Buying Guide
The Best 4K OLED Monitors
Six 4K OLED monitors at 26.5 to 32 inches, compared on refresh rate, HDR, ports and warranty, including one calibrated for colour work.
By The PC Journal editorial team
12 min read6 products evaluated
4K OLED monitors combine very sharp text with the contrast of self-lit pixels. They are also demanding: 4K at 240Hz needs a high-end graphics card, and static desktop elements carry some burn-in risk.
We compared listed specifications; we did not test these monitors.
Quick Picks
Our 6 recommendations at a glance. Tap a pick for the full verdict.
Best 27-Inch 4K OLED
GIGABYTE MO27U2
A 27-inch 4K QD-OLED at 240Hz.
Best for: Sharp OLED on a standard desk.
Our take Check price for GIGABYTE MO27U2 (opens in a new tab)
Best Warranty
ASUS ROG Swift PG32UCDM
A 3-year warranty that lists burn-in coverage.
Best for: Long-term ownership.
Our take Check price for ASUS ROG Swift PG32UCDM (opens in a new tab)
Best for Two Computers
MSI MPG 321URX QD-OLED
A built-in KVM with picture-in-picture.
Best for: Desks shared with a work laptop.
Our take Check price for MSI MPG 321URX QD-OLED (opens in a new tab)
Best for Bright Rooms
Samsung Odyssey OLED G8 G81SF 32-inch
A Glare Free coating listed as 54% less glossy.
Best for: Rooms with windows.
Our take Check price for Samsung Odyssey OLED G8 G81SF 32-inch (opens in a new tab)
Best Value 32-Inch
MSI MAG 321UP QD-OLED
A 165Hz QD-OLED with a 48Gbps HDMI 2.1 port.
Best for: Consoles and PCs.
Our take Check price for MSI MAG 321UP QD-OLED (opens in a new tab)
Best for Colour Work
ASUS ProArt PA279CDV
Calman Verified with Delta E below 1.5.
Best for: Photo and video editing.
Our take Check price for ASUS ProArt PA279CDV (opens in a new tab)
Our Picks
Best 27-Inch 4K OLED1 of 6
GIGABYTE MO27U2 on Amazon (opens in a new tab)
The MO27U2 uses a QD-OLED panel at 4K and 240Hz, the fastest here, with 99% DCI-P3.
Best for
- Sharp OLED on a standard desk.
Skip if
- Worth skipping when oLED burn-in risk with static desktop element is a problem.
Why we like it
It needs a top-end card to use it fully. On refresh rate it ties with the PG32UCDM, the MPG 321URX and the Odyssey G8 G81SF at 240Hz. Its 27 inches screen size ranks fifth of 6 here, behind the PG32UCDM (32 inches) and ahead of the PA279CDV (26.5 inches).
Like the MAG 321UP, it has a FreeSync Premium Pro, while the PG32UCDM uses a G-SYNC Compatible. Reaching 240Hz at 4K needs DisplayPort 1.4 with DSC or HDMI 2.1 on your graphics card, and a GPU able to render well above 100fps at 4K. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk. It cost the least of the 6 picks at the time of writing, with the MAG 321UP the next step up.
Key dimensions & specs
- Refresh rate: 240Hz
- Resolution: 3840x2160 (4K)
- Size: 27 inches
- Panel: QD-OLED
- Response: 0.03ms
- Color gamut: 99% DCI-P3
- Adaptive sync: FreeSync Premium Pro
Pros
- a 240Hz refresh rate for fast motion
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- 99% DCI-P3 colour coverage
Cons
- OLED burn-in risk with static desktop elements
- Screen size of 27 inches, behind the PG32UCDM (32 inches)
Best Warranty2 of 6
ASUS ROG Swift PG32UCDM on Amazon (opens in a new tab)
The ASUS ROG Swift PG32UCDM pairs a 32-inch 4K QD-OLED panel at 240Hz with a 3-year warranty that lists burn-in coverage.
Best for
- Long-term ownership.
Skip if
- Worth skipping when oLED burn-in risk with static desktop element is a problem.
