Product comparison · 2 laptops

Lenovo P51 3Y Prem + 3Y Prem Support vs Lenovo P71 + 3Y Prem Support

161specifications compared
38differ
123identical
25known for one product only

Key differences

Display diagonal
- P51 3Y Prem + 3Y Prem Support:39.6 cm (15.6")
- P71 + 3Y Prem Support:43.9 cm (17.3")
Display resolution
- P51 3Y Prem + 3Y Prem Support:3840 x 2160 pixels
- P71 + 3Y Prem Support:1920 x 1080 pixels
HD type
- P51 3Y Prem + 3Y Prem Support:4K Ultra HD
- P71 + 3Y Prem Support:Full HD
Processor family
- P51 3Y Prem + 3Y Prem Support:Intel® Xeon® E3 v6
- P71 + 3Y Prem Support:Intel® Core™ i7
Processor model
- P51 3Y Prem + 3Y Prem Support:E3-1505MV6
- P71 + 3Y Prem Support:i7-7700HQ
Processor boost frequency
- P51 3Y Prem + 3Y Prem Support:4 GHz
- P71 + 3Y Prem Support:3.8 GHz
Processor frequency
- P51 3Y Prem + 3Y Prem Support:3 GHz
- P71 + 3Y Prem Support:2.8 GHz
Processor cache
- P51 3Y Prem + 3Y Prem Support:8 MB
- P71 + 3Y Prem Support:6 MB

Side by side

Differences highlightedShow differences only

Comparison of P51 3Y Prem + 3Y Prem Support, P71 + 3Y Prem Support
186 specifications	A Lenovo P51 3Y Prem + 3Y Prem Support View product	B Lenovo P71 + 3Y Prem Support View product
Design1 differ
Product type	Mobile workstation	Mobile workstation
Product colour	Black	Black
Form factor	Clamshell	Clamshell
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 resolutionDiffers	3840 x 2160 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	4K Ultra HD	Full HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Screen shape	Flat	Flat
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	800:1
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® E3 v6	Intel® Core™ i7
Processor modelDiffers	E3-1505MV6	i7-7700HQ
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	4 GHz	3.8 GHz
Processor frequencyDiffers	3 GHz	2.8 GHz
System bus rate	8 GT/s	8 GT/s
Processor cacheDiffers	8 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	BGA 1440	Unknown — not stated by the source
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codename	Kaby Lake	Kaby Lake
Bus type	DMI3	DMI3
SteppingKnown for one	B0	Unknown — not stated by the source
Thermal Design Power (TDP)	45 W	45 W
Configurable TDP-down	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 1x8+2x4, 2x8	1x16, 1x8, 2x4, 2x8
PCI Express slots version	3.0	3.0
ECC supported by processorDiffers	Yes	No
Processor generationKnown for one	Unknown — not stated by the source	7th gen Intel® Core™ i7
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i7-7700 Mobile Series
Memory2 differ
Internal memoryDiffers	16 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speed	2400 MHz	2400 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	2 x 8 GB	1 x 8 GB
Memory slots	4x SO-DIMM	4x SO-DIMM
Maximum internal memory	64 GB	64 GB
Maximum internal memory (64-bit)	64 GB	64 GB
ECCKnown for one	Yes	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	512 GB	256 GB
Storage media	SSD	SSD
Number of SSDs installed	1	1
SSD capacityDiffers	512 GB	256 GB
SSD form factor	M.2	M.2
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® Quadro® M2200	NVIDIA® Quadro® M620
Discrete graphics card memoryDiffers	4 GB	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics P630	Intel® HD Graphics 630
Maximum on-board graphics card memoryDiffers	1.7 GB	64 GB
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card OpenGL version	4.4	4.4
On-board graphics card IDDiffers	0x591D	0x591B
Audioidentical
Audio chip	Realtek ALC3268	Realtek ALC3268
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Front camera signal format	720p	720p
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
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 LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.1	4.1
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 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
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-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	0	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI version	1.4b	1.4b
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Headphone outputsKnown for one	0	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	No	Unknown — not stated by the source
Docking connector	Yes	Yes
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Performanceidentical
Motherboard chipset	Intel® CM238	Intel® CM238
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlit	Yes	Yes
Numeric keypad	Yes	Yes
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 10 Pro	Windows 10 Pro
Operating system architecture	64-bit	64-bit
Processor special features7 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Smart Response Technology version	1.00	1.00
Intel Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)Differs	Yes	No
Intel Stable Image Platform Program (SIPP) versionDiffers	1.00	0.00
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI versionDiffers	1.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	No
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® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Response Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	97463	97185
Processor codeKnown for one	SR32K	Unknown — not stated by the source
Processor package size	42 x 28 mm	42 x 28 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® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
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
AC adapter powerKnown for one	170 W	Unknown — not stated by the source
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Password protection	Yes	Yes
Password protection type	HDD, Power on, Supervisor	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
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
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guide	Yes	Yes
Other featuresidentical
3D	No	No
Colour sensorKnown for one	Yes	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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