Review Asus ExpertBook B1 BM1503CDA
Asus ExpertBook B1 BM1503CDA · Ryzen 5 7535U · Radeon 660M
AMD Ryzen 5 7535U · AMD Radeon 660M · 16GB DDR5-4800 (2× SO-DIMM) · 512GB SSD (WD SN5000S) · 15.6″ 1920×1080 IPS 60Hz · 1.701 kg
Low heat development – good maintenance (2× RAM, 2× M.2),
three performance modes, matte IPS without PWM,
webcam with privacy shutter, fingerprint scanner,
NVMe SSD, acceptable price, 3-year warranty.
Plastic case feels cheap, low color space coverage,
weak iGPU, simple webcam, weak speakers.
Display only covers ~63% sRGB – not for photo editing
Display – 15.6″ FHD IPS · 60 Hz · 62.8% sRGB · no PWM
Panel: CMN1565 – 15.6″ 1920×1080, IPS, matte, 60 Hz.
| Specification | Value |
|---|---|
| Brightness (centre) | ~281 cd/m² |
| Brightness (average) | ~261 cd/m² |
| sRGB coverage | 62.8% |
| Display P3 coverage | 42.2% |
| AdobeRGB coverage | 43.7% |
| Response time (B/W) | 21 ms |
| Response time (grey) | 33 ms |
| PWM | Not detected |
| Finish | Matte (anti-glare) |
- Matte IPS panel – good for office use
- No PWM flickering – eye-friendly
- Low colour space coverage (~63% sRGB)
- Poor colour accuracy – not for photo editing
- Low brightness (~261 cd/m²) – indoor use only
Panel FRU: CMN1565 (15.6″ FHD IPS, 60Hz, matte)
Processor – AMD Ryzen 5 7535U · 6c/12t · Zen 3+ (Rembrandt R)
- Model: AMD Ryzen 5 7535U – 6× Zen 3+ cores
- Boost: 4.6 GHz
- TDP: 30 W PL2 / 15 W PL1 (sustained)
- Cinebench R23 Multi: ~7,769 pts
- Frugal SoC – decent battery life
- Limited by low TDP – not full potential
CPU FRU: AMD Ryzen 5 7535U (Rembrandt R, soldered BGA)
Graphics – AMD Radeon 660M · iGPU · below average performance
- Model: AMD Radeon 660M (RDNA 2)
- 3DMark Time Spy: ~1,430 pts
- Weak iGPU – only for simple tasks or old games
| Benchmark | Score |
|---|---|
| 3DMark Time Spy | 1,430 |
| 3DMark Fire Strike | 3,677 |
| 3DMark 11 Performance | 6,498 |
| Cyberpunk 2077 (1080p Ultra) | ~9.2 fps |
Weak iGPU – not suitable for gaming or GPU-intensive tasks
GPU FRU: AMD Radeon 660M (integrated, soldered)
Memory – 16GB DDR5-4800 · 2× SO-DIMM · upgradeable
- Capacity: 16 GB DDR5-4800 (2× 8 GB SO-DIMM)
- 2× SO-DIMM slots – upgradeable to 64 GB
RAM FRU: DDR5-4800 SO-DIMM (2× 8GB) – upgradeable
Storage – 512GB WD SN5000S · PCIe 4.0 · 2× M.2 slots
- Drive: Western Digital PC SN5000S SDEQNSJ-512G – 512 GB, PCIe 4.0
- Seq. read: ~3,811 MB/s
- Seq. write: ~3,297 MB/s
- 2× M.2 slots – one M.2 2280 (in use), one M.2 2230 (empty)
SSD FRU: Western Digital PC SN5000S SDEQNSJ-512G (512 GB, M.2 2280, PCIe 4.0)
Battery – ~10 hours · 50 Wh
- Capacity: 50 Wh
- WiFi surfing (150 nits): ~10 hours
- WiFi surfing (max brightness): ~7.5 hours
- Decent battery life for a budget business laptop
Battery FRU: 50 Wh (internal) – replaceable
AC Adapter FRU: 65W USB-C (Asus)
Chassis & Connectivity – Plastic build · no USB 4 · Wi-Fi 6 · fingerprint scanner
- Materials: Plastic – fingerprint magnet, feels cheap
- Weight: 1.701 kg (3.75 lbs)
- Dimensions: 359.5 × 232.2 × 19.9 mm
- Ports: USB-C, USB-A, HDMI, RJ45, 3.5mm audio
- No USB 4 / Thunderbolt
- Wi-Fi 6 (Realtek RTL8852BE)
- Fingerprint scanner & webcam privacy shutter
WLAN FRU: Realtek RTL8852BE – M.2 2230, replaceable
Serviceability – RAM upgradeable · 2× M.2 · battery replaceable
| Component | Replaceable? | Notes |
|---|---|---|
| SSD | ✅ Yes | 2× M.2 slots (2280 + 2230) – replaceable |
| RAM | ✅ Yes | 2× SO-DIMM slots – upgradeable to 64 GB |
| Wi-Fi | ✅ Yes | M.2 2230 – replaceable |
| Battery | ⚠️ Limited | 50 Wh – replaceable |
| CPU/GPU | ❌ No | Soldered BGA |
RAM, SSD, and Wi-Fi are all replaceable – great for upgradability.
Components FRU / Model Numbers
| Component | FRU / Model |
|---|---|
| CPU | AMD Ryzen 5 7535U (Rembrandt R, soldered) |
| GPU | AMD Radeon 660M (integrated, soldered) |
| RAM | DDR5-4800 SO-DIMM (2× 8GB) – upgradeable |
| SSD | Western Digital PC SN5000S SDEQNSJ-512G (512 GB, M.2 2280, PCIe 4.0) |
| Display Panel | CMN1565 (15.6″ FHD IPS, 60Hz, matte) |
| WLAN | Realtek RTL8852BE – M.2 2230 |
| Battery | 50 Wh (internal) |
| AC Adapter | 65W USB-C (Asus) |
Procurement & Reseller Recommendations
CPURyzen 5 7535U – frugal and efficient
RAMUpgradeable – 2× SO-DIMM slots
GPURadeon 660M – weak iGPU
Display~63% sRGB – not for photo editing
FansQuiet – max 35.5 dB(A)
Value~$750 – solid business laptop
Key Selling Points vs. Competitors
Strengths
- Low heat development
- Good maintenance options (2× RAM, 2× M.2)
- Three performance modes (Whisper, Standard, Performance)
- Matte IPS panel without PWM
- Webcam with privacy shutter
- Lots of security features via MyAsus
- Fingerprint scanner
- NVMe SSD
- Acceptable price + 3-year warranty
Weaknesses
- Plastic case feels cheap
- Low color space coverage (~63% sRGB)
- Display illumination isn't homogenous
- Weak iGPU
- Simple webcam with low detail
- Weak speakers
Pro tip for resellers & repair professionals:
• Highlight the upgradeable RAM/SSD and 3-year warranty – key selling points.
• Display only covers ~63% sRGB – not suitable for photo editing.
• Weak iGPU – only for office and basic multimedia tasks.
• Quiet fans and low heat – great for office environments.
• Two M.2 slots – excellent for storage expansion.
• Highlight the upgradeable RAM/SSD and 3-year warranty – key selling points.
• Display only covers ~63% sRGB – not suitable for photo editing.
• Weak iGPU – only for office and basic multimedia tasks.
• Quiet fans and low heat – great for office environments.
• Two M.2 slots – excellent for storage expansion.