Casper's Excalibur gaming lineup targets three distinct audiences with three laptops: the flagship G920, the slim and stylish G915, and the value-focused G870. All three pair Intel processors with NVIDIA graphics — from the RTX 3050 and RTX 4050 up to the new RTX 50 series — making them serious contenders for both gaming and creative work.
Gaming performance
All three models promise competitive frame rates thanks to NVIDIA's latest RTX 50 GPUs and DLSS. The flagship G920 offers graphics options up to the RTX 5090 and a 300 Hz refresh rate, delivering high FPS in esports titles. A MUX Switch routes graphics directly to the discrete GPU for extra performance.
The more affordable G915 and G870 don't lag far behind: with options up to the RTX 5070 and DLSS 4.5 support, their 165 Hz panels keep AAA titles smooth at high settings.
Prices and who each model is for
The lineup spans 52.000 TL to 209.000 TL (prices in Turkey). The G870 is the most accessible entry, starting at 52.091 TL. The G915 balances portability and gaming power from 76.195 TL. At the top, the G920 starts at 209.677 TL and packs desktop-class hardware into a laptop chassis.
| Model | Starting Price | Key Features |
|---|---|---|
| Excalibur G920 | 209.677 TL | RTX 5090 support and 14th Gen Intel Core i9-14900HX processor. |
| Excalibur G915 | 76.195 TL | Balanced mobile power with 2.3 kg weight and RTX 5070 option. |
| Excalibur G870 | 52.091 TL | Accessible price with RTX 50 experience and a 10-core processor. |
Cooling: FrostFlux technology
The series' thermal design is built on a cooling platform called FrostFlux. The G920 stays cool with 4 air vents and 2 FrostFlux fans while keeping fan noise below 52 dB. In the slim G915, a copper alloy, 5 heat pipes and 102 fan blades dissipate heat quickly. The G870 uses a twin-fan setup with 89 fan blades running at 5400 RPM.
RAM, SSD and processors
The models combine Intel's 13th and 14th Gen and Series 2/3 processors with RTX 3050, RTX 4050 and RTX 50 series GPUs. The G920 sits at the top of the range with the Core i9-14900HX and RTX 5090 option. All three use DDR4/DDR5 memory, and dual-slot support allows RAM upgrades up to 64 GB. Two M.2 NVMe SSD slots make it easy to expand storage later.
Chassis and portability
The G915 is the most portable member at 2.3 kg and 20.5 mm thick, with an aluminum body. The 2.5 kg G870 also uses an aluminum chassis. The G920 opts for a thermoplastic alloy body that resists impacts. All three feature a customizable RGB keyboard.
Who are they not for?
These machines are built for demanding work: modern games, graphic design, video editing and 3D modeling. If you only need a laptop for office tasks, browsing or streaming shows, the hardware may be overkill. And because powerful components draw a lot of energy, even the G915 may not suit anyone looking for an ultrabook that runs all day away from a power outlet.
FAQ
What is the G920's screen refresh rate?
The G920 offers a 300 Hz refresh rate with a 3 ms response time.
Which is the lightest model in the series?
The G915, at 2.3 kg and 20.5 mm thin, is the lightest and slimmest model.
Can storage be expanded on the G870?
Yes — the motherboard has 2 M.2 NVMe slots, so you can add another SSD to expand storage.
What does the MUX Switch do?
It disables the integrated graphics during gameplay and connects the system directly to the discrete NVIDIA GPU, raising FPS.
What are the G915 and G870 chassis made of?
Both use a durable aluminum alloy chassis, which helps with both looks and heat dissipation.
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