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LG UltraGear 45GX950A-B OLED Monitor vs Alienware AW3926QW 39 5K OLED Monitor

Both are 5K2K ultrawide OLED gaming monitors with 165Hz, 0.03ms response and 90W USB-C, so the choice comes down to size, curve and ports. The LG 45GX950A-B is bigger at 45 inches, curves harder at 800R, adds a 330Hz dual mode at WFHD and includes DisplayPort 2.1 plus two HDMI 2.1 ports. The Alienware AW3926QW is smaller at 39 inches with a gentler 1500R curve, slightly wider color coverage and more height adjustment. Owners of both praise the OLED contrast and motion clarity; the LG's aggressive curve and size split opinion, and the Alienware's smaller screen suits desks better.

  • Choose the LG 45GX950A-B if you want the largest 5K2K OLED, a deep 800R curve for immersion, and a 330Hz dual mode for competitive shooters.
  • Choose the Alienware AW3926QW if you want a 5K2K OLED that fits a normal desk, with a gentler curve, slightly wider color coverage and more height adjustment.

Prices

  • LG UltraGear 45GX950A-B OLED Monitor: $1,023.45 at eBay (checked today)
LG
LG 45" OLED WUHD Gaming Monitor 45GX950A-B

LG UltraGear 45GX950A-B OLED Monitor

LG 45" OLED WUHD Gaming Monitor 45GX950A-B

4.5(109 ratings)
$1,023.45at eBayChecked 4 h ago
See all prices and details
Visit eBay

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Pros
  • Large 45-inch 5K2K OLED with strong immersion
  • Dual mode hits 330Hz at WFHD for fast shooters
  • DisplayPort 2.1 and two HDMI 2.1 ports
  • 0.03ms response and FreeSync Premium Pro with G-Sync Compatible
  • USB-C with 90W charging for a laptop
Cons
  • Very wide and heavy, needs a deep desk
  • 800R curve is polarizing for work and text
  • Only one HDMI port listed in some specs
  • No 3.5mm input
  • High brightness OLED can show burn-in risk with static UI
Alienware
Alienware 39 5K OLED (AW3926QW)

Alienware AW3926QW 39 5K OLED Monitor

Alienware 39 5K OLED (AW3926QW)

See all prices and details
Pros
  • Smaller 39-inch footprint fits more desks
  • 99% DCI-P3 and 1.75M:1 contrast
  • 110mm height adjustment
  • 0.03ms response and 165Hz
  • USB-C 90W power delivery
Cons
  • No dual-mode high refresh option
  • Gentler 1500R curve is less immersive
  • Fewer next-gen ports than the LG
  • 300 cd/m² typical brightness is modest for bright rooms

What separates them

LG UltraGear 45GX950A-B OLED MonitorAlienware AW3926QW 39 5K OLED Monitor
Screen size45 inches38.9 inches
Curve800R, deeply curved1500R, gently curved
Dual modeWUHD 165Hz switches to WFHD 330Hz165Hz at 5120x2160 only
PortsDisplayPort 2.1, two HDMI 2.1, USB-C 90WHDMI and DisplayPort, USB-C 90W
Color coverage98.5% DCI-P399% DCI-P3
Contrast1,500,000:11,750,000:1
Height adjustmentYes, range not statedUp to 110mm
Weight9.4kg without standNot stated

Price history

$1,799.99$1,099.99
Nov 11Nov 14
  • LG UltraGear 45GX950A-B OLED Monitor: lowest $1,199.99 on Nov 13 at Quick Ship Electronics; $1,199.99 on Nov 14.
  • Alienware AW3926QW 39 5K OLED Monitor: lowest $1,099.99 on Nov 14.

Prices at every store

LG UltraGear 45GX950A-B OLED Monitor

  • Quick Ship ElectronicsNew

    In stock

    $1,199.99Free shippingChecked 21 h ago
    Visit Quick Ship Electronics
  • Best BuyNew

    In stock

    $1,599.99Free shippingChecked 9 min ago
    Visit Best Buy
  • eBayNew

    Availability unknownSold by comput84115 (0% positive, 428 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $1,023.45+ $78.87 shippingChecked 4 h ago
    Visit eBay
  • Quick Ship ElectronicsNew

    Availability unknown

    $1,199.99Checked 3 h ago
    Visit Quick Ship Electronics

Store links may earn us a commission. Some prices via Klarna.

All 20 stores and price history →

Alienware AW3926QW 39 5K OLED Monitor

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Prices and history →

Specs compared

SpecLG UltraGear 45GX950A-B OLED MonitorAlienware AW3926QW 39 5K OLED Monitor
Response time0.03ms (GtG)0.03 ms GTG (Extreme Mode)
Aspect ratio21:921:9 ultrawide
USB-C power delivery90WPower Delivery up to 90 W
Display TypeOLEDOLED
Connector TypeHDMI, DisplayPort, USB-CHDMI, DisplayPort
HD Format5K5K
CurvedYesYes
Size45 in39 in
Maximum Refresh Rate165 Hz165 Hz
Brightness1,300 cd/m²300 cd/m²
colorBlack—
Screen size45-inch—
Show all 40 specsShow fewer specs
SpecLG UltraGear 45GX950A-B OLED MonitorAlienware AW3926QW 39 5K OLED Monitor
Resolution5120x2160—
Panel typeOLED—
Refresh rate165Hz—
Dual mode refreshWUHD 165Hz ↔ WFHD 330Hz—
Curvature800R—
Color gamutDCI-P3 98.5%—
HDR certificationDisplayHDR True Black 400—
Weight without stand9.4kg—
Weight With Stand (lb)30.9—
3.5 mm In (AUX)

What reviewers say

LG UltraGear 45GX950A-B OLED Monitor

  • 4.5 / 5109 ratings

Owners rate it highly, praising the sharp ultrawide OLED picture and the flexibility of dual-mode refresh. Complaints center on the aggressive curve, the limited port selection and the desk space it demands.

What people mention
  • Picture qualityPraisedOwners call the 5120x2160 OLED panel sharp and vivid, with deep blacks and strong HDR.
  • Dual modePraisedSwitching to 330Hz at WFHD is seen as a real advantage for fast competitive games.
  • CurveMixedSome like the immersive 800R wrap; others find it too aggressive for desktop work.
  • PortsCriticisedBuyers note the single HDMI 2.1 and one USB port are thin for a monitor this size.
Reviews
  • LG 45 Ultragear OLED (45GX950A-B)
  • LG 45 Ultragear OLED (45GX950A-B) - PCMag editors select and review products independently
  • The Best Curved Monitors for 2026 - PCMag editors select and review products independently
  • The Best Curved Monitors for 2026
  • Best Ultrawide Monitors
  • Monitor Reviews From Our Experts - PCMag editors select and review products independently

Questions and answers

Which is better for competitive gaming?
The LG, because its dual mode drops to WFHD at 330Hz for faster motion. The Alienware tops out at 165Hz at full resolution.
Which fits a smaller desk?
The Alienware. At 38.9 inches with a 1500R curve it takes noticeably less width and depth than the 45-inch LG.
Is the LG worth stepping up to?
If you want the bigger screen, deeper curve and 330Hz mode, yes. If you mostly work and play at 165Hz, the Alienware covers the same resolution and OLED quality in less space.
Which has better color?
Nearly identical. The Alienware lists 99% DCI-P3 and the LG 98.5%, a difference most people will not see.
Do both charge a laptop over USB-C?
Yes, both deliver up to 90W over USB-C, enough for most thin laptops.
Which is better for mixed work and gaming?
The Alienware's gentler curve and height adjustment suit office work better. The LG's 800R curve is more immersive but distorts straight lines at the edges.

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More comparisons

  • LG 45" OLED WUHD Gaming Monitor 45GX950A-B vs Samsung 57-Inch Odyssey Neo G9
  • Alienware 39 5K OLED (AW3926QW) vs Samsung 57-Inch Odyssey Neo G9

Buying guides that pick them

  • Best curved monitors for work and gaming
No
—
HDMI Ports1—
No. of USB (total) (pcs)1—
HDMI Version2.1—
TiltableYes—
VGA PortsNo—
Height With Stand (")21.5—
Curved ScreenYes—
Weight With Stand (kg)14.0—
VESA-MountYes—
Headphone OutYes—
DisplayPort Version2.1—
VGANo—
Width (")39.1—
Adjustable HeightYes—
Contrast (:1)1500000—
TCO CertificationNo—
EthernetNo—
Surface TreatmentMatte—