Lenovo ThinkPad P51 (20HJ) vs. Lenovo ThinkPad P14s Gen 1 (20S4)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad P51 (20HJ)
Lenovo ThinkPad P51 (20HJ)

In depth comparison and review of Lenovo ThinkPad P51 (20HJ) and Lenovo ThinkPad P14s Gen 1 (20S4). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkPad P14s Gen 1 (20S4) Review

Advantages and disadvantages of Lenovo ThinkPad P14s Gen 1 (20S4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

compact and portable

mediocre display color

no dedicated GPU

limited storage capacity

higher price segment

Laptop Comparison and Tests

Difference between Lenovo ThinkPad P51 (20HJ) and Lenovo ThinkPad P14s Gen 1 (20S4)
81 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad P51 (20HJ) vs. Lenovo ThinkPad P14s Gen 1 (20S4) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.74 cm x 25.23 cm x 2.94 cm 32.9 cm x 22.7 cm x 1.79 cm
Weight 2.55 kg 1.47 kg
Case Material Glass-fibre reinforced plastic, magnesium-aluminum alloy Glass-fibre, polyphenylene sulfide, polyamide
Colour Black Black
DISPLAY Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut - 45%
Features Anti-glare Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
CPU Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed 3.9 GHz 4.2 GHz
Number of Cores Quad-Core Quad-Core
Cache 8 MB 6 MB
64-bit Computing Yes Yes
Chipset Mobile Intel CM238 -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB 40 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM - non-ECC
Speed 2400 MHz 2666 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 4 1
Empty Slots 3 1
STORAGE Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Main Storage Size (HDD/SSD) 500 GB HDD SATA 6Gb/s / 7200 rpm 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA Quadro M1200 / Intel HD Graphics 630 NVIDIA Quadro P520 / Intel UHD Graphics
Video Memory 4 GB 2 GB GDDR5 SDRAM
Camera Yes - 720p Yes - 720p
Camera Features - Fixed focus, ThinkShutter camera privacy
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3268 Realtek ALC3287
Compliant Standards High Definition Audio Dolby Audio
COMMUNICATIONS Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Dual Band Wireless-AC 8265 - M.2 Card Intel Wi-Fi 6 AX 201
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features - Dual stream (2x2)
BATTERY Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 66 Wh 50 Wh
Battery Life Up to 6.5 hours Up to 15.1 hours
AC ADAPTER Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 170 Watt, 20 V 65 Watt
INPUT Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad Spill-resistant, multi-touch touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Slots 1 x ExpressCard/34 (1 free) -
Interfaces USB 3.1 Gen 1/USB 3.0 (Always On)
3 x USB 3.1 Gen 1/USB 3.0
USB-C (supports Thunderbolt 3)
Mini DisplayPort
HDMI
LAN
Dock
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
LAN
Dock
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) Yes (microSD)
SOFTWARE Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition - French
MISCELLANEOUS Lenovo ThinkPad P51 (20HJ) Lenovo ThinkPad P14s Gen 1 (20S4)
Dockable Yes Yes
Included Accessories Power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, MIL-STD-810G tested Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
Compliant Standards RoHS RoHS
ENERGY STAR Certified Yes -
Manufacturer Warranty - Limited warranty - 3 years - pick-up and return
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