Lenovo W510 + L2321x vs Lenovo W510 + L2461x

Comparison of W510 + L2321x, W510 + L2461x

139 specifications	A Lenovo W510 + L2321xView product	B Lenovo W510 + L2461xView product
Designidentical
Product colour	Black	Black
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1600 x 900 pixels	1600 x 900 pixels
HD type	HD+	HD+
Native aspect ratio	16:9	16:9
Display brightness	220 cd/m²	220 cd/m²
Contrast ratio (typical)	500:1	500:1
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	Intel® Core™ i7	Intel® Core™ i7
Processor model	i7-720QM	i7-720QM
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	2.8 GHz	2.8 GHz
Processor frequency	1.6 GHz	1.6 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-700 Mobile Series	Intel Core i7-700 Mobile Series
Processor codename	Clarksfield	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	B1	B1
Thermal Design Power (TDP)	45 W	45 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of Processing Die Transistors	774 M	774 M
Processing Die size	296 mm²	296 mm²
CPU multiplier (bus/core ratio)	12	12
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Known for one	1 x 2 GB	—Unknown — not stated by the source
Memory slots	4x SO-DIMM	4x SO-DIMM
Maximum internal memory	16 GB	16 GB
Storageidentical
Total storage capacity	320 GB	320 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cards	Memory Stick (MS), MMC, MS PRO, SD, xD	Memory Stick (MS), MMC, MS PRO, SD, xD
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA® Quadro® FX 880M	NVIDIA® Quadro® FX 880M
Graphics card family	NVIDIA	NVIDIA
Audioidentical
Audio system	HD	HD
Number of built-in speakers	2	2
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 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	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	0	0
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	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
TV-out	No	No
Performanceidentical
Motherboard chipset	Intel® QM57 Express	Intel® QM57 Express
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)	Yes	Yes
Processor ARK ID	43122	43122
Processor code	SLBLY	SLBLY
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	—Unknown — not stated by the source
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensionsidentical
Weight	2.67 kg	2.67 kg
Width	372.8 mm	372.8 mm
Depth	245.1 mm	245.1 mm
Height (front)	3.2 cm	3.2 cm
Height (rear)	3.58 cm	3.58 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modem	No	No
Intel segment tagging	Professional	Professional
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.