Review Asus VivoBook S 14 OLED M5406WA
Asus VivoBook S 14 OLED M5406WA · Ryzen AI 9 HX 370 · Radeon 890M
AMD Ryzen AI 9 HX 370 · AMD Radeon 890M · 24GB LPDDR5X-7500 (soldered) · 1TB SSD (Micron 2400) · 14″ 1920×1200 OLED 60Hz · 1.313 kg
True-color, responsive & contrast-rich panel –
great battery life,
good input devices,
powerful processor,
compact & lightweight,
sleek design,
speedy iGPU,
USB 4.
Surface temperatures under load,
case could do with being more stable,
RAM & wireless module soldered on,
display is very reflective,
slow card reader,
only one M.2 slot.
Successful performance of the Ryzen AI 9 HX 370 – a speedy allrounder with impressive battery life.
Display – 14″ OLED · 1920×1200 · 60Hz · 100% sRGB
Panel: ATNA40CT02-0 (SDC41A0) – 14″ 1920×1200, OLED, glossy, 60Hz, HDR.
| Specification | Value |
|---|---|
| Brightness (SDR) | ~385 cd/m² |
| sRGB coverage | 100% |
| AdobeRGB coverage | 97.2% |
| Display P3 coverage | 99.9% |
| Response times | Very fast (OLED) |
| PWM | 240 Hz (≤86% brightness) |
| Finish | Glossy (very reflective) |
| Refresh Rate | 60 Hz |
- Vivid P3 and AdobeRGB colors
- Very fast response times
- 60 Hz refresh rate
- PWM flickering at 240 Hz
- Highly reflective surface
PWM flickering at 240 Hz – may cause eyestrain for sensitive users.
Panel FRU: ATNA40CT02-0 (SDC41A0) (14″ 1920×1200 OLED, 60Hz, glossy)
ICC profile available – calibrated ΔE 1.79
Processor – AMD Ryzen AI 9 HX 370 · 12c/24t · Strix Point (Zen 5)
- Model: AMD Ryzen AI 9 HX 370 – 4× Zen 5, 8× Zen 5c
- Boost: 5.1 GHz (Zen 5) / 3.3 GHz (Zen 5c)
- TDP: 65 W PL2 / 54 W PL1 (sustained)
- Cinebench R23 Multi: ~21,058 pts
- Excellent CPU performance – beats competition
CPU FRU: AMD Ryzen AI 9 HX 370 (Strix Point, Zen 5, soldered BGA)
Graphics – AMD Radeon 890M · integrated
- Model: AMD Radeon 890M – RDNA 3.5, 16 CUs
- 3DMark Time Spy: ~4,073 pts
- Cyberpunk 2077 (FHD Ultra): ~25.4 fps
- Excellent iGPU – rivals Intel Arc 8
| Benchmark | Score |
|---|---|
| 3DMark Time Spy | 4,073 |
| 3DMark Fire Strike | 8,792 |
| 3DMark 11 Performance | 15,204 |
| Cyberpunk 2077 (FHD Ultra) | ~25.4 fps |
GPU FRU: AMD Radeon 890M (integrated, RDNA 3.5)
Memory – 24GB LPDDR5X-7500 · soldered · not upgradeable
- Capacity: 24 GB LPDDR5X-7500 (soldered, dual-channel)
- Soldered – not upgradeable
RAM is soldered – no upgrade options.
RAM FRU: LPDDR5X-7500 24GB (soldered) – not replaceable
Storage – 1TB Micron 2400 · PCIe 4.0 · single M.2 2280 slot
- Drive: Micron 2400 MTFDKBA1T0QFM – 1 TB, PCIe 4.0
- Seq. read: ~4,831 MB/s
- Seq. write: ~3,404 MB/s
- Only one M.2 slot
SSD FRU: Micron 2400 MTFDKBA1T0QFM (1 TB, M.2 2280, PCIe 4.0)
Battery – ~16.5 hours · 75 Wh
- Capacity: 75 Wh
- WiFi surfing (150 nits): ~16.5 hours
- Excellent battery life – best in class
Battery FRU: 75 Wh (internal) – replaceable
AC Adapter FRU: 90W USB-C (Asus)
Chassis & Connectivity – Metal lid · Plastic base · Wi-Fi 6E · USB 4 · HDMI · microSD
- Materials: Metal lid, Plastic base
- Weight: 1.313 kg (2.89 lbs)
- Dimensions: 311 × 222 × 15.9 mm
- Left: HDMI 2.1, USB-C 3.2 Gen 1 (DP, PD), USB-C 4.0 (DP, PD), microSD, 3.5mm Audio
- Right: 2× USB-A 3.2 Gen 1
- USB 4 support
- Slow microSD card reader
WLAN FRU: MediaTek Wi-Fi 6E MT7922 – soldered (not replaceable)
Serviceability – RAM & Wi-Fi soldered · SSD replaceable
| Component | Replaceable? | Notes |
|---|---|---|
| SSD | ✅ Yes | M.2 2280 – replaceable |
| RAM | ❌ No | Soldered – not upgradeable |
| Wi-Fi | ❌ No | Soldered – not replaceable |
| Battery | ⚠️ Limited | 75 Wh – internal but replaceable |
| CPU/GPU | ❌ No | Soldered BGA |
RAM and Wi-Fi are soldered – limited upgradeability.
SSD is replaceable – single M.2 slot.
Components FRU / Model Numbers
| Component | FRU / Model |
|---|---|
| CPU | AMD Ryzen AI 9 HX 370 (Strix Point, Zen 5, soldered) |
| GPU | AMD Radeon 890M (integrated, RDNA 3.5) |
| RAM | LPDDR5X-7500 24GB (soldered) – not upgradeable |
| SSD | Micron 2400 MTFDKBA1T0QFM (1 TB, M.2 2280, PCIe 4.0) |
| Display Panel | ATNA40CT02-0 (SDC41A0) (14″ 1920×1200 OLED, 60Hz, glossy) |
| WLAN | MediaTek Wi-Fi 6E MT7922 – soldered |
| Battery | 75 Wh (internal) |
| AC Adapter | 90W USB-C (Asus) |
Procurement & Reseller Recommendations
CPURyzen AI 9 HX 370 – excellent performance
RAM24GB soldered – no upgrade
GPURadeon 890M – strong iGPU
DisplayOLED 60Hz – vivid but reflective
Battery16.5h – outstanding
Value~$1,200 – great performance/price
Key Selling Points vs. Competitors
Strengths
- True-color, responsive & contrast-rich panel
- Great battery life
- Good input devices
- Powerful processor
- Compact & lightweight
- Sleek design
- Speedy iGPU
- USB 4
Weaknesses
- Surface temperatures under load
- Case could do with being more stable
- RAM & wireless module soldered on
- Display is very reflective
- Slow card reader
- Only one M.2 slot
Pro tip for resellers & repair professionals:
• Highlight the battery life and OLED display – key selling points for portable users.
• Ryzen AI 9 HX 370 performance – beats Intel competition.
• RAM and Wi-Fi are soldered – set expectations clearly.
• OLED display is reflective and has PWM – important for sensitive users.
• Great for on-the-go productivity – excellent battery and performance.
• Highlight the battery life and OLED display – key selling points for portable users.
• Ryzen AI 9 HX 370 performance – beats Intel competition.
• RAM and Wi-Fi are soldered – set expectations clearly.
• OLED display is reflective and has PWM – important for sensitive users.
• Great for on-the-go productivity – excellent battery and performance.