Kestrix LX-3921 Prime 16" Ultrabook Laptop
Laptops · Kestrix · SKU LX3921-PRIME · Released 2024 · Updated 2026-10-19
Key facts
| Benchmark index | 22,284 (Laptops scale) |
|---|---|
| Category rank | #11,437 |
| Street price | $2,639 |
| Power | 100 W (charger) |
| Performance per dollar | 8.44 |
| Released | 2024 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-3921 Prime |
| Class | Ultrabook |
| Processor | 12-core mobile CPU, up to 5.2 GHz |
| Graphics | Integrated graphics |
| NPU | 50 TOPS |
| Memory | 32 GB LPDDR5X-7500 (soldered) |
| Storage | 1 TB PCIe 4.0 NVMe (M.2 2230) |
| Display | 16" 3200×2000 120 Hz OLED |
| Battery | 65 Wh |
| Weight | 1.48 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 PCsOLED Monitors ExplainedThunderbolt 5 Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-3921 Prime 16" Ultrabook Laptop”, https://vextor7.com/item/14517841 (accessed 2026-10-19).