Lenovo ThinkPad X1 Extreme Gen 5 (21DE) vs. Lenovo V15 G4 IAH (83FS)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) and Lenovo V15 G4 IAH (83FS). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processors

robust build quality

excellent 4k display

advanced security features

wide connectivity options

high price point

heavier than competitors

average battery life

loud under load

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 Extreme Gen 5 (21DE) and Lenovo V15 G4 IAH (83FS)
82 % - Design
85 % - Display
92 % - Performance
86 % - Connectivity
82 % - Battery
75 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Extreme Gen 5 (21DE) vs. Lenovo V15 G4 IAH (83FS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.95 cm x 25.38 cm x 1.79 cm 35.92 cm x 23.58 cm x 1.99 cm
Weight 1.88 kg 1.67 kg
Case Material Aluminium (bottom), carbon fibre (top) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black paint Business black
DISPLAY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Screen Size (Type) 16" - IPS 15.6" - TN
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1600 (WQXGA) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 165 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 500 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 4.7 GHz 4.5 GHz
Number of Cores 14-core 12-core
Cache 24 MB 18 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
RAM 16 GB (1 x 16 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB 16 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 3200 MHz
Rated Speed 4800 MHz 3200 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 4 external monitor(s) 2 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio Premium, Dolby Voice High Definition Audio, Dolby Audio
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Wireless NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 90 Wh 38 Wh
Battery Life - 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 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 170 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Extreme Gen 5 (21DE) 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 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Slots 2 x M.2 (PCI Express 4.0 x4) (1 free) -
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
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
Memory Card Reader Yes (SD Express Card) -
SOFTWARE Lenovo ThinkPad X1 Extreme Gen 5 (21DE) 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 - German Windows 11 Pro - English
Software Included Glance by Mirametrix Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Lenovo V15 G4 IAH (83FS)
Included Accessories 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 Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TÜV Rheinland Low Blue Light Method 2 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 9 -
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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