CUK Model Z (i7 9750H, RTX 2070 Max-Q) Tongfang GK5CQ7Z Laptop Review


We stress the laptop with synthetic loads to identify for any potential throttling or stability issues. When running Prime95 on “Turbo” or “Gaming” mode, the CPU can boost up to 4 GHz for the first 30 seconds or so before hitting a core temperature of 87 C. Thereafter, clock rates drop and stabilize at 3.5 GHz in order to maintain a cooler core temperature of 80 C. Running both Prime95 and FurMark simultaneously will bump CPU and GPU core temperatures to 94 C and 78 C, respectively.

Running Witcher 3 is more representative of real-world gaming loads. The CPU and GPU stabilize at 71 C and 70 C, respectively, which are impressive numbers given the thin profile and performance under the hood. The Core i7-8750H CPU and RTX 2070 Max-Q GPU in the Lenovo Legion Y740-15ICH run slightly warmer at 76 C and 72 C, respectively, while the Razer Blade 15 can reach 80 C when subjected to the same conditions.

Running on battery power will impact performance significantly. A Fire Strike run on batteries returns Physics and Graphics scores of 9450 and 1729 points, respectively, compared to 16960 and 16460 points when on mains.

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