Kestrix LX-3821 Ultra 18" Gaming Laptop (12GB GDDR7)
Laptops · Kestrix · SKU LX3821-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 20,416 (Laptops scale) |
|---|---|
| Category rank | #22,571 |
| Street price | $2,379 |
| Power | 230 W (charger) |
| Performance per dollar | 8.58 |
| Released | 2025 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-3821 Ultra |
| Class | Gaming |
| Processor | 12-core mobile CPU, up to 5.2 GHz |
| Graphics | Discrete, 12GB GDDR7, 140 W |
| NPU | 13 TOPS |
| Memory | 32 GB LPDDR5X-8533 (soldered) |
| Storage | 4 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 18" 2560×1600 240 Hz Mini-LED |
| Battery | 90 Wh |
| Weight | 2.93 kg |
| Ports | 2× Thunderbolt 5 (80Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4 |
| Charger | 230 W barrel |
Related guides
DDR5 Memory ExplainedWi-Fi 7 (802.11be) ExplainedThunderbolt 5 ExplainedGDDR7 Memory ExplainedNPUs and AI PCsUSB4 Explained
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Cite this page: Hardware Spec Index, “Kestrix LX-3821 Ultra 18" Gaming Laptop (12GB GDDR7)”, https://vextor7.com/item/515557 (accessed 2026-10-19).