Kestrix LX-4257 Pro 16" Ultrabook Laptop
Laptops · Kestrix · SKU LX4257-PRO · Released 2023 · Updated 2026-10-20
Key facts
| Benchmark index | 28,109 (Laptops scale) |
|---|---|
| Category rank | #2,149 |
| Street price | $3,999 |
| Power | 65 W (charger) |
| Performance per dollar | 7.03 |
| Released | 2023 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-4257 Pro |
| Class | Ultrabook |
| Processor | 16-core mobile CPU, up to 5.4 GHz |
| Graphics | Integrated graphics |
| NPU | None |
| Memory | 64 GB LPDDR5X-7500 (soldered) |
| Storage | 2 TB PCIe 4.0 NVMe (M.2 2230) |
| Display | 16" 3200×2000 120 Hz OLED |
| Battery | 50 Wh |
| Weight | 1.63 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 6E + Bluetooth 5.3 |
| Charger | 65 W USB-C PD |
Related guides
DDR5 Memory ExplainedWi-Fi 6E ExplainedUSB4 ExplainedOLED Monitors ExplainedNPUs and AI PCsThunderbolt 5 Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-4257 Pro 16" Ultrabook Laptop”, https://vextor7.com/item/20171805 (accessed 2026-10-20).