LG OLED evo C4 Series (2024) vs VIZIO Quantum Pro QLED 4K TV (2023)
The LG OLED evo C4 Series (2024) is the premium option here, boasting a stunning 144Hz refresh rate versus the VIZIO Quantum Pro QLED 4K TV (2023)'s 120Hz. This makes it a must-have for gamers who crave smooth gameplay, especially with its four HDMI 2.1 ports, while the VIZIO only offers one that supports 4K@120Hz. In real-world usage, this means the LG OLED can handle fast-paced action with ease, while the VIZIO might leave multi-console gamers wanting. Plus, with peak brightness reaching up to 950-1000 nits, the LG OLED outshines the VIZIO's maximum of 800 nits, ensuring vibrant HDR content that truly pops in any lighting condition. Key specs: Refresh: 144 Hz vs 120 Hz and HDMI Ports: 4 vs 1 (supports 4K@120Hz).
Why compare these? Both the LG OLED evo C4 Series (2024) and VIZIO Quantum Pro QLED 4K TV (2023) are high-end tvs competing in the same market segment. This makes them direct rivals for buyers looking for high-end features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.
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How We Compare These Products
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Sources Checked
Official specifications, Retailer ratings, Manufacturer documentation, Buyer feedback.
Decision Factors
We weigh panel technology, contrast, brightness, HDR support, gaming features, size value, and smart platform.
Editorial Standard
Research-based analysis from documented specs, published lab measurements, and verified-buyer evidence. Any hands-on note is labeled as such. Full methodology.
Key Differences at a Glance
| Aspect | LG OLED | VIZIO Quantum |
|---|---|---|
| User Rating | ✓4.5★ (1,723 reviews) | 4.2★ (1,606 reviews) |
| Top Strength | New 144Hz refresh rate support makes it a top-tier monitor for PC gaming | Integrated Wi-Fi 6E (Tri-band) provides faster streaming speed than most competitors |
| Main Drawback | Brightness Booster is missing on 42" and 48" models (they are dimmer) | Low native contrast causes blacks to appear gray in dark rooms (IPS characteristic) |
| Market Position | Premium | Premium |
LG OLED evo C4 Series (2024)
42" / 48" / 55" / 65" / 77" / 83"
4K (3840 x 2160)
WOLED (OLED evo)
144 Hz native (PC); 120 Hz (Consoles)
VIZIO Quantum Pro QLED 4K TV (2023)
65" / 75"
4K (3840 x 2160)
QLED LCD (IPS-type / ADS Panel)
120 Hz native (Supports up to 240Hz @ 1080p for PC)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: LG OLED evo C4 Series (2024) vs VIZIO Quantum Pro QLED 4K TV (2023)
LG OLED evo C4 Series (2024)
VIZIO Quantum Pro QLED 4K TV (2023)
| Criterion | LG OLED evo C4 Series (2024) | VIZIO Quantum Pro QLED 4K TV (2023) |
|---|---|---|
| Rating | ★4.5(1,723)Amazon | ★4.2(1,606)Amazon |
Screen Size | 42" / 48" / 55" / 65" / 77" / 83" | 65" / 75" |
Resolution | 4K (3840 x 2160) | 4K (3840 x 2160) |
Screen Type | WOLED (OLED evo) | QLED LCD (IPS-type / ADS Panel) |
Refresh Rate | 144 Hz native (PC); 120 Hz (Consoles) | 120 Hz native (Supports up to 240Hz @ 1080p for PC) |
Processor | α9 AI Processor 4K Gen7 | IQ Ultra+ Processor |
Upscaling | α9 AI Super Upscaling 4K | Spatial Scaling Engine |
HDR Formats | Dolby Vision, HDR10, HLG (No HDR10+) | Dolby Vision, HDR10+, HDR10, HLG |
