Product comparison · 2 laptops

Lenovo ThinkPad P51 vs Lenovo ThinkPad P71

171specifications compared
16differ
155identical
12known for one product only

Key differences

Display diagonal
- ThinkPad P51:39.6 cm (15.6")
- ThinkPad P71:43.9 cm (17.3")
Display brightness
- ThinkPad P51:250 cd/m²
- ThinkPad P71:300 cd/m²
Contrast ratio (typical)
- ThinkPad P51:700:1
- ThinkPad P71:800:1
Discrete graphics card model
- ThinkPad P51:NVIDIA® Quadro® M1200
- ThinkPad P71:NVIDIA® Quadro® M620
Discrete graphics card memory
- ThinkPad P51:4 GB
- ThinkPad P71:2 GB
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- ThinkPad P51:1
- ThinkPad P71:0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- ThinkPad P51:0
- ThinkPad P71:2
Battery technology
- ThinkPad P51:Lithium Polymer (LiPo)
- ThinkPad P71:Lithium-Ion (Li-Ion)

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad P51, ThinkPad P71
183 specifications	A Lenovo ThinkPad P51 View product	B Lenovo ThinkPad P71 View product
Design1 differ
Housing materialDiffers	Aluminium, Glass-reinforced plastic (GRP), Magnesium	Aluminium, Glass fibre, Magnesium, Polyphenylene sulfide (PPS)
Market positioningKnown for one	High performance	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessDiffers	250 cd/m²	300 cd/m²
Contrast ratio (typical)Differs	700:1	800:1
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® Quadro® M1200	NVIDIA® Quadro® M620
Discrete graphics card memoryDiffers	4 GB	2 GB
Cameraidentical
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Antenna typeKnown for one	Unknown — not stated by the source	2x2
WLAN controller modelKnown for one	Unknown — not stated by the source	Intel Dual Band Wireless-AC 8265
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers	1	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	0	2
Headphone outputsKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Keyboardidentical
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	8
Battery capacityDiffers	90 Wh	96 Wh
Battery life (max)Known for one	6.1 h	Unknown — not stated by the source
Poweridentical
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	2.67 kg	3.3 kg
WidthDiffers	377.4 mm	416 mm
DepthDiffers	252.3 mm	275.5 mm
Height (front)Differs	2.45 cm	2.99 cm
Height (rear)Differs	2.94 cm	3.42 cm

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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