So sánh OLED vs QLED TV 2026 — màn hình nào tốt hơn cho phòng khách?

Tóm tắt nhanh

Mục	OLED	QLED
Công nghệ	Self-emissive pixels	Quantum Dot + LED backlight
Black level	Perfect (true black)	Very good (not perfect)
Brightness	Tốt	Excellent (sáng hơn 2-3x)
Burn-in	Risk (rare modern)	Không
Viewing angle	Wide	Medium (depending tech)
Color	Excellent	Excellent
Gaming	0.1ms response	Few ms response
Giá VN	25-50tr (65")	20-35tr (65")

Bảng So Sánh Chi Tiết

Black Level

OLED:

• Self-emissive — pixel tự sáng / tắt
• Black là true black (pixel tắt hoàn toàn)
• Infinite contrast ratio
• Movies dark scenes — đẹp nhất

QLED:

• LED backlight with quantum dot filter
• Black là very dark gray (LED không tắt fully)
• Local dimming có thể improve (FALD)
• Lighter darks vs OLED

Kết luận: OLED WIN cho dark scenes / movies.

Brightness

OLED:

• Peak 1000-2000 nits (premium 2026)
• Standard 600-1000 nits
• Risk of burn-in if sustained max brightness

QLED:

• Peak 2000-4000 nits (premium QD-OLED, Mini-LED)
• Standard 1500-2500 nits
• Brighter for sunny rooms

Kết luận: QLED WIN cho phòng sáng / outdoor visible.

Burn-In

OLED:

• Risk: Static logos (CNN logo, video game HUD) lưu vĩnh viễn
• 2026 LCDs have pixel shift + screen savers
• Rare modern use case (5+ năm typical use)

QLED:

• No burn-in risk
• LED backlight không degrade like OLED
• Better for static content (news channel 24/7)

Kết luận: QLED WIN cho heavy use / gaming HUD static.

Color

OLED:

• Wide color gamut
• Accurate out-of-box
• Better viewing angles

QLED:

• Quantum Dot — vibrant color
• More saturated (depending on tuning)
• Mini-LED QLED color excellent

Kết luận: Cả 2 đều excellent. OLED more accurate, QLED more vibrant.

Viewing Angle

OLED:

• Self-emissive — wide angle
• Color không degrade off-axis
• Multiple viewer perfect

QLED:

• LCD-based — narrower angle
• Color shift off-axis
• Premium QLED (S95C, S90C) improved viewing

Kết luận: OLED WIN cho seating arrangements multiple viewers.

Gaming

OLED:

• 0.1ms response time
• 120Hz refresh rate
• VRR (G-Sync, FreeSync)
• Risk burn-in static HUD

QLED:

• 1-4ms response time
• 120-144Hz refresh rate
• VRR support
• No burn-in

Kết luận: OLED WIN response time. QLED WIN burn-in concern.

Giá Cả

OLED 65":

• LG C3 (35-40tr)
• LG G3 (50-55tr)
• Sony A95L QD-OLED (60-70tr)

QLED 65":

• Samsung Q70C (20-25tr)
• Samsung Q90C Neo QLED (35-40tr)
• TCL QM7 (15-20tr)

Kết luận: QLED cheaper at entry-level. Premium QD-OLED most expensive.

Top Picks 2026

Best OLED 65"

LG C4 / C3:

• Best all-around OLED
• 4K 120Hz with VRR
• 35-45 triệu

Sony A95L QD-OLED:

• Best picture quality
• Sony Cognitive Processor XR
• 60-70 triệu (premium)

LG G4:

• Brightest OLED yet
• Wall-mountable design
• 55-65 triệu

Best QLED 65"

Samsung Neo QLED QN90D:

• Mini-LED for HDR
• 4K 144Hz gaming
• 40-50 triệu

Samsung S95D OLED-Lite (Quantum Dot OLED):

• Hybrid technology
• Best of OLED + QLED
• 50-60 triệu

TCL QM7 / QM6 Pro:

• Budget QLED
• 4K 120Hz
• 15-25 triệu

Best Value Pick 2026

Hisense U8N (65"):

• Mini-LED QLED
• 1500+ nits
• 4K 144Hz
• 25-30 triệu (best value high-end)

Cách Chọn Theo Use Case

Movie + Cinema (Dark Room)

Gợi ý hàng đầu:

• LG C4 OLED
• Sony A95L QD-OLED
• LG G4

Vì sao: True black + wide viewing angles + film mode accurate.