Why we like it
It also carries 90W USB-C power delivery for a laptop. It matches the MO27U2, the MPG 321URX and the Odyssey G8 G81SF on refresh rate (240Hz). On screen size it ties with the Odyssey G8 G81SF and the MAG 321UP at 32 inches.
A G-SYNC Compatible is unique to it among these picks, while the MAG 321UP uses a FreeSync Premium Pro. Reaching 240Hz at 4K needs DisplayPort 1.4 with DSC or HDMI 2.1 on your graphics card, and a GPU able to render well above 100fps at 4K. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk.
G-SYNC Compatible works on NVIDIA cards over DisplayPort, and FreeSync covers AMD cards. Its price falls between the MPG 321URX and the Odyssey G8 G81SF, based on our last check.
Key dimensions & specs
- Refresh rate: 240Hz
- Resolution: 3840x2160 (4K)
- Size: 32 inches
- Panel: QD-OLED
- Response: 0.03ms
- HDR: DisplayHDR True Black 400
- Color gamut: 99% DCI-P3
- Adaptive sync: G-SYNC Compatible
- USB-C: Yes
- Warranty: 3-year
Pros
- a 240Hz refresh rate for fast motion
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- DisplayHDR True Black 400 certification
Cons
- OLED burn-in risk with static desktop elements
- Costs more than the MO27U2 at the time of writing
Best for Two Computers3 of 6
MSI MPG 321URX QD-OLED on Amazon (opens in a new tab)
MSI's MPG 321URX is a 31.5-inch 4K QD-OLED at 240Hz with a built-in KVM, so one keyboard and mouse can switch between a desktop and a laptop.
Best for
- Desks shared with a work laptop.
Skip if
- Skip it if this is a deal-breaker for you: oLED burn-in risk with static desktop elements.
Why we like it
USB-C input rounds out the ports. On refresh rate it ties with the MO27U2, the PG32UCDM and the Odyssey G8 G81SF at 240Hz. Its 31.5 inches screen size ranks fourth of 6 here, behind the PG32UCDM (32 inches) and ahead of the PA279CDV (26.5 inches).
You also get HDMI 2.1 and DisplayPort 1.4a inputs. Reaching 240Hz at 4K needs DisplayPort 1.4 with DSC or HDMI 2.1 on your graphics card, and a GPU able to render well above 100fps at 4K. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk. It was priced above the PA279CDV and below the PG32UCDM at the time of writing.
Key dimensions & specs
- Refresh rate: 240Hz
- Resolution: 3840x2160 (4K)
- Size: 31.5 inches
- Panel: QD-OLED
- Response: 0.03ms
- HDR: DisplayHDR True Black 400
- USB-C: Yes
Pros
- a 240Hz refresh rate for fast motion
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- DisplayHDR True Black 400 certification
Cons
- OLED burn-in risk with static desktop elements
- Costs more than the MO27U2 at the time of writing
Best for Bright Rooms4 of 6
Samsung Odyssey OLED G8 G81SF 32-inch on Amazon (opens in a new tab)
Samsung's G81SF puts a 240Hz QD-OLED panel at 4K into a 32-inch screen.
Best for
- Rooms with windows.
Skip if
- Choose another pick if you can't accept this: oLED burn-in risk with static desktop elements.
Why we like it
Its Glare Free coating cuts reflections that glossy OLEDs show in bright rooms, and it detects logos and taskbars to dim them. On refresh rate it ties with the MO27U2, the PG32UCDM and the MPG 321URX at 240Hz. It matches the PG32UCDM and the MAG 321UP on screen size (32 inches).
You also get a Glare Free coating Samsung lists as 54% less glossy than standard anti-reflection film and logo and taskbar detection to dim static elements. Reaching 240Hz at 4K needs DisplayPort 1.4 with DSC or HDMI 2.1 on your graphics card, and a GPU able to render well above 100fps at 4K. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk. G-SYNC Compatible works on NVIDIA cards over DisplayPort, and FreeSync covers AMD cards.
