Can resolution output to external monitor be greater than native laptop display?

Can resolution output to external monitor be greater than native laptop display?

I'm thinking of getting the Lenovo the Yoga 920 with the FHD (1920x1080).

If I connect it to an external monitor, can I output 4k video?    They offer a 4k version but I don't want to get that because of reduced battery runtimes.

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JohnBusiness Consultant (Owner)Commented:
Yes. The monitor setting is a function of the monitor attached. We have clients with small computer and big displays and it works just fine.

I have not tried 4k displays, but that too should work.
Tom CieslikIT EngineerCommented:
I think if laptop is designed to work with Full HD build in monitor it mean it can support highest resolution for outside.

It is possible only in One model.
There’s a version that features an Intel Core i7-855OU processor, 16GB RAM, up to 1TB of storage and a UHD (3840 x 2160) screen. This model is only available in the US and Australia, and costs $1,999.99 / AU$1,999.

But only this version is supporting UHD on Thunderbolt port.

Special version has this specs:

CPU: 1.8GHz Intel Core i7-855OU (dual-core, 4MB cache, up to 4GHz)
Graphics: Intel UHD Graphics 620
Screen: 13.9-inch FHD (1920 x 1080)
Storage: 512GB PCIe SSD
Ports: 1 x USB 3.0, 2 x USB-C (Thunderbolt 3), headset jack
Connectivity: 802.11ac (2.4 & 5GHz); Bluetooth 4.1
Camera: 720p
Weight: 3 pounds (1.37kg)
Size: 12.7 x 8.8 x 0.5 inches  (323 x 223.5 x 13.95mm)
(W x D x H)
JohnBusiness Consultant (Owner)Commented:
It depends on the machine. We have small Lenovo machines in a dock with big monitors and the monitor resolution is higher than the low resolution laptop.

I do agree that not every machine can do this.
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Joe Winograd, Fellow&MVEDeveloperCommented:
Hi Mike,

> Can resolution output to external monitor be greater than native laptop display?

Maybe yes, maybe no — it depends on the graphics card in the laptop. For example, here's an EE article about external monitors on one of my HP laptops:
Dual External Monitors on the HP EliteBook 2540p

The laptop display has a maximum resolution of only 1280x800, but it can drive an external display up to 1920x1200. I have another model HP laptop that has 1600x900 on the built-in display, but can drive up to two external monitors without a docking station and up to three with a docking station, in all cases at 1920x1200. I have yet another laptop whose built-in display is 1920x1080, but it can drive an external display at 2560x1400.

So, the answer is that you have to look at the specs of the particular laptop — and the specs of compatible docking stations, too, if that interests you. I found these docs that may be helpful for your particular Lenovo Yoga, but in a quick review, the answer is not obvious:

You may need to dig more deeply and find other documentation. Also, this Lenovo forum thread on the subject is very interesting:

Regards, Joe

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mike2401Author Commented:
Joe Winograd, Fellow&MVEDeveloperCommented:
You're welcome!
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