Peak Brightness | ≈950-1,000 nits (55"+ HDR 2% window); ≈800 nits (42"/48" models) | ≈1,000 nits (Marketed); ≈750-800 nits (HDR Real Scene tested) |
Local Dimming | No (Self-illuminating pixels) | Yes (Active Full Array; 40 zones on 65"; 80 zones on 75") |
Contrast | Infinite (Perfect Black) | ≈1,600:1 (Native) – Low native contrast due to IPS panel |
Color Gamut | ≈99% DCI-P3 | ≈97% DCI-P3 (Quantum Color) |
HDMI Ports | 4x HDMI 2.1 (All ports support 4K@144Hz) | 4x HDMI |
HDMI 2 1 | Yes (4 ports) | Partial (Only HDMI 3 supports 4K@120Hz; HDMI 1 is eARC but 4K@60Hz) |
VRR | Yes (G-SYNC Compatible, FreeSync Premium, HDMI Forum VRR) | Yes (AMD FreeSync Premium Pro, HDMI Forum VRR; 48-120Hz) |
Allm | Yes (Auto Low Latency Mode) | Yes (Auto Low Latency Mode) |
Input Lag | ≈10 ms @ 60Hz; ≈5 ms @ 120Hz; ≈0.1 ms response time | ≈14 ms @ 60Hz; ≈6 ms @ 120Hz |
Audio Channels | 2.2 Channel (55"-83"); 2.0 Channel (42"-48") | 2.0 Channel |
Audio Power | 40 W (55"-83"); 20 W (42"-48") | 20 W (10W x 2) |
Audio Features | Dolby Atmos; DTS:X (Bypass only); AI Sound Pro (Virtual 9.1.2 Up-mix); WiSA Ready (2.1ch) | DTS:X; DTS Virtual:X; Dolby Atmos (Passthrough); Bluetooth Headphone capable |
Smart Platform | webOS 24 | VIZIO Home (formerly SmartCast) |
App Store | LG Content Store | VIZIO Home (Cloud-based apps, no local store) |
Voice Assistants | Amazon Alexa Built-in; Works with Google Assistant & Apple Home | VIZIO Voice (Built-in to remote); Works with Alexa/Google/Apple Home |
Casting | Apple AirPlay 2; Chromecast Built-in | Apple AirPlay 2; Chromecast Built-in |
Connectivity | Wi-Fi 5 (802.11ac); Bluetooth 5.1; Ethernet (LAN); eARC (HDMI 2) | Wi-Fi 6E (Tri-band 802.11ax); Bluetooth 5.2; Ethernet (LAN); USB 2.0 |
Tuner | ATSC 1.0 (Digital) / Clear QAM | ATSC 1.0 (Digital) / Clear QAM (No ATSC 3.0) |
Vesa | 300 x 200 mm (42"-55"); 300 x 300 mm (65"); 400 x 200 mm (77"); 400 x 400 mm (83") | 400 x 300 mm (65"/75") |
Dimensions With Stand | 55": 48.1 x 29.8 x 9.1 in; 65": 56.7 x 34.6 x 9.1 in; 77": 67.4 x 40.7 x 10.5 in | 65": 56.9 x 35.5 x 12.7 in; 75": 65.7 x 40.5 x 13.4 in |
Weight | 55": 35.3 lbs; 65": 40.8 lbs; 77": 59.5 lbs (with stand) | 65": 41.0 lbs; 75": 59.8 lbs (with stand) |
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LG OLED evo C4 Series (2024)
42" / 48" / 55" / 65" / 77" / 83"
4K (3840 x 2160)
WOLED (OLED evo)
144 Hz native (PC); 120 Hz (Consoles)
α9 AI Processor 4K Gen7
α9 AI Super Upscaling 4K
Pros
- New 144Hz refresh rate support makes it a top-tier monitor for PC gaming
- Four full-bandwidth HDMI 2.1 ports (rare in competitors which often have only 2)
Cons
- Brightness Booster is missing on 42" and 48" models (they are dimmer)
- No ATSC 3.0 tuner (NextGen TV support is missing)
VIZIO Quantum Pro QLED 4K TV (2023)
65" / 75"
4K (3840 x 2160)
QLED LCD (IPS-type / ADS Panel)
120 Hz native (Supports up to 240Hz @ 1080p for PC)
IQ Ultra+ Processor
Spatial Scaling Engine
Pros
- Integrated Wi-Fi 6E (Tri-band) provides faster streaming speed than most competitors
- IPS-type panel delivers wide viewing angles suitable for large group seating
Cons
- Low native contrast causes blacks to appear gray in dark rooms (IPS characteristic)
- Only one HDMI port supports 4K@120Hz (limiting for multi-console owners)
Which one is better?
