Lenovo ThinkPad X1 Extreme Gen 5 (21DE) vs. ASUS ROG Strix G18 (G814JI)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) and ASUS ROG Strix G18 (G814JI). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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

ASUS ROG Strix G18 (G814JI) Review

Advantages and disadvantages of ASUS ROG Strix G18 (G814JI) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

robust thermal management

customizable rgb lighting

ample storage options

heavy and bulky

short battery life

high price point

limited port selection

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Extreme Gen 5 (21DE) and ASUS ROG Strix G18 (G814JI)
82 % - Design
85 % - Display
92 % - Performance
86 % - Connectivity
82 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Extreme Gen 5 (21DE) vs. ASUS ROG Strix G18 (G814JI) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.95 cm x 25.38 cm x 1.79 cm 39.9 cm x 29.4 cm x 3.08 cm
Weight 1.88 kg 3 kg
Case Material Aluminium (bottom), carbon fibre (top) -
Colour Black paint Eclipse grey
DISPLAY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Screen Size (Type) 16" - IPS 18"
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1600 (WQXGA) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. 165 Hz 240 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 500 cd/m² 500 cd/m²
Colour Gamut 100% sRGB 100% DCI-P3
Features Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration Anti-glare, NVIDIA G-SYNC compatible, Adaptive-Sync technology, HDR (high dynamic range), 3 ms response rate, Pantone Validated, IPS-level, Dolby Vision, 89% screen-to-body ratio
PROCESSOR Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz Intel Core i9 (13th Gen) 13980HX / 2.2 GHz
Max Turbo Speed 4.7 GHz 5.6 GHz
Number of Cores 14-core 24-core
Cache 24 MB L3 - 36 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
RAM 16 GB (1 x 16 GB) 32 GB (2 x 16 GB)
Max RAM Supported 64 GB 32 GB
RAM Type DDR5 SDRAM DDR5 SDRAM
Speed 4800 MHz 4800 MHz
Rated Speed 4800 MHz 4800 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 1 0
STORAGE Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics NVIDIA GeForce RTX 4070 / Intel UHD Graphics
Max Monitors Supported 4 external monitor(s) -
Video Memory 4 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features - Max-Q design, ROG Boost, Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus, NVIDIA DLSS 3, NVIDIA Studio
Gaming - Yes
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus -
Sound Stereo speakers, dual array microphone Speakers, array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Audio Premium, Dolby Voice Dolby Atmos
Audio Features - Output: Smart Amp, Hi-Res Audio; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Wireless NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 -
Network Interface - Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Technology Lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 90 Wh 90 Wh
AC ADAPTER Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 170 Watt 240 Watt, 20 V, 12 A
INPUT Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes (RGB)
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad Chiclet keyboard, per-key RGB, 1.9mm travel distance, ASUS Overstroke technology
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
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
Headphone/microphone combo jack
HDMI 2.1
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C (supports Thunderbolt 4, DisplayPort Alt Mode)
LAN
Memory Card Reader Yes (SD Express Card) -
SOFTWARE Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - German Windows 11 Home
Software Included Glance by Mirametrix Armoury Crate, Xbox Game Pass Ultimate (3 months), Aura Creator, NVIDIA Studio drivers, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad X1 Extreme Gen 5 (21DE) ASUS ROG Strix G18 (G814JI)
Included Accessories Power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection 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 ASUS Aura Sync technology, Aura Sync light bar, BIOS protection, ROG Intelligent Cooling, ROG Nebula Display, Thermal Grizzly Conductonaut Extreme, 0dB Ambient Cooling
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TÜV Rheinland Low Blue Light Method 2 TUV Rheinland Low Blue Light Certification
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 9 -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 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 - 2 years - pick-up and return
Model Number - N6070W
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