Kestrix LX-5639 Ultra 17.3" Gaming Laptop (6GB GDDR6)
Laptops · Kestrix · SKU LX5639-ULTRA · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 15,133 (Laptops scale) |
|---|---|
| Category rank | #13,969 |
| Street price | $1,349 |
| Power | 280 W (charger) |
| Performance per dollar | 11.22 |
| Released | 2019 |
Specifications
| Brand | Kestrix |
|---|---|
| Model | Kestrix LX-5639 Ultra |
| Class | Gaming |
| Processor | 8-core mobile CPU, up to 5.0 GHz |
| Graphics | Discrete, 6GB GDDR6, 100 W |
| NPU | None |
| Memory | 32 GB LPDDR4X-4266 (soldered) |
| Storage | 1 TB PCIe 3.0 NVMe (M.2 2280) |
| Display | 17.3" 2560×1440 240 Hz IPS |
| Battery | 80 Wh |
| Weight | 2.65 kg |
| Ports | 1× USB-C 10Gbps, 2× USB-A 5Gbps, HDMI 2.0 |
| Wireless | Wi-Fi 6 + Bluetooth 5.1 |
| Charger | 280 W barrel |
Related guides
NPUs and AI PCsThunderbolt 5 ExplainedUSB4 ExplainedWi-Fi 7 (802.11be) ExplainedGDDR7 Memory Explained
Similar Laptops
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Kestrix LX-9900 XT 16" Gaming Laptop (8GB GDDR7) | 6,116 | $509 | Compare |
| Nexora LX-9396 SE 14" 2-in-1 Laptop | 6,527 | $499 | Compare |
| Nexora LX-1675 Plus 14" Business Laptop | 18,141 | $1,949 | Compare |
| Halcyra LX-6925 Ti 14" Ultrabook Laptop | 26,574 | $3,489 | Compare |
| Halcyra LX-4255 SE 17.3" Creator Laptop (16GB GDDR6) | 28,400 | $3,999 | Compare |
| Quorvex LX-2756 XT 14" Business Laptop | 15,557 | $1,399 | Compare |
Cite this page: Hardware Spec Index, “Kestrix LX-5639 Ultra 17.3" Gaming Laptop (6GB GDDR6)”, https://vextor7.com/item/598486 (accessed 2026-10-19).