In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RX) and Lenovo ThinkBook 16p G4 IRH (21J8). 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 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
Advantages and disadvantages of Lenovo ThinkBook 16p G4 IRH (21J8) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
high-resolution display
solid build quality
good thermal management
decent battery life
heavier than competitors
limited port selection
higher price point
noisy under load
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 35.46 cm x 25.5 cm x 1.99 cm |
| Weight | 1.9 kg | 2.2 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Moonlight white | Dual tone storm grey |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Screen Size (Type) | 15.6" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1440 (WQHD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 240 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | 100% DCI-P3 | 100% sRGB |
| Features | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level | Anti-glare, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| CPU | AMD Ryzen 9 6900HS / 3.3 GHz | Intel Core i7 (13th Gen) 13700H / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 5 GHz |
| Number of Cores | 8-core | 14-core |
| Cache | L3 - 16 MB | 24 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 48 GB | 32 GB |
| RAM Type | DDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 5200 MHz |
| Rated Speed | - | 5200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 16 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus, ROG Boost, Dynamic Boost | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3 |
| Gaming | Yes | - |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Two tweeters, two woofers, array microphone | Two tweeters, two woofers, dual array microphone |
| Codec | - | Realtek ALC3306-CG |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | Noise-cancellation technology, Smart Amp | Output: harman/kardon stereo speakers, Smart Amplifier (AMP); Input: noise-cancellation technology |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 80 Wh |
| Battery Life | - | Up to 18 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 18 hours |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 230 Watt |
| INPUT | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Slots | - | 1 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | 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 |
2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (8K support) Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDXC UHS-II) | Yes (SD Express Card) |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503RX) | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | - | Ambient light sensor |
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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 | System password, ErgoLift | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS, LA2-Q AI performance chip |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution), TCO Certified 9.0, Low-VOC |
| Carbon Footprint | - | 402 kg carbon emissions (EU) |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | LN006W | - |
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