Detailed comparison and review of Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) and ASUS ROG Zephyrus G15 (GA503QS). 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 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 (GA503QS) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight and portable
efficient cooling system
long battery life
premium price tag
no webcam included
limited port selection
loud under load
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| 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 | Eclipse grey |
| DISPLAY | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Screen Size (Type) | 15.6" - TN | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB |
| Features | Anti-glare, Wide Viewing Angle | Anti-glare, FreeSync Technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, IPS-level |
| PROCESSOR | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | AMD Ryzen 7 5800HS / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 3200 MHz |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe - SanDisk | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3080 / AMD Radeon Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus |
| Gaming | - | Yes |
| Camera | Yes - 720p | - |
| Camera Features | ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two tweeters, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | - | Smart Amplification technology |
| COMMUNICATIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| 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 (GA503QS) |
|---|
| 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 (GA503QS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 200 Watt, 20 V, 10 A |
| INPUT | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| 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 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) LAN HDMI |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkBook 15-IIL (Lenovo ThinkBook 15) | ASUS ROG Zephyrus G15 (GA503QS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Model Number | IIL 20SM | HN013T |
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