Side by side comparison and review of Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) and ASUS ROG Zephyrus G15 (GA503RX). 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.
Advantages and disadvantages of Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
efficient multitasking performance
affordable price point
adequate port selection
fast charging support
average display quality
modest battery life
heavier design
no thunderbolt support
Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503RX) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight, portable design
excellent thermal management
long battery life
high price point
no webcam included
limited port selection
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.4 cm x 24.5 cm x 1.89 cm | 35.5 cm x 24.3 cm x 1.99 cm |
| Weight | 1.8 kg | 1.9 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Mineral grey | Moonlight white |
| DISPLAY | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Screen Size (Type) | 15.6" - TN | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1440 (WQHD) |
| V-Sync Rate at Max Res. | - | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | - |
| Colour Gamut | - | 100% DCI-P3 |
| Features | Anti-glare, Wide Viewing Angle | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | AMD Ryzen 9 6900HS / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4.9 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| RAM | 4 GB (1 x 4 GB) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2666 MHz | 4800 MHz |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe - SanDisk | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M |
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | - | Noise-cancellation technology, Smart Amp |
| COMMUNICATIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 90 Wh |
| Battery Life | Up to 9 hours | - |
| AC ADAPTER | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
Headphone/microphone combo jack 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI LAN |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD, microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | Kensington security slot | Kensington 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 | System password, ErgoLift |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Model Number | IIL 20SM | LN006W |
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