Kestrix LX-3891 Ultra 15.6" Gaming Laptop (6GB GDDR6)
Laptops · Kestrix · SKU LX3891-ULTRA · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 6,862 (Laptops scale) |
|---|---|
| Category rank | #3,571 |
| Street price | $499 |
| Power | 180 W (charger) |
| Performance per dollar | 13.75 |
| Released | 2021 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-3891 Ultra |
| Class | Gaming |
| Processor | 8-core mobile CPU, up to 4.7 GHz |
| Graphics | Discrete, 6GB GDDR6, 100 W |
| NPU | None |
| Memory | 16 GB DDR4-3200 SO-DIMM (2 slots, upgradable) |
| Storage | 1 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 15.6" 1920×1080 144 Hz IPS |
| Battery | 99 Wh |
| Weight | 2.18 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 6E + Bluetooth 5.3 |
| Charger | 180 W barrel |
Related guides
Wi-Fi 6E ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedWi-Fi 7 (802.11be) ExplainedGDDR7 Memory Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-3891 Ultra 15.6" Gaming Laptop (6GB GDDR6)”, https://vextor7.com/item/1739620 (accessed 2026-10-23).