In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RM) and Lenovo ThinkPad E15 Gen 2 (20T9). 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 (GA503RM) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight, portable design
efficient cooling system
good battery life
high price point
no webcam included
limited port selection
average speaker quality
Advantages and disadvantages of Lenovo ThinkPad E15 Gen 2 (20T9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
solid performance
average display quality
heavier than competitors
no thunderbolt support
limited color accuracy
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 1.9 kg | 1.7 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Moonlight white | Black |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2560 x 1440 (WQHD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 165 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | 100% DCI-P3 | - |
| Features | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| CPU | AMD Ryzen 9 6900HS / 3.3 GHz | AMD Ryzen 5 4500U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 16 MB | L3 - 8 MB |
| 64-bit Computing | - | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | 24 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 / AMD Radeon 680M | AMD Radeon Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | NVIDIA Optimus, ROG Boost, Dynamic Boost | - |
| Gaming | Yes | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, Windows Hello | Fixed focus, ThinkShutter camera privacy |
| Sound | Two tweeters, two woofers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | Dolby Atmos | High Definition Audio |
| Audio Features | Noise-cancellation technology, Smart Amp | Harman/kardon stereo speakers |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 200 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 45 Wh |
| Battery Life | - | Up to 12.7 hours |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | - |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Slots | - | 2 x M.2 Card (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 |
USB 3.2 Gen 1 (Always On) USB 2.0 USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDXC UHS-II) | - |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503RM) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip |
| 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 | System password, ErgoLift | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.438 W/kg (body), 0.438 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Model Number | HQ007W | - |
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