8/25/2023 0 Comments Spectre x360 15t gtx 1050 tiUnfortunately, the Spectre is unable to maintain steady performance yet again and frame rates suffer as a result. Running Witcher 3 is more representative of real-world gaming load. Running both Prime95 and FurMark simultaneously to stress the CPU and GPU results in steeper throttling and a core temperature in the low 70 C range for both processors. This is uncommon on most notebooks where core clock rates and temperatures usually fall to flat rates should throttling be necessary. The strange behavior mirrors our CineBench loop test above where scores are highest only on the first few runs before dropping and stabilizing in a sinusoidal behavior. Once this temperature threshold is reached, clock rates steadily fall to the 2.0 GHz to 2.7 GHz range - far below the base 3.1 GHz clock rate - with core temperature cycling between 67 C and 74 C. When running Prime95, the CPU can be observed operating as high as 3.6 GHz for the first few seconds until core temperature reaches 97 C. We stress the Spectre with synthetic benchmarks to test performance sustainability and it is here where the system begins to crumble. See our dedicated CPU page on the Core i7-8705G for more technical information and benchmark comparisons. The results are disappointing because the i7-8550U Spectre SKU does not suffer from as sharp of a performance drop even though Kaby Lake-R CPU is generally slower than the i7-8705G. Scores cycle from about 600 to 650 points thereafter, but they never quite return to the initial peak at the start of the test. Our graph below reveals a steady decline in performance from the initial score of 732 points to a low of only 593 points by the 10th loop to represent a drop of 19 percent. By running CineBench R15 Multi-Thread in a loop, we can observe how the CPU can perform over time when exposed to non-stop stress. Unfortunately, performance sustainability is quite poor. Meanwhile, the less expensive Spectre SKU with the i7-8550U is 26 percent slower than our Kaby Lake-G configuration. It's worth mentioning that overall performance is just a few percentage points higher than the i5-8305G while the 100 W i7-8809G is faster by about 22 percent in multi-threaded workloads. The i7-7700HQ was a very popular CPU on gaming laptops before the introduction of Coffee Lake-H and so it's impressive to see the Spectre x360 15 offer a similar level of CPU performance in a much more portable form factor. The 65 W Core i7-8705G stands neck-to-neck with the 45 W Core i7-7700HQ in both single- and multi-threaded benchmarks. We still recommend an end-user calibration for the best possible grayscale and colors. Interestingly, the display on our Kaby Lake-G SKU is better calibrated out-of-the-box than our Kaby Lake-R SKU. It's actually more acute than on our Kaby Lake-R unit, though thankfully not significant enough to be distracting or very noticeable during video playback. See our existing review on the Kaby Lake-R configuration for more information on the display.īacklight bleeding is present on the corners of our test unit as shown by the image below. This unfortunately means that PWM is still present and users sensitive to onscreen flickering may want to avoid this convertible altogether. Perhaps unsurprisingly, our Kaby Lake-G configuration utilizes the same BOE0730 4K UHD panel as on the Kaby Lake-R SKU and so contrast, response times, and colors are consequently very similar between them. The Spectre x360 15 Kaby Lake-G competes directly with the Dell convertible and other high-performance multimedia laptops to a lesser degree like the Asus Zenbook Pro 15, Apple MacBook Pro 15, and Gigabyte Aero 15.Ī glossy 4K UHD touchscreen comes standard on the Spectre xwith no other resolution options available. This review will instead focus on the performance of the Kaby Lake-G SKU and how it differs from the less expensive Kaby Lake-R configuration. We recommend checking out our existing review on the 2018 Kaby Lake-R version for more information on the Spectre x360 15 series. Other than the processor differences, the Kaby Lake-G SKU carries a nearly identical chassis with the same keyboard and touchscreen features as the Kaby Lake-R SKU. Users have the option of a Kaby Lake-R SKU with the same internal specifications as the 2017 model while the Kaby Lake-G SKU offers the rare Core i7-8705G CPU and discrete Radeon RX Vega M GL GPU. HP unveiled its latest refresh of the flagship Spectre x360 15 series at CES 2018 with not one, but two very distinct configurations.
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