LG UltraGear 27G640A-B 27" Black 2026

LG UltraGear 27G640A-B 27" Black 2026

LG
87 Overall Score
vs
Acer SB0 Series SB220Q bi 21.5" Black

Acer SB0 Series SB220Q bi 21.5" Black

Acer
38 Overall Score

Scores

Office
LG
83
Acer
37
Professional
LG
80
Acer
26
Gaming
LG
79
Acer
30
Creative
LG
79
Acer
24
Entertainment
LG
70
Acer
29
Portable
LG
15
Acer
36

Specifications

LG UltraGear 27G640A-B 27"Acer SB0 Series SB220Q bi 21.5"
Display
Size27"21.5"
Resolution2560 x 14401920 x 1080
Panel TypeIPSIPS
Aspect Ratio16:916:9
Curved✗—
Performance
Refresh Rate300 Hz★75 Hz
Response Time1 ms★4 ms
Adaptive SyncFreeSync PremiumFreeSync Premium
Color & HDR
Brightness400 nits★250 nits
Color GamutDCI P3 95% (CIE1976)16.7 Million
Color Depth10-bit★—
HDRHDR10—
HDR SupportHDR10★—
Connectivity
HDMI Ports2★1
DisplayPort1★0
USB-C1★0
Thunderbolt—N/A
Speakers✓★—
Headphone Jack✓★—
Ergonomics
Height Adjustable✓★✗
Tilt✓✓
Swivel✓★✗
Pivot✓★✗
VESA Mount100x100—
Features
Webcam✗—
Touchscreen✗—
PIP/PBP✗—
Power45W★—
Weight5.49 kg2.54 kg★

Pros & Cons

LG UltraGear 27G640A-B 27" Black 2026

  • Strong performance (91st percentile)91st %ile
  • Strong ergonomic (91st percentile)91st %ile
  • Strong color (89th percentile)89th %ile
  • Strong connectivity (89th percentile)89th %ile

Acer SB0 Series SB220Q bi 21.5" Black

  • Strong social proof (96th percentile)96th %ile
  • Strong portability (84th percentile)84th %ile
  • Below average color (20th percentile)20th %ile
  • Below average display (21st percentile)
  • Below average feature (24th percentile)
  • Below average ergonomic (32nd percentile)

Pricing

Acer SB0 Series SB220Q bi 21.5" Black is $75 cheaper (1.5x less).

LG UltraGear 27G640A-B 27" Black 20260.385score per dollar
vs
Acer SB0 Series SB220Q bi 21.5" Black0.251score per dollar

LG UltraGear 27G640A-B 27" Black 2026 offers 1.5x better value for money

LG UltraGear 27G640A-B 27" Black 2026

B&H Photo
used$192
B&H Photo
$227
Amazon
$229
Newegg
$297
Best Buy
$346

Acer SB0 Series SB220Q bi 21.5" Black

Amazon
$152

Verdict

★ Winner: LG UltraGear 27G640A-B 27"

Scores 87 overall, wins 5 of 6 usage categories and 14 of 29 specs.

LG UltraGear 27G640A-B 27" Better at:

GamingOfficeCreativeProfessionalEntertainment

Acer SB0 Series SB220Q bi 21.5" Better at:

Portable

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View Details & Prices: LG UltraGear 27G640A-B 27" Black 2026 View Details & Prices: Acer SB0 Series SB220Q bi 21.5" Black