ASUS ROG Phone 9 vs Motorola Edge 40
The Verdict
ASUS ROG Phone 9 dominates flagship performance with its Snapdragon 8 Elite, 185Hz LTPO AMOLED display reaching 2500 nits, and 16GB RAM, making it a powerhouse for gaming and demanding tasks. Display quality is exceptional, refresh rate leads the market, and the 5800mAh battery with 65W charging supports extended sessions. Motorola Edge 40 offers remarkable value at half the price, delivering solid everyday performance with the Dimensity 8020 processor, 144Hz pOLED screen, and notably lighter 167g design. Its 68W TurboPower charging and wireless option add convenience. However, Edge 40 runs older Android 13, lacks the processing muscle for intensive gaming, and features dimmer display technology. ROG Phone 9 justifies its premium through superior specifications, gaming optimization, and longevity. Choose ROG Phone 9 if performance matters; Edge 40 suits budget-conscious users prioritizing everyday use and portability.
Who Should Buy
Buy the ASUS ROG Phone 9 if…
- →185Hz display refresh rate is the highest on any smartphone
- →Snapdragon 8 Elite with advanced cooling sustains peak gaming performance
- →5800 mAh battery handles extended gaming sessions
Buy the Motorola Edge 40 if…
- →Ultra-slim at 7.49 mm and light at 167 g with IP68 protection
- →144Hz pOLED display is exceptionally smooth
- →f/1.4 main camera aperture captures excellent low-light photos
Category Scores
Pros & Cons
ASUS ROG Phone 9
Pros
- 185Hz display refresh rate is the highest on any smartphone
- Snapdragon 8 Elite with advanced cooling sustains peak gaming performance
- 5800 mAh battery handles extended gaming sessions
- AniMe Vision LED dot-matrix display on the back for notifications
- AirTrigger ultrasonic shoulder buttons enhance mobile gaming controls
Cons
- Heavy at 227 g — feels chunky as a daily driver
- 65W charging is slow compared to Chinese gaming phone rivals
- Camera is competent but not flagship-level for the price
- Gaming-focused design is too aggressive for many users
Motorola Edge 40
Pros
- Ultra-slim at 7.49 mm and light at 167 g with IP68 protection
- 144Hz pOLED display is exceptionally smooth
- f/1.4 main camera aperture captures excellent low-light photos
- 68W fast charging with wireless charging at this price
- Vegan leather option provides a unique, grippy texture
Cons
- Dimensity 8020 is a mid-range chip — not flagship performance
- Only one OS update promised by Motorola
- 4400 mAh battery is modest for heavy users
- No telephoto camera for zoom shots
- 256 GB single storage option with no expansion
Full Specifications
| Spec | ASUS ROG Phone 9 | Motorola Edge 40 |
|---|---|---|
| Software | Android 15 | Android 13 |
| Body | ||
| Weight | 227 g | 167 g |
| Material | Aluminum frame, Gorilla Glass Victus 2 | Aluminum frame, vegan leather or glass back |
| IP rating | IP68 | IP68 |
| Dimensions | 163.8 x 77.0 x 8.9 mm | 158.4 x 72 x 7.49 mm |
| Camera | ||
| Main camera | 50 MP, f/1.9, OIS (Sony IMX906) | 50 MP, f/1.4, OIS, PDAF |
| Front camera | 32 MP, f/2.4 | 32 MP, f/2.4 |
| Video | 8K@24fps, 4K@60fps | 4K@30fps |
| Ultrawide | 13 MP, f/2.2, 120-degree | 13 MP, f/2.2, macro mode |
| Memory | ||
| RAM | 16 GB | 8 GB |
| Storage options | 256 GB, 512 GB | 256 GB |
| Battery | ||
| Capacity | 5800 mAh | 4400 mAh |
| Charging | 65W wired | 68W wired (TurboPower) |
| Wireless charging | — | 15W wireless |
| Display | ||
| Size | 6.78 inches | 6.55 inches |
| Type | LTPO AMOLED | pOLED |
| Resolution | 2400 x 1080 | 2400 x 1080 |
| Refresh rate | 185Hz | 144Hz |
| Brightness (nits) | 2500 | 1200 |
| Processor | ||
| CPU | Octa-core (2x4.32 GHz + 6x3.53 GHz) | Octa-core (4x2.6 GHz + 4x2.0 GHz) |
| GPU | Adreno 830 | Mali-G77 MC9 |
| Chipset | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 8020 |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 3.2 | USB-C 2.0 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.3 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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