Lenovo ThinkPad X1 Nano Gen 1 (20UN) vs. Lenovo V15 G4 IAH (83FS)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X1 Nano Gen 1 (20UN) and Lenovo V15 G4 IAH (83FS). 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 X1 Nano Gen 1 (20UN) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 1 (20UN) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

sharp display resolution

efficient performance

limited port selection

higher price point

no touchscreen option

average audio quality

Lenovo V15 G4 IAH (83FS) Review

Advantages and disadvantages of Lenovo V15 G4 IAH (83FS) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

solid build quality

decent processor performance

sufficient connectivity options

lightweight design

average display quality

limited graphics power

modest battery life

no backlit keyboard

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Nano Gen 1 (20UN) and Lenovo V15 G4 IAH (83FS)
82 % - Design
82 % - Display
86 % - Performance
86 % - Connectivity
85 % - Battery
75 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Nano Gen 1 (20UN) vs. Lenovo V15 G4 IAH (83FS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Product Type Notebook Notebook
Dimensions (WxDxH) 29.28 cm x 20.77 cm x 1.67 cm 35.92 cm x 23.58 cm x 1.99 cm
Weight 907 g 1.67 kg
Case Material Carbon fibre (top), magnesium alloy (bottom) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black paint Business black
DISPLAY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Screen Size (Type) 13" - IPS 15.6" - TN
LCD Backlight Technology LED backlight -
Screen Resolution 2160 x 1350 (2K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 450 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, 170° viewing angle, Low Power Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
CPU Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 4 GHz 4.5 GHz
Number of Cores Quad-Core 12-core
Cache 8 MB 18 MB
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 16 GB
RAM Type LPDDR4X SDRAM DDR4 SDRAM
Speed 4266 MHz 3200 MHz
Rated Speed 4266 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 2 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus, Human Presence Detection Privacy shutter, fixed focus
Sound Four speakers, four microphones Stereo speakers, dual array microphone
Codec Realtek ALC3306 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Wi-Fi 6 AX 201 M.2 Card
Network Interface - Gigabit Ethernet
Features Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 48 Wh 38 Wh
Battery Life Up to 22.87 hours Up to 9.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 9.1 hours
AC ADAPTER Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Interfaces 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
HDMI 1.4b
LAN
Headphone/microphone combo jack
USB 2.0
SOFTWARE Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo V15 G4 IAH (83FS)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, Firmware Resiliency 2.0 Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Limited warranty - 1 year - pick-up and return
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