Detailed comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) 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.
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C4) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate port selection
average display brightness
heavier than competitors
limited graphics performance
no thunderbolt support
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.7 cm x 1.993 cm | 39.9 cm x 29.4 cm x 3.08 cm |
| Weight | 1.76 kg | 3 kg |
| Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | - |
| Colour | Thunder black | Eclipse grey |
| DISPLAY | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Screen Size (Type) | 15.6" - IPS | 18" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | - | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 500 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | Anti-glare, 170° viewing angle | 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 L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i9 (13th Gen) 13980HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 5.6 GHz |
| Number of Cores | 10-core | 24-core |
| Cache | 12 MB | L3 - 36 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad L15 Gen 3 (21C4) | 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 | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 4800 MHz |
| Rated Speed | 3200 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce RTX 4070 / Intel UHD Graphics |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | - | 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 ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | - | Output: Smart Amp, Hi-Res Audio; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 90 Wh |
| AC ADAPTER | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Chiclet keyboard, per-key RGB, 1.9mm travel distance, ASUS Overstroke technology |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
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 (microSD) | - |
| SOFTWARE | Lenovo ThinkPad L15 Gen 3 (21C4) | 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 | Windows 11 Home |
|---|---|---|
| Software Included | - | Armoury Crate, Xbox Game Pass Ultimate (3 months), Aura Creator, NVIDIA Studio drivers, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad L15 Gen 3 (21C4) | ASUS ROG Strix G18 (G814JI) |
|---|
| 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) Security Chip |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password | 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 | TUV Rheinland Low Blue Light Certification |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
| Model Number | - | N6070W |
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