Kestrix LX-3603 Ultra 18" Gaming Laptop (16GB GDDR6)
Laptops · Kestrix · SKU LX3603-ULTRA · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 23,070 (Laptops scale) |
|---|---|
| Category rank | #33,542 |
| Street price | $3,029 |
| Power | 330 W (charger) |
| Performance per dollar | 7.62 |
| Released | 2023 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-3603 Ultra |
| Class | Gaming |
| Processor | 16-core mobile CPU, up to 5.2 GHz |
| Graphics | Discrete, 16GB GDDR6, 175 W |
| NPU | None |
| Memory | 32 GB LPDDR5X-7500 (soldered) |
| Storage | 1 TB PCIe 4.0 NVMe (M.2 2280) |
| Display | 18" 3840×2400 120 Hz Mini-LED |
| Battery | 80 Wh |
| Weight | 3.03 kg |
| Ports | 2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1 |
| Wireless | Wi-Fi 6E + Bluetooth 5.3 |
| Charger | 330 W barrel |
Related guides
DDR5 Memory ExplainedWi-Fi 6E ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedWi-Fi 7 (802.11be) Explained
Similar Laptops
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Kestrix LX-5166 Core 16" Gaming Laptop (12GB GDDR6) | 15,892 | $1,419 | Compare |
| Quorvex LX-9579 Plus 15.6" Gaming Laptop (16GB GDDR6) | 25,378 | $3,139 | Compare |
| Quorvex LX-1241 Ti 14" Business Laptop | 26,618 | $3,999 | Compare |
| Kestrix LX-8982 Plus 14" 2-in-1 Laptop | 21,918 | $2,369 | Compare |
| Quorvex LX-1367 Prime 13.3" Ultrabook Laptop | 6,613 | $499 | Compare |
| Halcyra LX-4720 Core 16" Gaming Laptop (16GB GDDR7) | 13,157 | $1,079 | Compare |
Cite this page: Hardware Spec Index, “Kestrix LX-3603 Ultra 18" Gaming Laptop (16GB GDDR6)”, https://vextor7.com/item/6974570 (accessed 2026-10-19).