Key dimensions & specs
- Refresh rate: 240Hz
- Resolution: 3840x2160 (4K)
- Size: 32 inches
- Panel: QD-OLED
- Response: 0.03ms
- HDR: DisplayHDR True Black 400
- Adaptive sync: G-SYNC Compatible, FreeSync Premium Pro
Pros
- a 240Hz refresh rate for fast motion
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- DisplayHDR True Black 400 certification
Cons
- OLED burn-in risk with static desktop elements
- Costs more than the MO27U2 at the time of writing
Best Value 32-Inch5 of 6
MSI MAG 321UP QD-OLED on Amazon (opens in a new tab)
The MSI MAG 321UP is a 32-inch QD-OLED that stops at 165Hz, which keeps its price below the 240Hz models.
Best for
- Consoles and PCs.
Skip if
- Worth skipping when oLED burn-in risk with static desktop element is a problem.
Why we like it
Its HDMI 2.1 port carries full 48Gbps bandwidth for 4K at 165Hz from a console or PC. On refresh rate it sits mid-pack at 165Hz: the MO27U2 offers 240Hz, and the PA279CDV comes in at 120Hz. It matches the PG32UCDM and the Odyssey G8 G81SF on screen size (32 inches).
Like the MO27U2, it has a FreeSync Premium Pro, while the PG32UCDM uses a G-SYNC Compatible. Reaching 165Hz at 4K needs DisplayPort 1.4 with DSC or HDMI 2.1 on your graphics card, and a GPU able to render well above 100fps at 4K. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk. It was priced above the MO27U2 and below the PA279CDV at the time of writing.
Key dimensions & specs
- Refresh rate: 165Hz
- Resolution: 3840x2160 (4K)
- Size: 32 inches
- Panel: QD-OLED
- Response: 0.03ms
- Adaptive sync: FreeSync Premium Pro
Pros
- 165Hz for smoother motion than a 60Hz office screen
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- FreeSync Premium Pro to reduce screen tearing
Cons
- OLED burn-in risk with static desktop elements
- Costs more than the MO27U2 at the time of writing
Best for Colour Work6 of 6
ASUS ProArt PA279CDV on Amazon (opens in a new tab)
The ProArt PA279CDV moves the ProArt line to a 26.5-inch 4K QD-OLED panel at 120Hz, calibrated to Delta E below 1.5.
Best for
- Photo and video editing.
Skip if
- Pass on it if oLED burn-in risk with static desktop element rules it out for your setup.
Why we like it
It adds 96W USB-C and a KVM for two computers. On refresh rate it trails the group at 120Hz, while the MO27U2 offers 240Hz. Its 26.5 inches screen size is the smallest in this group; the PG32UCDM leads at 32 inches.
You also get Calman Verified with Delta E below 1.5 and 96W USB-C power delivery. At 4K, check that your graphics card and cable support 4K at the refresh rate you want before you buy. Leave the maker's pixel-refresh routines enabled and hide static taskbars to limit burn-in risk. It was priced above the MAG 321UP and below the MPG 321URX at the time of writing.
Key dimensions & specs
- Refresh rate: 120Hz
- Resolution: 3840x2160 (4K)
- Size: 26.5 inches
- Panel: QD-OLED
- Response: 0.1ms
- HDR: DisplayHDR True Black 400
- Color gamut: 99% DCI-P3
- Stand: tilt, swivel, pivot and height adjustment
- USB-C: Yes
- Warranty: 3-year
Pros
- 4K resolution for sharp text and detail
- a QD-OLED panel with per-pixel contrast
- DisplayHDR True Black 400 certification
- 99% DCI-P3 colour coverage
Cons
- OLED burn-in risk with static desktop elements
- Refresh rate trails the MO27U2 (240Hz)
- Screen size trails the PG32UCDM (32 inches)
How We Chose These 4K OLED Monitors
Each pick was assessed across 4 criteria weighted for real-world use.
- Panel
- We noted panel type and the trade-offs it brings for motion, contrast and burn-in.
- Resolution and refresh
- We compared listed resolution and refresh rate against the graphics power each needs.
