Product comparison · 2 laptops

Lenovo ThinkPad T450s vs Lenovo X1 Carbon (3rd Gen)

135specifications compared
25differ
110identical
57known for one product only

Key differences

Product type
- ThinkPad T450s:Laptop
- X1 Carbon (3rd Gen):Ultrabook
Processor family
- ThinkPad T450s:Intel® Core™ i7
- X1 Carbon (3rd Gen):Intel® Core™ i5
Processor generation
- ThinkPad T450s:5th gen Intel® Core™ i7
- X1 Carbon (3rd Gen):5th gen Intel® Core™ i5
Processor model
- ThinkPad T450s:i7-5600U
- X1 Carbon (3rd Gen):i5-5200U
Processor boost frequency
- ThinkPad T450s:3.2 GHz
- X1 Carbon (3rd Gen):2.7 GHz
Processor frequency
- ThinkPad T450s:2.6 GHz
- X1 Carbon (3rd Gen):2.2 GHz
Processor cache
- ThinkPad T450s:4 MB
- X1 Carbon (3rd Gen):3 MB
Processor cache type
- ThinkPad T450s:L3
- X1 Carbon (3rd Gen):Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T450s, X1 Carbon (3rd Gen)
192 specifications	A Lenovo ThinkPad T450s View product	B Lenovo X1 Carbon (3rd Gen)View product
Design1 differ
Product typeDiffers	Laptop	Ultrabook
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Aluminium, Carbon fibre, Glass fibre, Magnesium, Plastic
Market positioning	Business	Business
Displayidentical
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightness	300 cd/m²	300 cd/m²
Contrast ratio (typical)	700:1	700:1
Panel typeKnown for one	IPS	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	5th gen Intel® Core™ i7	5th gen Intel® Core™ i5
Processor modelDiffers	i7-5600U	i5-5200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.2 GHz	2.7 GHz
Processor frequencyDiffers	2.6 GHz	2.2 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	14 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-5600 Mobile Series	Intel® Core™ i5-5200 Mobile Series
Processor codename	Broadwell	Broadwell
Bus type	DMI2	DMI2
Stepping	F0	F0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-down	7.5 W	7.5 W
Configurable TDP-down frequency	0.6 GHz	0.6 GHz
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurations	4x1, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
FSB ParityKnown for one	No	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Maximum internal memoryDiffers	12 GB	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storageidentical
Total storage capacity	256 GB	256 GB
Storage media	SSD	SSD
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 5500	Intel® HD Graphics 5500
Maximum on-board graphics card memory	16 GB	16 GB
On-board graphics card base frequency	300 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	900 MHz
On-board graphics card DirectX version	11.2	11.2
On-board graphics card ID	0x1616	0x1616
Number of discrete graphics cards supportedKnown for one	Unknown — not stated by the source	1
Audio1 differ
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	1 W
Built-in microphone	Yes	Yes
Audio systemKnown for one	HD	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Network1 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	4G
2G standardsKnown for one	Unknown — not stated by the source	Edge, GPRS, GSM
3G standardsKnown for one	Unknown — not stated by the source	HSPA
4G standardKnown for one	Unknown — not stated by the source	LTE
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces4 differ
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	2
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	Unknown — not stated by the source	No
Docking connectorKnown for one	Unknown — not stated by the source	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
SmartCard slotKnown for one	No	Unknown — not stated by the source
Performanceidentical
GPS (satellite)Known for one	Unknown — not stated by the source	Yes
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboard	Yes	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8.1 Pro	Windows 8.1 Pro
Processor special features2 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	14 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video 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 Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) version	1.00	1.00
Intel Smart Response Technology version	1.00	1.00
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® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
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® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	85215	85212
Processor codeDiffers	SR23V	SR23Y
Processor package size	40 x 24 x 1.3 mm	40 x 24 x 1.3 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery capacityKnown for one	Unknown — not stated by the source	50 Wh
Battery life (max)Known for one	Unknown — not stated by the source	10.9 h
Power1 differ
AC adapter powerDiffers	45 W	65 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
DC-in jack	Yes	Yes
Security2 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Password protection	Yes	Yes
Password protection typeDiffers	HDD, Power on, Supervisor	HDD, Power on
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.59 kg	1.3 kg
Width	331 mm	331 mm
DepthDiffers	226 mm	226.5 mm
HeightDiffers	20.6 mm	17.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment tagging	Home office, Small Business	Home office, 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.

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