Sports + Bright Room

Gợi ý hàng đầu:

• Samsung Neo QLED QN90D
• Sony X95L Mini-LED
• Hisense U8N

Vì sao: Bright (2000+ nits) + no burn-in for sport graphics.

Gaming (PS5 / Xbox / PC)

Gợi ý hàng đầu:

• LG C4 OLED (0.1ms response)
• Samsung S95D OLED-Lite
• LG G4 (HDMI 2.1 4K 120Hz)

Vì sao: 0.1ms response + VRR + 4K 120Hz.

Daily Family Use (Mixed)

Gợi ý hàng đầu:

• Samsung Neo QLED QN90D
• LG C4 (OLED option)
• Hisense U8N (budget)

Vì sao: Versatile, balance brightness + accuracy.

News + Static Content

Gợi ý hàng đầu:

• Samsung Neo QLED (no burn-in)
• TCL QM7

Vì sao: Static logos won't burn-in.

HDR Standards

HDR10 (Basic)

• Static metadata
• All modern TVs support
• Standard

HDR10+

• Dynamic metadata
• Samsung-developed
• Some content (Amazon Prime, Apple TV+)

Dolby Vision

• Dynamic metadata
• LG, Sony, Vizio
• Most premium content (Netflix, Disney+)

HLG (Broadcast)

• For live TV / cable
• Less premium content

Khuyến nghị: Premium TV nên support Dolby Vision + HDR10+ + HLG.

HDMI 2.1 Features

Required for next-gen gaming:

• 4K 120Hz (8K 60Hz)
• VRR (Variable Refresh Rate)
• ALLM (Auto Low Latency Mode)
• eARC (Enhanced Audio Return Channel for Dolby Atmos)

Check: Premium TV 2026 cần 4 HDMI 2.1 ports.

Size Recommendation

Viewing Distance

• 55": 2-2.5m distance
• 65": 2.5-3m distance
• 75": 3-3.5m distance
• 85": 3.5-4m+ distance

Rule: TV size (inches) × 1.5 = optimal viewing distance (inches).

Room Size

• Small room (< 15m²): 55" max
• Medium room (15-25m²): 65"
• Large room (25m²+): 75-85"

Smart Platform

LG webOS

• Magic Remote
• Plenty of apps
• LG ThinQ AI

Samsung Tizen

• Excellent UI
• Quick access
• Wide app library

Sony Google TV

• Google ecosystem
• Many apps
• Voice control Google Assistant

Roku TV (TCL, Hisense)

• Simple UI
• App library
• Affordable smart

All major platforms support: Netflix, Disney+, YouTube, Prime Video, Spotify.

Burn-In Mitigation (OLED)

Modern OLED has:

• Pixel shift (image moves micro-amount)
• Screen saver auto-trigger
• Logo dimming
• Refresh routine (auto-run weekly)
• 5+ năm warranty against burn-in (LG, Samsung)

Tips:

• Don't display same image 4+ hours daily
• Vary content
• Use sleep timer
• Enable screen saver

Conclusion: Modern OLED burn-in very rare typical use.

Mua Chính Hãng

• LG: LG Brand Store FPT, CellphoneS, Mediamart
• Samsung: Samsung Brand Store, TopZone, Mediamart
• Sony: Sony Center Vincom, Mediamart
• TCL / Hisense: Mediamart, Điện Máy Xanh
• Tránh: xách tay không bảo hành VN (TV pricey + heavy logistics)