- Connectivity and stand
- We checked ports, USB-C and stand adjustment where the listing states them.
- HDR and colour
- We recorded DisplayHDR certifications and listed colour gamut.
What to Look for in a 4K OLED Monitor
Key buying criteria so you get the right fit the first time.
Pick the panel type
IPS offers wide viewing angles and good colour. VA has higher contrast but slower dark transitions. OLED has perfect blacks and very fast response but carries a burn-in risk with static content.
Match resolution to your graphics card
1080p suits entry and mid-range cards and high refresh rates. 1440p is the balance for most gaming PCs. 4K needs a high-end card to hold high frame rates.
Pick the resolution your card can drive before looking at refresh rate.
Read HDR labels carefully
HDR10 means the monitor accepts an HDR signal, not that it displays it well. DisplayHDR 600 or True Black 400 certifications say more about real HDR performance.
Consider the stand
A stand with height, tilt and swivel adjustment saves buying a monitor arm. Check VESA mounting if you plan to use one anyway.
Size for your desk distance
24 to 25 inches suits 1080p and competitive play at a typical desk. 27 inches pairs well with 1440p and 4K; 32 inches suits 4K at a deeper desk.
Check ports and cables
High refresh rates at 1440p and 4K need DisplayPort 1.4 or HDMI 2.1. Consoles need HDMI 2.1 for 4K at 120Hz.
How to Choose a 4K OLED Monitor
By priority
| Priority | Consider | Why |
|---|---|---|
| Sharp OLED on a standard desk | MO27U2 | A 27-inch 4K QD-OLED at 240Hz |
| Long-term ownership | PG32UCDM | A 3-year warranty that lists burn-in coverage |
| Desks shared with a work laptop | MPG 321URX | A built-in KVM with picture-in-picture |
| Rooms with windows | Odyssey G8 G81SF | A Glare Free coating listed as 54% less glossy |
| Consoles and PCs | MAG 321UP | A 165Hz QD-OLED with a 48Gbps HDMI 2.1 port |
| Photo and video editing | PA279CDV | Calman Verified with Delta E below 1.5 |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Monitor | Refresh rate | Resolution | Size | Panel |
|---|---|---|---|---|
| MO27U2 | 240Hz | 3840x2160 (4K) | 27 inches | QD-OLED |
| PG32UCDM | 240Hz | 3840x2160 (4K) | 32 inches | QD-OLED |
| MPG 321URX | 240Hz | 3840x2160 (4K) | 31.5 inches | QD-OLED |
| Odyssey G8 G81SF | 240Hz | 3840x2160 (4K) | 32 inches | QD-OLED |
| MAG 321UP | 165Hz | 3840x2160 (4K) | 32 inches | QD-OLED |
| PA279CDV | 120Hz | 3840x2160 (4K) | 26.5 inches | QD-OLED |
Scroll sideways to see every column.
Frequently Asked Questions
Is 1080p fine on a 27-inch monitor?
It works, but text and detail look softer. 1440p is sharper at 27 inches; 1080p is best at 24 to 25 inches.
Does a FreeSync monitor work with an NVIDIA card?
Most do as G-SYNC Compatible over DisplayPort. Check the product page or NVIDIA's compatibility list for the model.
Does a 1ms response time rating matter?
Makers measure response time differently, so compare panel type and independent reviews rather than the headline figure.
Is HDR worth it on a budget monitor?
Rarely. Budget HDR10 monitors accept HDR but lack the brightness and contrast to show it well. OLED or DisplayHDR 600 models do it better.
Is OLED burn-in still a problem?
It is a risk with static elements over many hours. Current OLED monitors use pixel-refresh routines to reduce it; check the maker's warranty for burn-in coverage.
Should I use HDMI or DisplayPort?
On a PC, DisplayPort usually supports the highest refresh rates. HDMI 2.1 is equivalent and needed for consoles.
Bottom Line
The MO27U2 is the pick for a 27-inch desk, and the PG32UCDM for a 32-inch screen with burn-in coverage. MSI's 321URX suits two-computer desks, and the ProArt PA279CDV suits colour work.