Detailed comparison and review of ASUS ROG Zephyrus G15 (GA502IU) and Lenovo ThinkPad E15 Gen 2 (20T9). 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 ASUS ROG Zephyrus G15 (GA502IU) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful AMD processor
high refresh rate screen
lightweight and portable
solid battery life
effective cooling system
mediocre webcam quality
no Thunderbolt support
limited storage capacity
average color accuracy
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 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 25.2 cm x 1.99 cm | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 2.1 kg | 1.7 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | - | Black |
| DISPLAY | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| 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 | - | 250 cd/m² |
| Colour Gamut | 47.34% Adobe RGB, 62.5% sRGB | - |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| CPU | AMD Ryzen 7 4800HS / 2.9 GHz | AMD Ryzen 5 4500U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 8 MB | L3 - 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus G15 (GA502IU) | 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 | - | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1660 Ti / AMD Radeon Vega Graphics | AMD Radeon Graphics |
| Video Memory | 6 GB GDDR6 SDRAM | - |
| Video System Features | Max-Q design | - |
| Gaming | Yes | - |
| Camera | - | Yes - 720p |
| Camera Features | - | Fixed focus, ThinkShutter camera privacy |
| Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio |
| Audio Features | Smart Amplification technology | Harman/kardon stereo speakers |
| VR Ready | Yes | - |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| 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 200 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 45 Wh |
| Battery Life | - | Up to 12.7 hours |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 20 V, 9 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard, ASUS Overstroke technologie, N-key rollover | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack 3 x USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) LAN HDMI |
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 |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA502IU) | Lenovo ThinkPad E15 Gen 2 (20T9) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI | - |
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA502IU) | 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 | 65W power delivery | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.014 W/kg (body), 0.014 W/kg (limb) | 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 | AL014T | - |
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