Lenovo X1 Intel® Core™ i5 i5-2520M vs Lenovo X1 Carbon

Comparison of X1, X1 Carbon

145 specifications	A Lenovo X1 Intel® Core™ i5 i5-2520M Model X1 View product	B Lenovo X1 CarbonView product
Designidentical
Product typeKnown for one	—Unknown — not stated by the source	Ultrabook
Product colour	Black	Black
Displayidentical
Display diagonal	33.8 cm (13.3")	33.8 cm (13.3")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenKnown for one	—Unknown — not stated by the source	No
Native aspect ratio	16:9	16:9
Display brightness	350 cd/m²	350 cd/m²
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	i5-2520M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.2 GHz	3.2 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 socket	Socket 988	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-2500 Mobile Series	Intel Core i5-2500 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	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	25	25
ECC supported by processor	No	No
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	—Unknown — not stated by the source	1 x 8 GB
Memory slots	1x SO-DIMM	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storageidentical
Total storage capacity	160 GB	160 GB
Number of HDDs installed	1	1
SSD capacity	160 GB	160 GB
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® HD Graphics	Intel® HD Graphics
Graphics card family	Intel	Intel
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)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Audioidentical
Audio system	Dolby Home Theater	Dolby Home Theater
Number of built-in speakers	2	2
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Swivel webcam	No	No
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Ethernet LAN	Yes	Yes
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 & interfacesidentical
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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	1.4a	1.4a
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	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
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
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)	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	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)	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™	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	52229	52229
Processor code	SR048	SR048
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery life (max)	5.2 h	5.2 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	Yes	Yes
Weight & dimensionsidentical
Weight	1.69 kg	1.69 kg
Width	337 mm	337 mm
Depth	231 mm	231 mm
Height (front)	1.65 cm	1.65 cm
Height (rear)	2.13 cm	2.13 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power requirements	100 - 240V	100 - 240V
Power supply type	AC	AC
TV tuner integrated	No	No
Intel segment taggingKnown for one	—Unknown — not stated by the source	Enterprise, Small Business

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.