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Samsung · OLED · 49"

49" Odyssey OLED G9 S49DG91

5120×1440 · 144 Hz · Ultrawide · Curved

Overall
80
Work
68
Play
86
Amazon
$939
49" Odyssey OLED G9 S49DG91
View 49" Odyssey OLED G9 S49DG91 Gallery in high resolution
$939
Available on Amazon Updated Aug 30, 2026 Prime FBA
Overall80.0
Work67.9
Play85.7
Refresh87.0
Response100.0
Color100.0
Quality / price17.0
$939 on Amazon Add this monitor to a build Compare this monitor Monitor table

Written analysis

49" Odyssey OLED G9 S49DG91 at a glance

The 49" Odyssey OLED G9 S49DG91 is a 49" OLED monitor at 5120×1440 and 144 Hz. The listed aspect ratio is ultrawide. The panel is curved at 1800R.

Best fit: high-refresh gaming and fast-paced entertainment, provided the GPU can feed this resolution.

Panel and image

Overall quality is 80.0, with 67.9 work and 85.7 play. Pixel density is listed at 108 PPI. Typical brightness is 250 nits. Contrast is listed as 1000000:1. The coating is Anti-glare/Matte. The listed pixel count is treated as a QHD-class work multiplier.

Color and HDR

Recorded gamut coverage is 99% DCI-P3. Color depth is listed as 10-bit native.

Motion and sync

Refresh is listed at 144 Hz. Response time is listed as 0.03 ms. The play score covers mainstream gaming and media; competitive high-refresh use still depends on the GPU keeping up. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Height · Tilt · VESA (100x100mm). Recorded inputs include 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; data), 2 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream), 1 x HDMI 2.1 (micro), 1 x HDMI 2.1, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out.

Buying verdict

Overall quality is 80.0, a premium result for mixed work and play.

At the recorded Amazon price, quality / price is 17.0. This is a feature-first purchase; compare nearby screens if several extras would go unused.

Work / price is 14.5 and play / price is 12.8.

Display data

Full specifications

Panel, color, motion, connectivity, ergonomics, power, and value in one sheet.

General

Manufacturer
Samsung
Monitor
49" Odyssey OLED G9 S49DG91
Series
Odyssey OLED G9
Launch price
—
Amazon price
$939
Amazon availability
Available
Price updated
Aug 30, 2026
Launch date
Jan 1, 2024

Panel

Size
49"
Panel type
OLED
Resolution
5120×1440
Aspect ratio
—
Pixel density
108 PPI
Brightness
250 nits
Contrast
1000000:1
Display area
92.96 in²
Viewing angles
178 ° (degrees) / 178 ° (degrees)
Backlight
—
Coating
Anti-glare/Matte
Curvature
1800R

Color & HDR

Color depth
10-bit native
Colors
1073741824
DCI-P3
99.00%
sRGB
—
Adobe RGB
—
NTSC
—
HDR
—
Local dimming
No

Motion

Refresh rate
144 Hz
Response time
0.03 ms
Input lag
—
Adaptive sync
—

Connectivity

Inputs
1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; data), 2 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream), 1 x HDMI 2.1 (micro), 1 x HDMI 2.1, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out
Speakers
—

Ergonomics

Height adjustment
Yes
Pivot
No
Swivel
No
Tilt
Yes
VESA mount
Yes · 100x100mm

Power & value

Typical power
63.00 W
Max power
220.00 W
Overall
80.0
Work
67.9
Play
85.7
Quality / price
17.0
Work / price
14.5
Play / price
12.8

Additional information

Alternate name
Odyssey OLED G9 (G91SD)
Features
Adaptive-Sync technology, Adaptive Brightness, Adaptive Picture, AMD FreeSync Premium Pro, Apple AirPLay, Auto Dimming, Auto Source Switch+, Bixby, Black Equalizer, Contrast Enhancer, Eye Saver Mode, Far-Field Voice Interaction, Flicker-free technology, Game Mode, HDR Tone Mapping, Infinity Core Lighting+ with Core Sync, Low Blue Light, Matter, MiniMap Zoom, Multi Control, Off Timer Plus, Panel Care, Picture-by-Picture, Picture-in-Picture, Picture Modes, Quantum Dot Color, Remote Access, Samsung Daily+, Samsung OLED Safeguard, Screen Fit, Smart Calibration, SmartThings, Smart View, Tap View, Thermal Modulation System, Super Arena Gaming UX, Super Ultrawide Game View and Game Bar 2.0, Virtual Aim Point, Voice Command
Accessories
DisplayPort cable, USB Type-C to Type-A cable
Amazon warranty
3 Year Manufacturer
Amazon dimensions
{'width': 47.04, 'height': 20.84, 'length': 11.19, 'weight': 28.4}

Extracted notes sit here. Amazon listing copy, when present, is at the bottom of the page.

Amazon

Price history

Nearby quality

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LG 27GS95QE 26.5" · OLED · 2560×1440 · 240 Hz
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LG 39GX90SA 38.5" · OLED · 3440×1440 · 240 Hz
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LG 27GX700A 26.5" · OLED · 2560×1440 · 280 Hz
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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

DETAILED QD-OLED WORLDS LIVE ON A WIDER, VIBRANT SCREEN: With QD-OLED technology, enjoy a wider color spectrum & vibrant images that captivate you and take gaming to new heights; Content springs to life on a Dual QHD (5120 x 1440) resolution screen.

WIN WITH A WIDER VIEW AND MORE PIXELS PER INCH: Don’t sacrifice detail, even with a larger screen.¹ The wide 32:9 screen in Dual QHD resolution and 110 pixels per inch gets you the level of clarity needed to see every detail across the 49” screen.

DIVE INTO SHADOWS WITH PURER BLACK LEVELS: Uncover every secret with infinite expression. See true black and dark colors on display without pixel light bleed for supreme color and depth expression in every game.

THERMAL MODULATION SYSTEM: Algorithms predict surface temperature and automatically control brightness accordingly to reduce heat.²

LOGO & TASKBAR DETECTION: The brightness on static images, like logos and taskbars, is automatically reduced to prevent burn-in.³

SCREEN SAVER: The screen dims itself after 10 minutes of inactivity, and comes back to regular brightness with any input.⁴

OUTMANEUVER OPPONENTS w/ SUPREME SPEED: QD-OLED technology delivers near-instant reaction time with a 0.03ms response time and 144Hz refresh rate for ultra-smooth and exhilarating gameplay.⁵

IMMERSE IN SMOOTH ACTION WITHOUT DISRUPTION: G-Sync compatibility syncs the GPU and panel to reduce choppiness, screen lag and image tearing. Along with AMD FreeSyncTM Premium Pro, it creates ultra-smooth scenes that let you game with a competitive edge.⁶

PICTURE-IN-PICTURE FOR SEAMLESS MULTITASKING: Eliminate the need for a second monitor with a Picture-in-Picture feature with a sub-screen that’s perfect for multitasking. Pull up chat windows and gaming tips without taking your eyes off your main screen.

ERGONOMIC STAND: Reach the height of winning. Tilt and adjust your monitor until all enemies are in perfect view. Your display can be moved freely so you can find total gaming comfort.

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