Product comparison · 2 laptops

Lenovo P50 DOS US vs Lenovo X1 Carbon (4th Gen.) DOS US

137specifications compared
46differ
91identical
25known for one product only

Key differences

The Lenovo P50 DOS US has 2 more processor cores than the Lenovo X1 Carbon (4th Gen.) DOS US (4 vs 2). The Lenovo P50 DOS US has 4 more processor threads than the Lenovo X1 Carbon (4th Gen.) DOS US (8 vs 4). The Lenovo P50 DOS US has 0.3 GHz more processor boost frequency than the Lenovo X1 Carbon (4th Gen.) DOS US (3.7 GHz vs 3.4 GHz). Only the Lenovo P50 DOS US has ECC supported by processor. Only the Lenovo P50 DOS US has ExpressCard slot.

Display diagonal
- P50 DOS US:39.6 cm (15.6")
- X1 Carbon (4th Gen.) DOS US:35.6 cm (14")
Display resolution
- P50 DOS US:3840 x 2160 pixels
- X1 Carbon (4th Gen.) DOS US:2560 x 1440 pixels
HD type
- P50 DOS US:4K Ultra HD
- X1 Carbon (4th Gen.) DOS US:Quad HD
Processor family
- P50 DOS US:Intel® Xeon® E3 v5
- X1 Carbon (4th Gen.) DOS US:Intel® Core™ i7
Processor model
- P50 DOS US:E3-1505MV5
- X1 Carbon (4th Gen.) DOS US:i7-6600U
Processor cores
- P50 DOS US:4
- X1 Carbon (4th Gen.) DOS US:2
Processor threads
- P50 DOS US:8
- X1 Carbon (4th Gen.) DOS US:4
Processor boost frequency
- P50 DOS US:3.7 GHz
- X1 Carbon (4th Gen.) DOS US:3.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of P50 DOS US, X1 Carbon (4th Gen.) DOS US
162 specifications	A Lenovo P50 DOS US View product	B Lenovo X1 Carbon (4th Gen.) DOS US View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	3840 x 2160 pixels	2560 x 1440 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeDiffers	4K Ultra HD	Quad HD
Processor17 differ
Processor familyDiffers	Intel® Xeon® E3 v5	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	6th gen Intel® Core™ i7
Processor modelDiffers	E3-1505MV5	i7-6600U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.7 GHz	3.4 GHz
Processor frequencyDiffers	2.8 GHz	2.6 GHz
Processor cacheDiffers	8 MB	4 MB
L3 cacheDiffers	8 MB	4 MB
L2 cacheKnown for one	Unknown — not stated by the source	0.512 MB
Processor socketDiffers	BGA 1440	LGA 1356 (Socket B2)
Processor seriesDiffers	Intel Xeon E3-1500M v5	Intel Core i7-6600 Mobile Series
Bus typeDiffers	DMI3	OPI
SteppingDiffers	R0	D1
Thermal Design Power (TDP)Differs	45 W	15 W
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	2.8 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-downDiffers	35 W	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 4x1
ECC supported by processorDiffers	Yes	No
System bus rateKnown for one	8 GT/s	Unknown — not stated by the source
Memory3 differ
Internal memory typeDiffers	DDR4-SDRAM	LPDDR3-SDRAM
Memory clock speedDiffers	2133 MHz	1866 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Maximum internal memoryDiffers	64 GB	16 GB
Memory slotsKnown for one	4x SO-DIMM	Unknown — not stated by the source
Storage2 differ
SSD capacityDiffers	1 TB	512 GB
Compatible memory cardsDiffers	SDXC	MicroSDXC
Graphics5 differ
On-board graphics card modelDiffers	Intel® HD Graphics P530	Intel® HD Graphics 520
Maximum on-board graphics card memoryDiffers	1.7 GB	32 GB
On-board graphics card base frequencyDiffers	350 MHz	300 MHz
On-board graphics card IDDiffers	0x191D	1916
Maximum resolutionDiffers	3840 x 2160 pixels	4096 x 2160 pixels
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® Quadro® M2000M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	4 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
NVIDIA Optimus technologyKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Rear cameraKnown for one	Unknown — not stated by the source	No
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	No
LAN controllerKnown for one	Intel I219LM	Unknown — not stated by the source
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsDiffers	1	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
ExpressCard slotDiffers	Yes	No
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
Performance1 differ
AccelerometerDiffers	No	Yes
Keyboard1 differ
Number of pointing stick buttonsDiffers	3	1
Processor special features3 differ
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	89608	88192
Processor codeDiffers	SR2FN	SR2F1
Processor package sizeDiffers	42 x 28 mm	42 X 24 mm
Battery3 differ
Number of battery cellsDiffers	6	4
Battery capacityDiffers	90 Wh	52 Wh
Battery life (max)Differs	5.75 h	7.33 h
Power1 differ
AC adapter powerDiffers	170 W	65 W
Weight & dimensions3 differ
WeightDiffers	2.6 kg	1.15 kg
WidthDiffers	377 mm	333 mm
DepthDiffers	252 mm	229 mm
HeightKnown for one	Unknown — not stated by the source	17 mm
Height (front)Known for one	2.8 cm	Unknown — not stated by the source
Height (rear)Known for one	3.2 cm	Unknown — not stated by the source
Other features1 differ
Power adapter weightDiffers	550 g	240 g
L2 cacheKnown for one	1024 KB	Unknown — not stated by the source

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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