A comparison of specs, key information, reviews, and best pricing from top retailers
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Company ProductName Specs
Company ProductName Specs
Advantages of the LG B4 (OLED)
- Excellent for dark room
- Excellent for movies & TV
- Very good for sports
- Very good for news, talk, & other TV
- Very good for cartoons & animation
- Very good for use as monitor
- Good for upscaling
- Very good motion processing
- Best in class viewing angle
- Excellent reflections
Advantages of the Vizio Quantum Pro (LCD)
- The Vizio Quantum Pro (LCD) has no clear advantages over the LG B4 (OLED).
Key differences
Picture Quality
8.8
7.2
10/10
CONTRAST
5.64/10
8.1/10
COLOR VOLUME SCORE
8.2/10
WOLED
PANEL TYPE
LED FALD
WBC
PANEL SUB-TYPE
IPS
The LG B4 (OLED) has very good picture quality, while the Vizio Quantum Pro (LCD) has good picture quality.
Movies & TV
9.2
6.6
10/10
CONTRAST
5.64/10
10.0/10
BLACK UNIFORMITY
5.4/10
7.0/10
UPSCALING
5.7/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
Yes
Yes
DOLBY VISION SUPPORT
Yes
The LG B4 (OLED) is excellent for movies & TV, while the Vizio Quantum Pro (LCD) is only fair.
Sports
8.3
6.4
8.0/10
MOTION PROCESSING
3.9/10
120Hz
REFRESH RATE
120Hz
10.0/10
INPUT LAG SCORE
7.6/10
7.0/10
UPSCALING
5.7/10
7.1/10
SDR BRIGHTNESS SCORE
8.9/10
Yes
HLG SUPPORT
Yes
The LG B4 (OLED) is very good for sports, while the Vizio Quantum Pro (LCD) is only fair.
Gaming
8.9
8.1
9.4/10
RESPONSE TIME SCORE
8.0/10
10.0/10
INPUT LAG SCORE
7.6/10
8.0/10
MOTION PROCESSING
3.9/10
100.0/100
GAMING LOCAL DIMMING
70.0/100
7.5/10
GAME HDR BRIGHTNESS SCORE
7.5/10
The LG B4 (OLED) and Vizio Quantum Pro (LCD) are both very good for gaming, though the LG B4 (OLED) is somewhat better.
Cartoons & Animation
8.7
7.5
8.3/10
COLOR GAMUT SCORE
8.0/10
8.1/10
COLOR VOLUME SCORE
8.2/10
7.1/10
SDR BRIGHTNESS SCORE
8.9/10
8.5/10
COLORS OUT OF THE BOX SCORE
6.7/10
9.5/10
GRAY UNIFORMITY
5.9/10
The LG B4 (OLED) is very good for cartoons & animation, while the Vizio Quantum Pro (LCD) is good.
News, Talk, & Other TV
8.3
6.6
7.1/10
SDR BRIGHTNESS SCORE
8.9/10
7.0/10
UPSCALING
5.7/10
The LG B4 (OLED) is very good for news, talk, & other TV, while the Vizio Quantum Pro (LCD) is only fair.
Cost
$2,200
$598
$0
$500
$1,000
$1,500
$2,000
$2,500
$3,000
$3,500
The LG B4 (OLED) has a price of $2,200 and the Vizio Quantum Pro (LCD) costs $598.
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Key similarities
Bright Room
7.3
7.7
9.5/10
VIEWING ANGLE
7.2/10
7.1/10
SDR BRIGHTNESS SCORE
8.9/10
7.2/10
HDR BRIGHTNESS SCORE
7.4/10
9.2/10
REFLECTIONS SCORE
8.4/10
The Vizio Quantum Pro (LCD) and LG B4 (OLED) are both good for bright room.
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How the LG B4 (OLED) and the Vizio Quantum Pro (LCD) compare to other TVs
Spec Comparison
 |  | |
| LG B4 (OLED) | Vizio Quantum Pro (LCD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$2,200 | $598 | ||
Brand | |||
Brand | LG | Vizio | |
Release Date | |||
Release Date | March 1, 2024 | September 1, 2023 | |
Full name | |||
Full name | OLED65B4 | VQP65C | |
Screen Size | |||
Screen Size | 65" | 65" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | WebOS | SmartCast | |
Sound Quality Score | |||
Sound Quality Score | 7/10 | 6.4/10 | |
NextGen Ready | |||
NextGen Ready | No | No | |
HDMI Ports | |||
HDMI Ports | 4 | 4 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 8.9/10 | 7.3/10 | |
Bright Room Score | |||
Bright Room Score | 7.4/10 | 7.8/10 | |
Gaming Score | |||
Gaming Score | 9/10 | 8.2/10 | |
Movies & TV Score | |||
Movies & TV Score | 9.3/10 | 6.7/10 | |
Sports Score | |||
Sports Score | 8.3/10 | 6.5/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 57.0" x 32.8" x 1.8" | 32.7" x 56.9" x 2.9" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 57.0" x 35.3" x 9.3" | 35.5" x 56.9" | |
Weight without Stand | |||
Weight without Stand | 37.7 lbs | 39.68 lbs | |
VESA Mount | |||
VESA Mount | 300 x 200 | 400 x 300 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | Yes | Yes | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 10/10 | 5.6/10 | |
Local Dimming | |||
Local Dimming | 10/10 | 6/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 2.0 | 2.0 | |
Speaker Power | |||
Speaker Power | 20 W | 20 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | Yes | Yes | |
Get a great deal on the LG B4 (OLED) or the Vizio Quantum Pro (LCD)
About LG
LG, a prominent TV brand from Korea, has played a significant role in popularizing OLED TVs. OLED technology is hailed as the future of TV technology. Their TVs employ WebOS, a proprietary smart TV software that not only offers seamless functionality but also includes gaming-specific features, earning praise from players worldwide. Often regarded as the gateway to unparalleled viewing experiences, LG's mid-range OLEDs come highly recommended, making them a worthwhile investment for those willing to stretch their budget for superior quality.
About Vizio
Vizio is an American company. While they initially gained recognition for offering budget-friendly TVs, they have successfully expanded their product lineup to include high-end options as well. They manufacture TVs primarily in Mexico, China, and Vietnam. Similar to many Korean TV brands, Vizio developed its own smart TV software called SmartCast. In the past, SmartCast was not the best smart TV software, but it has evolved so that it is now good for using your TV and connecting to streaming services.
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This information was produced and vetted by the PerfectRec TVs team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest TV information and makes it digestible for you.
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About the TV team
Joe Golden, Ph.D
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
Jaime Roldán
TVs Expert
Jaime is a Colombia-based TV expert. He is an electronics engineer with 8 years of experience in the telecom sector and has been making TV recommendations for 12 years.
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