ASUS Vivobook OLED (M3407) vs Lenovo Yoga Slim 9i
The Lenovo Yoga Slim 9i is the better laptop on paper: it has a sharper screen, has Thunderbolt or USB4 and has a smoother screen. Pick the ASUS Vivobook OLED only if it matters to you that it has HDMI and USB-A.
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Key differences
- Sharpness Lenovo Yoga Slim 9i wins
The Lenovo Yoga Slim 9i's screen is sharper: 4K against Full HD.
- Ports Depends on you
Only the ASUS Vivobook OLED has HDMI and USB-A, while only the Lenovo Yoga Slim 9i has Thunderbolt or USB4.
- Smoothness Lenovo Yoga Slim 9i wins
The Lenovo Yoga Slim 9i's 120 Hz screen is smoother than the ASUS Vivobook OLED's 60 Hz one.
- Brightness Lenovo Yoga Slim 9i wins
The Lenovo Yoga Slim 9i's screen is brighter (600 against 300 nits), so it's easier to see near a window.
- Touchscreen Lenovo Yoga Slim 9i wins
Only the Lenovo Yoga Slim 9i has a touchscreen.
Which one should you choose?
Choose the ASUS Vivobook OLED if…
- You plug things in: it has HDMI (for TVs and monitors) and USB-A (for older USB accessories).
- You prefer the newer model: it came out in 2026.
- You do demanding work: its AMD Ryzen AI 7 445 has the power for photo and video editing.
Choose the Lenovo Yoga Slim 9i if…
- You read, write or edit photos a lot: its 4K screen makes text and images crisper.
- You plug things in: it has Thunderbolt or USB4 (for fast docks and drives).
- You like smooth scrolling: its 120 Hz screen feels slicker.
- You work near windows or outside: its screen is brighter at 600 nits.
- You like to tap, scroll and sign things on screen: it has a touchscreen.
Full spec comparison
Add more laptopsThe Lenovo Yoga Slim 9i leads on the screen; elsewhere the two are closely matched. Highlighted values mark the better spec in each row, and you can hide the rows where they match.
Performance
Both laptops are very close on performance.
Their processors are in the same class: both are powerful enough for photo and video editing, and both have 32 GB of memory.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Processor | AMD Ryzen AI 7 445 | Intel Core Ultra 7 258V |
| Graphics | AMD Radeon Graphics | Intel Arc Graphics 140V |
| AI engine (NPU) | 50 TOPS | 47 TOPS |
| Memory (RAM) | 32 GB | 32 GB |
| Memory type | DDR5 | LPDDR5X-8533 |
| Maximum memory | 32 GB | 32 GB |
| Memory upgrades | Partly upgradeable | Soldered (not upgradeable) |
| Storage | 1 TB | 1 TB |
| Storage type | SSD | SSD |
| Storage interface | PCIe 4.0 NVMe M.2 2280 | PCIe 4.0 x4 NVMe M.2 2242 |
| Storage slots | 1 | 1 |
Screen
The Lenovo Yoga Slim 9i is ahead on the screen.
It has a sharper screen, has a smoother screen and has a brighter screen, and the ASUS Vivobook OLED doesn't beat it on anything here.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Screen size | 14" | 14" |
| Resolution | Full HD+ (1920 x 1200) | 4K (3840 x 2400) |
| Aspect ratio | 16:10 | 16:10 |
| Panel | OLED | OLED |
| Refresh rate | 60 Hz | 120 Hz |
| Variable refresh (VRR) | No | — |
| Brightness | 300 nits | 600 nits |
| Colour range | 95% DCI-P3 | 100% DCI-P3 |
| HDR | None | VESA DisplayHDR True Black 600, Dolby Vision |
| Finish | — | Glossy |
| Touchscreen | No | Yes |
Battery and size
The Lenovo Yoga Slim 9i is ahead on battery and weight.
It is a little lighter, and the ASUS Vivobook OLED doesn't beat it on anything here.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Battery life (maker claim) | Up to 25 hours | Up to 17.42 hours |
| Battery capacity | 70 Wh | 75 Wh |
| Charger | 65 W | 65 W |
| Charges via | USB-C | USB-C |
| Fast charging | — | Rapid Charge Express: 3 hours of runtime from a 15-minute charge |
| Weight | 1.4 kg | 1.23 kg |
| Dimensions | 315.2 x 223.4 x 15.9-17.9 mm | 312.93 x 203.5 x 14.55 mm |
| Materials | — | Aluminium + 2.5D glass (top), aluminium (bottom) |
| Durability | US military-grade durability | MIL-STD-810H |
| Colour | Matte Gray | Tidal Teal |
| Colours available | Matte Gray | Tidal Teal |
Ports and wireless
The Lenovo Yoga Slim 9i is ahead on ports and wireless.
The ASUS Vivobook OLED has HDMI and USB-A, while the Lenovo Yoga Slim 9i has Thunderbolt or USB4 and has Wi-Fi 7.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Ports | 2x USB-C 3.2 Gen 1 (charging, DisplayPort), 2x USB-A 3.2 Gen 1, 1x HDMI 2.1 TMDS, 1x 3.5 mm audio | 2x Thunderbolt 4 (USB4 40Gbps, USB PD charging, DisplayPort 2.1) |
| Thunderbolt / USB4 | None | Thunderbolt 4 |
| External displays (max) | — | 2 |
| Card reader | None | None |
| Ethernet | None | None |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.4 |
| Mobile data | None | None |
Features
Both have much the same extras.
From the keyboard to the webcam and login, there is little between them.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Webcam | 1080p + IR | 1080p (32MP), camera under display |
| Webcam privacy | physical shutter | E-shutter (electronic switch on the chassis) |
| Backlit keyboard | Yes | Yes |
| Keyboard | backlit chiclet, 1.7 mm key travel | 6-row, 1.5 mm key travel, backlit, Copilot key |
| Login | Face | Fingerprint |
| Number pad | No | No |
| Touchpad | precision touchpad | Buttonless glass multi-touch touchpad (Precision), 69 x 104 mm |
| Speakers | built-in speakers, Dolby Atmos | 4 stereo speakers (2x 3W woofers, 2x 2W tweeters), Dolby Atmos, Smart Amp |
| Microphones | built-in array microphone | Quad-microphone array |
| Pen | No | No |
| Security | Microsoft Pluton | TPM 2.0 (firmware, in SoC), Fingerprint reader, E-shutter, Self-healing BIOS |
Software and model
The ASUS Vivobook OLED is ahead on software and updates.
It is newer, and the Lenovo Yoga Slim 9i doesn't beat it on anything here.
| Spec | ASUS Vivobook OLED (M3407) | Lenovo Yoga Slim 9i |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Pro |
| Model number | M3407GA-SF003W | 83CX0006US |
| Released | 2026 | 2025 |