The LG OLED evo C4 Series (2024) is the better buy for most people - its 144Hz refresh rate crushes the VIZIO's 120Hz. That said, grab the VIZIO Quantum Pro QLED 4K TV (2023) if you need wide viewing angles and a more budget-friendly option.
Who should buy each?
Choose the LG OLED evo C4 Series (2024) if: you game frequently, enjoy vibrant HDR content, or want the best refresh rate. (144 Hz refresh)
Choose the VIZIO Quantum Pro QLED 4K TV (2023) if: you watch in brighter rooms, need wide viewing angles, or prefer a lower price point. (120 Hz refresh)
Quality Seekers
Higher user rating (4.5★ vs 4.2★) indicates better overall satisfaction
→ Choose LG OLED
New 144Hz refresh Priority
New 144Hz refresh rate support makes it a top-tier monitor for PC gaming
→ Choose LG OLED
Integrated Wi-Fi 6E Priority
Integrated Wi-Fi 6E (Tri-band) provides faster streaming speed than most competitors
→ Choose VIZIO Quantum
Conclusion
LG OLED evo C4 Series (2024) and VIZIO Quantum Pro QLED 4K TV (2023) are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The LG OLED evo C4 Series (2024) edges ahead with a 4.5★ rating compared to 4.2★. However, VIZIO Quantum Pro QLED 4K TV (2023) remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: LG OLED evo C4 Series (2024) or VIZIO Quantum Pro QLED 4K TV (2023)?
LG OLED evo C4 Series (2024) is the better choice if you prioritize new 144hz refresh rate support makes it a top-tier monitor for pc gaming. VIZIO Quantum Pro QLED 4K TV (2023) wins if you value integrated wi-fi 6e (tri-band) provides faster streaming speed than most competitors. Both are rated highly (4.5★ vs 4.2★), so consider your specific needs and budget.
+What are the main differences between LG OLED evo C4 Series (2024) and VIZIO Quantum Pro QLED 4K TV (2023)?
Key differences: LG OLED evo C4 Series (2024) offers new 144hz refresh rate support makes it a top-tier monitor for pc gaming, while VIZIO Quantum Pro QLED 4K TV (2023) stands out with integrated wi-fi 6e (tri-band) provides faster streaming speed than most competitors. Consider that LG OLED evo C4 Series (2024) brightness booster is missing on 42" and 48" models (they are dimmer). Meanwhile, VIZIO Quantum Pro QLED 4K TV (2023) low native contrast causes blacks to appear gray in dark rooms (ips characteristic). Check the detailed specs table above for a complete comparison.
+What should I prioritize when choosing between these tvs?
Focus on the features that matter most for your daily use. LG OLED evo C4 Series (2024) stands out for new 144hz refresh rate support makes it a top-tier monitor for pc gaming and four full-bandwidth hdmi 2.1 ports (rare in competitors which often have only 2). VIZIO Quantum Pro QLED 4K TV (2023) excels at integrated wi-fi 6e (tri-band) provides faster streaming speed than most competitors and ips-type panel delivers wide viewing angles suitable for large group seating. Check the spec table above for the complete side-by-side breakdown.
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