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Samsung Odyssey OLED G8 32" 4K Gaming Monitor vs Asus ROG Swift PG27UCDM

Both are 4K 240Hz QD-OLED gaming monitors with 0.03ms response, FreeSync support and near-identical picture quality. The Samsung G81SF is the 32-inch pick: a bigger screen, Glare Free coating and a metal ergonomic stand suit mixed gaming and desktop work. The Asus PG27UCDM is the 27-inch pick: DisplayPort 2.1a at full 80Gbps, USB-C, a proximity sensor and fourth-gen QD-OLED panel make it the more future-proof, burn-in-conscious choice. Owners rate both 4.7 out of 5; the Asus sample is smaller, so treat its score as less settled.

  • Choose the Samsung Odyssey G8 G81SF if you want a 32-inch 4K OLED for gaming and desktop work, and glare control matters in your room.
  • Choose the Asus ROG Swift PG27UCDM if you prefer a denser 27-inch panel and want DisplayPort 2.1a, USB-C and burn-in safeguards.

Prices

  • Samsung Odyssey OLED G8 32" 4K Gaming Monitor: $773.10 at Walts TV (checked today)
  • Asus ROG Swift PG27UCDM: $1,089.00 at Walmart (last seen Nov 10)
  • Difference: the Samsung Odyssey OLED G8 32" 4K Gaming Monitor is $315.90 cheaper than the Asus ROG Swift PG27UCDM at the latest prices (Nov 10 and Nov 12)
Samsung
Samsung 32" Odyssey QD-OLED G8 G81SF 4K 240Hz Gaming Monitor

Samsung Odyssey OLED G8 32" 4K Gaming Monitor

Samsung 32" Odyssey QD-OLED G8 G81SF 4K 240Hz Gaming Monitor

4.7(196 ratings)
$773.10at Walts TVChecked 2 h ago
See all prices and details
Visit Walts TV
Pros
  • Big 32-inch 4K canvas for games and split-screen work
  • Glare Free coating cuts reflections in bright rooms
  • Strong burn-in defenses: cooling, thermal modulation and static-image dimming
  • Metal ergonomic stand and VESA mount
  • Large base of owner ratings at 4.7 out of 5
Cons
  • Lower pixel density than a 27-inch 4K panel
  • No USB-C video input listed
  • No DisplayPort 2.1a UHBR20 listed
  • Bigger footprint on a desk
Asus
Asus ROG Swift PG27UCDM

Asus ROG Swift PG27UCDM

4.7(34 ratings)
$1,089.00at WalmartChecked Nov 10
See all prices and details
Visit Walmart
Pros
  • Very sharp text and detail from 4K on 27 inches
  • DisplayPort 2.1a UHBR20 carries uncompressed 4K at 240Hz
  • USB-C plus HDMI 2.1 and three USB ports
  • Neo Proximity Sensor blanks the screen when you step away
  • Fourth-gen QD-OLED panel with low flicker at variable frame rates
Cons
  • Smaller 26.5-inch screen
  • Only 34 ratings so far
  • Tilt-only stand adjustment listed
  • No glare-reducing coating claim like the Samsung's

What separates them

Samsung Odyssey OLED G8 32" 4K Gaming MonitorAsus ROG Swift PG27UCDM
Screen size32 in26.5 in viewable
Pixel densityAbout 138 ppi at 4K on 32 inAbout 166 ppi at 4K on 27 in, sharper text
Panel generationQD-OLED with Glare Free coatingFourth-gen QD-OLED, Asus claims longer life and crisper text
Video bandwidthHDMI and DisplayPort, no DP 2.1a UHBR20 listedDisplayPort 2.1a UHBR20 at 80Gbps for uncompressed 4K 240Hz
USB-CUSB ports, no USB-C video input listedUSB-C plus 2 HDMI 2.1 and 3 USB ports
Burn-in protectionSafeguard+ cooling, Thermal Modulation, Logo and Taskbar DetectionOLED Care Pro with Neo Proximity Sensor that blanks the screen when you leave
Stand and mountingMetal ergonomic stand, VESA mountTilt stand, 100x100 VESA mount
Owner feedback volume4.7 from 196 ratings4.7 from 34 ratings

Price history

$1,099.00$773.10
Nov 5Nov 12
  • Samsung Odyssey OLED G8 32" 4K Gaming Monitor: lowest $773.10 on Nov 12 at Walts TV.
  • Asus ROG Swift PG27UCDM: lowest $1,089.00 on Nov 5; $1,099.00 on Nov 12.

Prices at every store

Samsung Odyssey OLED G8 32" 4K Gaming Monitor

  • Walts TVNew

    In stock

    $773.10Checked 2 h ago
    Visit Walts TV
  • WalmartNew

    In stockSold by Walts TVReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $859.00Free shippingChecked 1 h ago
    Visit Walmart
  • Macy'sNew

    In stock

    $859.00Free shippingChecked 22 h ago
    Visit Macy's
  • Micro CenterNew

    Availability unknown

    $971.97Checked 22 h ago
    Visit Micro Center
All 15 stores and price history →

Asus ROG Swift PG27UCDM

  • WalmartNew

    In stockSold by Ecorse TechReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $1,089.00Checked Nov 10
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,099.00Free shippingChecked 5 h ago
    Visit Amazon
  • ASUS Store USNew

    Availability unknown

    $1,099.00Checked Nov 5
    Visit ASUS Store US
  • eBayNew

    Availability unknownShips from Australia · duties may apply

    $1,120.99Checked 5 h ago
    Visit eBay

Store links may earn us a commission.

