In depth comparison and review of Lenovo ThinkPad X1 Extreme Gen 3 (20TL) 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.
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TL) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard feel
high-resolution display
good thermal management
heavier than competitors
short battery life
expensive price point
limited port variety
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
DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Product Type | Notebook - 180-degree hinge design | Notebook |
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Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.84 cm | 35.92 cm x 23.58 cm x 1.99 cm |
Weight | 1.7 kg | 1.67 kg |
Case Material | Carbon fibre hybrid (top), aluminium alloy (bottom) | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black weave | Business black |
DISPLAY | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Screen Size (Type) | 15.6" - IPS | 15.6" - TN |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 600 cd/m² | 250 cd/m² |
Colour Gamut | 100% Adobe RGB | 45% NTSC |
Features | Anti-glare, HDR (high dynamic range), 178° viewing angle, Dolby Vision | Anti-glare, Low Blue Light technology |
PROCESSOR | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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CPU | Intel Core i7 (10th Gen) 10850H / 2.7 GHz | Intel Core i5 (12th Gen) 12500H / 2.5 GHz |
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Max Turbo Speed | 5.1 GHz | 4.5 GHz |
Number of Cores | 6-core | 12-core |
Cache | 12 MB | 18 MB |
Chipset | Mobile Intel WM490 | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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RAM | 32 GB (2 x 16 GB) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 64 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2933 MHz | 3200 MHz |
Rated Speed | 3200 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 0 | 1 |
STORAGE | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Western Digital | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | 3 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 | IR camera, Windows Hello, fixed focus, ThinkShutter camera privacy | Privacy shutter, fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3286 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
Audio Features | 3-magnet speakers | Input: noise-cancellation technology |
COMMUNICATIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Wi-Fi 6 AX 201 | M.2 Card |
Network Interface | - | Gigabit Ethernet |
Features | - | Dual stream (2x2) |
BATTERY | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Technology | 4-cell lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 80 Wh | 38 Wh |
Battery Life | Up to 15.6 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 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 135 Watt, 20 V | 65 Watt |
INPUT | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Slots | 2 x M.2 Card (1 free) | - |
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Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery) 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 Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | - |
SOFTWARE | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro - English |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) | Lenovo V15 G4 IAH (83FS) |
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Included Accessories | Power adapter | Power adapter |
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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 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested, self-healing BIOS | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
Compliant Standards | RoHS, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution) |
SAR Value | 2.512 W/kg (body), 0.967 W/kg (limb) | - |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 5 °C | 5 °C |
Humidity Range Operating | 8 - 95% | 8 - 95% |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |