Home//Compare//LG 45-Inch OLED Gaming Monitor vs ASUS ROG 27" 1440P Gaming Monitor

LG 45-Inch OLED Gaming Monitor vs ASUS ROG 27" 1440P Gaming Monitor — Which Is Better?

Monitor · Updated September 2026 · Live prices
LG 45GX900A-B 45-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black
A
LG 45-Inch OLED Gaming Monitor
LG
Amazon BSR #4,327
$1257.99
was $1699.99
View deal →
Overall Winner
ASUS ROG Swift OLED 27” 1440P Gaming Monitor (PG27AQDP) - WOLED, QHD, 480Hz, 0.03ms, G-SYNC Compatible, Custom Heatsink, AI Assistant, DisplayHDR400 True Black, 99% DCI-P3, True 10-bit, DisplayWidget
B
ASUS ROG 27" 1440P Gaming Monitor
ASUS
Amazon BSR #3,967
$698.01
was $799.00
View deal →

Pros & cons

LG 45-Inch OLED Gaming Monitor
Ultra-fast 240Hz refresh rate for smooth gameplay
0.03ms response time reduces lag and ghosting
45-inch WQHD OLED screen for immersive visuals
NVIDIA G-Sync compatibility for tear-free gaming
Steep 800R curve may not fit all desk spaces
Premium price tier despite discount
Limited to 3440 x 1440 resolution
ASUS ROG 27" 1440P Gaming Monitor
Fast 480Hz refresh rate for smooth gaming
0.03ms response time reduces screen tearing
99% DCI-P3 color gamut for vivid colors
3-year warranty with burn-in coverage
No adjustable height or ergonomic adjustments mentioned
Limited to 27 inches, may be small for some
Premium price may deter budget-conscious buyers

Composite Score

LG 45-Inch OLED Gaming Monitor
44/100
VS
ASUS ROG 27" 1440P Gaming Monitor
69/100
Amazon Demand (50%)
54%
54%
Value Metric (30%)
69%
62%
Deal Timing (20%)
3%
100%

Quick verdict

Overall Winner
ASUS ROG 27" 1440P Gaming Monitor
Best Value
ASUS ROG 27" 1440P Gaming Monitor
Highest Demand
Tie
Best Deal Timing
ASUS ROG 27" 1440P Gaming Monitor
TL;DR
  • Right now — LG 45-Inch OLED Gaming Monitor: $1257.99, down from $1699.99, Amazon BSR #4,327.
  • Right now — ASUS ROG 27" 1440P Gaming Monitor: $698.01, down from $799.00, near its all-time low ($698.01), Amazon BSR #3,967.
  • If price matters most, the ASUS ROG 27" 1440P Gaming Monitor is $698.01 and near its all-time low.
  • Composite pick (demand + value + deal): ASUS ROG 27" 1440P Gaming Monitor.

Winner by category

CategoryLG 45-Inch OLED Gaming MonitorASUS ROG 27" 1440P Gaming MonitorWinner
ValueASUS ROG 27" 1440P Gaming Monitor$559.98 cheaper
DemandTieBSR #3,967
Deal ScoreASUS ROG 27" 1440P Gaming Monitor100/100
OverallASUS ROG 27" 1440P Gaming MonitorDemand + value + deal

Price comparison

LG 45-Inch OLED Gaming Monitor
$1257.99
Lowest ever: $999.99
3/100
Difference
$559.98
ASUS ROG 27" 1440P Gaming Monitor
$698.01
Lowest ever: $698.01
100/100

Price history

LG 45-Inch OLED Gaming MonitorASUS ROG 27" 1440P Gaming Monitor
A lowest ever$999.99
B lowest ever$698.01
Current A$1257.99
Current B$698.01

Key specs

Full specifications

SpecLG 45-Inch OLED Gaming MonitorASUS ROG 27" 1440P Gaming Monitor
Size45 inches
ColorBlackBLACK
Model45GX900A-B.AUSPG27AQDP
BindingPersonal ComputersPersonal Computers
Depth In13.310.8
Warranty2 Year Manufacturer3 years warranty with ARR and burn-in coverage
Width In39.123.8
Height In26.121.6
UnitCount11
Weight Lb29.7613.7
Dimensions39.1"W × 13.3"D × 26.1"H23.8"W × 10.8"D × 21.6"H
ReleaseDate2025-06-16T00:00:01Z2024-09-25T00:00:01Z
ProductGroupPersonal ComputerPersonal Computer
ItemPartNumber45GX900A-B.AUSPG27AQDP
Amazon Sales Rank43273967

Price intelligence

◆ HawkShift AI
17 scans
Every 0.8d avg
Current Price
$1257.99
Predicted 7D
$1296.98
$38.99 (3.10%)
Predicted 30D
$1380.98
$122.99 (9.78%)
AI Signal
Wait
31% confidence
Price
EMA
Forecast
Low
$999.99
Avg
$1130.73
High
$1267.30
Now
$1257.99
Price Intelligence
TrendUP
Confidence31%
Volatility34.7%
Data QualityMedium
Scan Freq0.8d
Key Levels
Resistance$1253.02
Support$999.99
All-Time High$1267.30
All-Time Low$999.99
AI Factors
🌙 SeasonalNone
🏷 Promo 7D85%
📅 Next Event
Labor Day Sale
Recommendation
Wait
High probability of sale event in next 7 days
Price Range
$999.99$1267.30
97th percentile
Confidence Intervals
7 Day
$1172.06$1421.90
30 Day
$1092.93$1669.03
Trend Strength
0.75Strong
R² SCORE
Price Momentum
+14.15%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan
◆ HawkShift AI
17 scans
Every 0.8d avg
Current Price
$698.01
Predicted 7D
$662.45
$35.56 (5.09%)
Predicted 30D
$662.45
$35.56 (5.09%)
AI Signal
Strong Buy
38% confidence
Price
EMA
Forecast
Low
$698.01
Avg
$729.94
High
$765.00
Now
$698.01
Price Intelligence
TrendDOWN
Confidence38%
Volatility5.5%
Data QualityMedium
Scan Freq0.8d
Key Levels
Resistance$765.00
Support$699.21
All-Time High$765.00
All-Time Low$698.01
AI Factors
🌙 SeasonalNone
🏷 Promo 7D85%
📅 Next Event
Labor Day Sale
Recommendation
Strong Buy
Price is within 8% of historical floor ($699.21)
Price Range
$698.01$765.00
0th percentile
Confidence Intervals
7 Day
$663.11$673.40
30 Day
$663.11$688.00
Trend Strength
0.77Strong
R² SCORE
Price Momentum
-0.14%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan

Performance analysis

Deal timing

LG 45-Inch OLED Gaming Monitor: $1257.99, down from $1699.99, Amazon BSR #4,327. ASUS ROG 27" 1440P Gaming Monitor: $698.01, down from $799.00, near its all-time low ($698.01), Amazon BSR #3,967.

Demand

Both products show similar Amazon demand. Prefer the better price or the specs that match your use case.

Value

At $698.01, the ASUS ROG 27" 1440P Gaming Monitor is $559.98 cheaper. That gap is meaningful unless the pricier option has a must-have feature.

Overall

On HawkShift’s Amazon composite (demand + value + deal timing), the ASUS ROG 27" 1440P Gaming Monitor leads. This is not a star-rating verdict — it’s price and marketplace demand.

Who should buy each

Buy the LG 45-Inch OLED Gaming Monitor if...
Gamers seeking high-speed displays will find this monitor fitting, with a 240Hz refresh rate and 0.03ms response time. The 45-inch WQHD OLED screen provides vivid visuals. High demand and a discounted price make it attractive. Buy if you need top-tier gaming performance.
○ Wait for a price drop
Buy the ASUS ROG 27" 1440P Gaming Monitor if...Recommended
Gamers seeking high-refresh-rate monitors will find this option in the premium price tier. It boasts a 480Hz refresh rate and 0.03ms response time. With high demand in this category, it's a good choice for those who need top-tier performance. Buy if you prioritize ultra-fast gaming visuals.
● Strong buy

Frequently asked questions

Which is better: LG 45-Inch OLED Gaming Monitor or ASUS ROG 27" 1440P Gaming Monitor?
Based on our composite score, the ASUS ROG 27" 1440P Gaming Monitor is the stronger overall choice with a score of 69/100 vs 44/100. That said, the LG 45-Inch OLED Gaming Monitor is still a solid product — if it's cheaper or better suited to your use case, it remains a good buy.
Is the price difference between LG 45-Inch OLED Gaming Monitor and ASUS ROG 27" 1440P Gaming Monitor worth it?
The ASUS ROG 27" 1440P Gaming Monitor is $559.98 cheaper at $698.01. That's a meaningful gap. Unless the pricier LG 45-Inch OLED Gaming Monitor offers features you specifically need, the ASUS ROG 27" 1440P Gaming Monitor is the smarter buy for most people.
Which has stronger Amazon demand: LG 45-Inch OLED Gaming Monitor or ASUS ROG 27" 1440P Gaming Monitor?
Both products show similar Amazon demand signals. Compare specs and current price to decide.
Who should buy the LG 45-Inch OLED Gaming Monitor vs the ASUS ROG 27" 1440P Gaming Monitor?
Buyers who want the proven option with stronger overall metrics should go with the ASUS ROG 27" 1440P Gaming Monitor. Budget-conscious buyers should lean toward the ASUS ROG 27" 1440P Gaming Monitor at $698.01.
Is now a good time to buy either the LG 45-Inch OLED Gaming Monitor or the ASUS ROG 27" 1440P Gaming Monitor?
Right now the LG 45-Inch OLED Gaming Monitor is $1257.99 and we expect it to fall — worth waiting; the ASUS ROG 27" 1440P Gaming Monitor is $698.01 — its lowest tracked price, and our forecast says buy. See the full price intelligence for each below.
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