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Lenovo ThinkBook 14p G2: 14" 2.8K OLED, Ryzen 7 5800H, 16GB DDR4, 1TB PCIe SSD, Win10 Pro @ $962.45 + F/S
$962.45
LINK: https://www.lenovo.com/us/en/p/la...20yn0024us
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SPEC:
- Windows 10 Pro 64 Bit
- 14" 2880x1800 16:10 90Hz OLED 400 nits Display, Dolby Vision, HDR500
- Ryzen 7 5800H 8C/16T 3.2 GHz (4.4 GHz Boost, 20MB Cache)
- 16GB DDR4 3200 MHz Ram (Soldered)
- 1TB M.2 PCIe NVMe SSD
- 1080p Webcam /w Privacy Shutter
- Backlit Keyboard
- Fingerprint Reader
- 2 x 2W Harman Kardon® stereo speakers
- Wi-Fi 6 2x2 + Bluetooth 5.2
- PORTS:
- 2 x USB-C 3.2 Gen 2 (PD + DP)
- 2 x USB-A 3.2 Gen 2 (one always on)
- 1 x HDMI 2.0b
- 1 x MicroSD card reader
- 1x Headphone / mic combo
- 4 Cell 61 WHr Battery
- 3.08 lbs
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Our community has rated this post as helpful. If you agree, why not thank coolcoder
You may not notice PWM right away as you will be too busy enjoying that drop dead gorgeous display, but I started experiencing eye strain after using it for a few days. Did some research and found out about OLED PWM flicker. I experienced eye strain even though I use phones with OLED panels, which was surprising and disappointing.
Our community has rated this post as helpful. If you agree, why not thank coolcoder
Take a look at this slow motion video of my 14p (took with my Note 10+). This was at a relatively high brightness. It's a lot worse at lower brightness levels. The screen behind is my 32" curved VA display with no PWM.
https://imgur.com/a/UopowfI
The main issue with this model is that the PWM starts below 50% brightness and the frequency is a bit low which can cause headache to people sensitive to it.
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The main issue with this model is that the PWM starts below 50% brightness and the frequency is a bit low which can cause headache to people sensitive to it.
There is PWM even at 100% brightness. The panel supports more than 400nits, and they use PWM to get it to 400nits. I viewed it in slow motion mode on my Note 10+ at 100% brightness and could still see flicker. It is not as bad at lower brightness levels, but the PWM doesn't end at 50%. That is wrong information I have seen on some sites. I owned this laptop, so have first hand information. This is most likely a 500nit peak brightness display (for HDR500 support), and even at 400nit max brightness for regular use, they use PWM.
You may not notice PWM right away as you will be too busy enjoying that drop dead gorgeous display, but I started experiencing eye strain after using it for a few days. Did some research and found out about OLED PWM flicker. I experienced eye strain even though I use phones with OLED panels, which was surprising and disappointing.
I got one two, but had to return it because the screen had lines in it… so new they had none to replace it with. 🤦 ♂️
Ended up with the 14p Gen 2 with 2.2k IPS instead and feel better. The OLED was gorgeous, but man I was scared of burn in. People say not to worry, but I didn't want to chance it especially with all the static stuff in windows, office and games. Prob shouldn't have to worry anymore, but I'm happy.
Got the 5800H now…Miss having the 5900… for reasons 😅
Currently the only 2880x1800 14" 90Hz OLED Panel is from Samsung and the model is Samsung SDC4154. The main issue with this panel compared t 15.6" 4K Panels are the lower PWM frequency which is 300-360 Hz and gets triggered below 50% brightness. Asus VivoBook Pro 14/14x use the same Panel there are multiple reviews available for that. It is highly unlikely that all the review channels like NotebookCheck, UltraBookReview did make that measuring mistake.
The 960fps video of my 14p I shot was taken at 60 or 70% brightness. Looks a lot like PWM. Here is the video again: https://imgur.com/a/UopowfI
That definitely doesn't look like DC dimming like the monitor behind it. Whatever it was, it was very noticeable next to a non OLED display (desktop monitor and another laptop I have), and it was leading to eye fatigue over extended periods of use. I was so bummed about it too. It was such an incredible laptop in every way, but I just couldn't keep something that could cause eye strain if I stared at it for hours every day. Very very disappointing as I absolutely love OLED displays on phones.
That definitely doesn't look like DC dimming like the monitor behind it. Whatever it was, it was very noticeable next to a non OLED display (desktop monitor and another laptop I have), and it was leading to eye fatigue over extended periods of use. I was so bummed about it too. It was such an incredible laptop in every way, but I just couldn't keep something that could cause eye strain if I stared at it for hours every day. Very very disappointing as I absolutely love OLED displays on phones.
No, I didn't. Unfortunately, the laptop is long gone. I returned it on the last day of the 30 day return window about a month ago.
Keep in mind that the video is almost 1000fps slowed down to 60fps / 720p. It was definitely not flickering like that in real time.