")	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.15 cm
Height (rear)Known for one	Unknown — not stated by the source	3.45 cm
Height (front) (imperial)Known for one	Unknown — not stated by the source	3.15 cm (1.24")
Height (rear) (imperial)Known for one	Unknown — not stated by the source	3.45 cm (1.36")
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty card	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
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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