Kestrix LX-4439 Edge 13.3" Ultrabook Laptop
Laptops · Kestrix · SKU LX4439-EDGE · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 8,206 (Laptops scale) |
|---|---|
| Category rank | #45,500 |
| Street price | $689 |
| Power | 100 W (charger) |
| Performance per dollar | 11.91 |
| Released | 2025 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4439 Edge |
| Class | Ultrabook |
| Processor | 8-core mobile CPU, up to 4.7 GHz |
| Graphics | Integrated graphics |
| NPU | 45 TOPS |
| Memory | 16 GB LPDDR5X-8533 (soldered) |
| Storage | 512 GB PCIe 4.0 NVMe (M.2 2230) |
| Display | 13.3" 1920×1200 60 Hz IPS |
| Battery | 65 Wh |
| Weight | 1.14 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4 |
| Charger | 100 W USB-C PD |
Related guides
DDR5 Memory ExplainedWi-Fi 7 (802.11be) ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedGDDR7 Memory Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-4439 Edge 13.3" Ultrabook Laptop”, https://vextor7.com/item/20031553 (accessed 2026-10-19).