💻 ThinkPad X9 15 Aura vs Zenbook S 16: UK Business Laptop Battle
AI-powered analysis across 21 matched specifications
Performance Overview
Scores based on quantifiable specification values (1-10 scale)
Detailed Specifications
| Specification | ThinkPad X9-15p Aura Edition Lenovo | Zenbook S 16 (UM5606) ASUS |
|---|---|---|
| Performance | ||
| Processor | Intel Core Ultra X7 358H — 16 cores (4 P + 8 E + 4 LP-E), 16 threads, up to 4.8 GHz, 18 MB Intel Smart Cache (Series 3) | AMD Ryzen AI 9 HX 370 (12 cores / 24 threads, up to 5.1 GHz) or Ryzen AI 9 HX 470; XDNA NPU up to 50 TOPS |
| CPU cores | 16 cores (4 P + 8 E + 4 LP-E), 16 threads | 12 cores / 24 threads |
| Graphics | Intel Arc B390 GPU (integrated), DirectX 12 Ultimate | AMD Radeon 890M integrated (RDNA 3.5) |
| Discrete GPU | Integrated only | Integrated AMD Radeon 890M (RDNA 3.5) only — no discrete GPU |
| Memory & storage | ||
| Maximum memory | ✓32 GB LPDDR5X-9600 (soldered, dual-channel, not upgradeable; 64 GB order option) | Up to 32 GB LPDDR5X (soldered) — 24 / 32 GB options |
| Memory type | LPDDR5X-9600 soldered, dual-channel | LPDDR5X (soldered) |
| Maximum storage | 1 TB M.2 2280 PCIe Gen5 (5.0 x4) NVMe SSD, Opal 2.0 (up to 2 TB) | Up to 1 TB M.2 NVMe PCIe 4.0 SSD |
| Display | ||
| Display size | 15.3″ | 16.0" |
| Resolution | 2880×1800 (2.8K WQXGA+) | 2880 x 1800 |
| Brightness | 1,100 nits peak / 500 nits SDR | ✓up to 1100 nits HDR peak |
| Panel | 2.8K WQXGA+ OLED non-touch, 30–120 Hz VRR, Dolby Vision, DisplayHDR True Black 1000, X-Rite / Pantone validated | 16.0" 3K (2880 x 1800) OLED, 16:10, 120 Hz, 100% DCI-P3, up to 1100 nits HDR peak, Pantone Validated, 0.2 ms; touch optional |
| Touchscreen | OLED non-touch | touch optional |
| Connectivity | ||
| Thunderbolt / USB4 ports | ✓3× Thunderbolt 4 (USB-C, PD 15–100 W, DP 2.1) | 2x USB4 Gen 3 (40 Gbps, DP/PD) |
| Ports | 3× Thunderbolt 4 (USB-C, PD 15–100 W, DP 2.1), 1× USB-A 10 Gbps (Always On), HDMI 2.1 (4K/60), SD card reader, 3.5 mm combo | 2x USB4 Gen 3 (40 Gbps, DP/PD), 1x USB-A 3.2 Gen 2, HDMI 2.1, 3.5 mm combo |
| Physical | ||
| Weight (from) | From 1.5 kg (3.31 lb) | From 1.5 kg |
| Dimensions | 339.5 × 228.5 × 17.9 mm (max) | 353.6 x 243.0 x 11.9-12.9 mm |
| Security & management | ||
| Intel vPro | Intel vPro Enterprise option | -- |
| Copilot+ PC (40+ TOPS NPU) | Copilot+ PC — NPU up to 50 TOPS | Copilot+ class — Ryzen AI 9 HX 370 XDNA NPU up to 50 TOPS |
| Battery | ||
| Battery capacity | ✓88 Wh Li-ion; Rapid Charge to 80% in 1 hr | 78 Wh, 4-cell; fast charge (~50% in 30 min), USB-C adapter |
| Support | ||
| Operating system | Windows 11 Pro (Ubuntu / Windows 11 Home available) | Windows 11 Pro or Windows 11 Home |
| Base warranty | Lenovo base warranty; Premier Support uplifts quoted per configuration | 1-year commercial warranty; multi-year and on-site uplift available via the ASUS channel |
Expert Analysis
The Lenovo ThinkPad X9 15 Aura is the more compelling business laptop, offering expandable memory up to 64 GB, faster PCIe Gen5 storage with a 2 TB ceiling, a larger 88 Wh battery, and three Thunderbolt 4 ports—all underpinned by Intel vPro management capabilities. While the ASUS Zenbook S 16 counters with a slightly brighter 16-inch OLED display and an optional touchscreen, its soldered 32 GB RAM limit, smaller 78 Wh battery, and absence of vPro restrict enterprise suitability. Both devices harness Copilot+ AI engines, but the ThinkPad’s superior battery life, comprehensive port selection (including HDMI 2.1 and USB-A), and higher storage headroom make it the more versatile tool for demanding workloads. For UK organisations that require robust security, easy manageability, and all-day endurance, the Lenovo is the definitive choice. The ASUS remains a strong option for creative professionals who prioritise a best-in-class display and touch functionality over raw expansion and enterprise features.
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