All 5 stores and price history →

Specs compared

SpecSamsung Odyssey OLED G8 32" 4K Gaming MonitorAsus ROG Swift PG27UCDM
colorSilverBlack
Camera (built-in)NoNo
VESA-MountYesYes
Screen Size (")32.026.5 in
VGANoNo
TypeGamingGaming
Energy Consumption (Standby) (W)0.50.5
DVINoNo
TCO CertificationNoNo
Panel TypeOLEDQD-OLED
EPEAT RatingNoNo
DVI PortsNoNo
Show all 40 specsShow fewer specs
SpecSamsung Odyssey OLED G8 32" 4K Gaming MonitorAsus ROG Swift PG27UCDM
VGA PortsNoNo
Resolution3840x2160 (4K)4K UHD (3840 x 2160)
Display TypeOLEDOLED
Connector TypeHDMI, DisplayPortHDMI 2.1, DisplayPort 2.1, USB-C
HD Format4K4K
Maximum Refresh Rate240 Hz240 Hz
Response Time0 milliseconds0.03 ms
USBYes—
Refresh Rate (Hz)240—
HDR

What reviewers say

Samsung Odyssey OLED G8 32" 4K Gaming Monitor

  • 4.7 / 5196 ratings

Owners rate it 4.7 out of 5 and mostly praise the OLED picture, 4K sharpness and 240Hz smoothness. Criticism centers on brightness in bright rooms and on OLED care concerns.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, strong contrast and vivid QD-OLED color.
  • Motion and refreshPraisedThe 240Hz refresh and 0.03ms response are called smooth and responsive for fast games.
  • BrightnessCriticisedSome say the panel is dimmer than expected in bright rooms.
  • Burn-in careMixedBuyers mention the safeguards but still worry about static logos and taskbars.

Asus ROG Swift PG27UCDM

  • 4.7 / 534 ratings

Owners rate it highly, with 4.7 out of 5 from 34 ratings. Praise centers on the sharp 4K picture, fast 240 Hz motion and the anti-burn-in features. Complaints are mostly about size and brightness.

What people mention
  • Picture qualityPraisedOwners call the 4K QD-OLED image sharp and vivid, with crisp text.
  • MotionPraisedThe 240 Hz refresh and 0.03 ms response make fast games feel smooth.
  • Burn-in carePraisedThe proximity sensor and OLED Care Pro features reassure owners about long-term use.
  • SizeMixed

Questions and answers

Which is better for competitive gaming?
Both run 4K at 240Hz with 0.03ms response, so motion is comparable. The Asus adds DisplayPort 2.1a for uncompressed 4K 240Hz and a denser 27-inch panel, which some players prefer for keeping the whole screen in view.
Which is better for work and text?
The Asus wins on sharpness: 4K on 26.5 inches gives higher pixel density and Asus claims crisper text from its fourth-gen panel. The Samsung's larger 32-inch area suits side-by-side windows better.
Which handles burn-in better?
The Asus has the more active system: OLED Care Pro with a proximity sensor that blacks the screen when you leave. The Samsung counters with extra cooling, thermal modulation and logo and taskbar detection. Both are OLED, so static content still needs care.
Is the Asus worth stepping up to over the Samsung?
Step up if you want DisplayPort 2.1a, USB-C, a proximity sensor and sharper text on a 27-inch screen. Stay with the Samsung if screen size and glare control matter more than ports.
Do either support G-Sync and FreeSync?
The Samsung lists G-Sync Compatible and FreeSync Premium Pro. The Asus lists FreeSync and works with variable refresh on Nvidia cards. Both reduce tearing at high frame rates.
Which lasts longer?
Asus claims its fourth-gen QD-OLED panel outlasts earlier OLED tech, and its sensor-based care helps. The Samsung's cooling and static-image dimming target the same problem. Neither carries a burn-in guarantee in the specs shown.

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More comparisons

  • Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor vs Samsung 32" Odyssey QD-OLED G8 G81SF 4K 240Hz Gaming Monitor
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  • Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor vs Asus ROG Swift PG27UCDM
  • BenQ PD3200U 32" 4K UHD Color Display Monitor vs Asus ROG Swift PG27UCDM

Buying guides that pick them

  • Best 4K monitors
Yes
—
Size27 in, 32 in—
Refresh rate—240 Hz
Display—OLED
Aspect—16:9
Features—Low Blue Light, Wall-Mountable, Tiltable, FreeS…
Brightness—450 Nits
Contrast ratio—1,000:1
Inputs/Outputs—Inputs - USB, USB Type-C & Outputs - HDMI,Displ…
Mount pattern—100 x 100
Brand—ASUS
Power type—Corded Electric
Model—PG27UCDM
Horizontal viewing angle—178 º
Vertical viewing angle—178 º
Input/output type—HDMI
Input/output quantity—4
Input/output direction—Input
Form factor—Wall Mount
Some find 26.5 inches small for 4K desktop work, while gamers like the density.