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日本Acer Aspire 5 (A514-56M) review – compact and light laptop with PWM-free display
Temperatures and comfort, Battery Life
Max CPU load
In this test we use 100% on the CPU cores, monitoring their frequencies and chip temperature. The first column shows a computer’s reaction to a short load (2-10 seconds), the second column simulates a serious task (between 15 and 30 seconds), and the third column is a good indicator of how good the laptop is for long loads such as video rendering.
Average P-core frequency; Average E-core frequency; CPU temp.; Package Power
| Intel Core i7-1355U (15W TDP) | 0:02 – 0:10 sec | 0:15 – 0:30 sec | 10:00 – 15:00 min |
|---|---|---|---|
| Acer Aspire 5 (A514-56M) | 3.82 GHz @ 2.82 GHz @ 64°C @ 55W | 2.18 GHz @ 2.26 GHz @ 65°C @ 37W | 1.43 GHz @ 1.98 GHz @ 60°C @ 28W |
| Dell Vostro 15 3530 | 2.06 GHz @ 2.70 GHz @ 94°C @ 40W | 1.56 GHz @ 2.22 GHz @ 96°C @ 26W | 2.06 GHz @ 2.25 GHz @ 95°C @ 26W |
| Lenovo Yoga Book 9 (13IRU8) | 2.23 GHz @ 2.58 GHz @ 76°C @ 40W | 2.13 GHz @ 2.42 GHz @ 85°C @ 35W | 1.64 GHz @ 2.03 GHz @ 77°C @ 24W |
| ASUS Zenbook S 13 OLED (UX5304) | 3.46 GHz @ 2.47 GHz @ 80°C @ 41W | 3.06 GHz @ 2.24 GHz @ 91°C @ 31W | 2.36 GHz @ 1.68 GHz @ 75°C @ 21W |
In light loads, the Core i7-1355U can maintain high P and E core clocks while in medium stress, the frequencies are expectedly lower but still good. In the long run, the E core clock is okay and the P cores are reaching 1.43 GHz which is on the low side. The processor temperatures are always low which is a bit of a pleasant surprise given the modest cooling system.
Comfort during combined load
The fan isn’t quiet in “Performance mode” but it’s not super noisy. The “Silent mode” offers much lower noise levels but even then, the fan is still audible during light tasks. When the CPU is pounded with 100% stress, the hotspot of the keyboard is located on its left side. The temperature there is fine for normal usage because this laptop has an air-inlet keyboard so the fan is sucking fresh air through the keyboard deck. This clever trick reduces the outside temperatures.
Battery
Now, we conduct the battery tests with the Windows Better performance setting turned on, screen brightness adjusted to 120 nits, and all other programs turned off except for the one we are testing the notebook with. This notebook has a 53Wh battery model. It lasts for 11 hours and 7 minutes of either Web browsing or video playback. The result is very good.
In order to simulate real-life conditions, we used our own script for automatic web browsing through over 70 websites.
For every test like this, we use the same video in HD.
