TCL R648 Specs, Review and Pros & Cons : TCL’s 2021 6-Series with 8K UHD Resolution and Mini-LED Backlight

TCL R648 is introduced as TCL’s 2021 6-Series with 8K UHD resolution. As part of TCL’s 2021 6-Series, TCL R648 already comes with Mini-LED backlight and QLED display. There are two screen size options available for TCL R648 : 75-Inch (75R648) and 65-Inch (65R648). In this article, we will take a look at the specs and features of TCL R648 then shortly review it and find out its pros and cons to find out whether it’s a good choice for 8K UHD Smart TV.

TCL R648 Specifications

Let’s take a look at the key specs and features of TCL R648 in the table of specs and features below.

Key Features
Resolution 8K UHD (7680 × 4320)
Screen Size Options
  • 75-Inch (75R648)
  • 65-Inch (65R648)
Display Technology LED
Panel Type VA
Upscaling Technology Smart 8K Upscaling
Backlight Technology Mini-LED
Color Technology Quantum Dot Color
Dimming Technology Local Dimming (Contrast Control Zones)
HDR Support
  • Dolby Vision
  • HDR10
  • HLG
Refresh Rate Technology Natural Motion 480 (120Hz Native)
Gaming Technology
  • G-SYNC
  • FreeSync
  • VRR (Variable Refresh Rate)
  • ALLM (Auto Low Latency Mode)
  • THX Certified Game Mode
Picture Engine AiPQ Engine
Smart TV
Platform Roku TV
Application Store Roku Channel Store
Compatibility
  • Google Assistant
  • Amazon Alexa
  • Apple Siri
Remote Control RC580 (Voice Enabled Remote Control)
Connections
HDMI/USB
  • 4 HDMI (2 HDMI 2.1)
  • 1 USB 2.0
HDMI Type HDMI 2.1 & HDMI 2.0
eARC Support YES (1 HDMI port)
Built-in Wi-Fi 802.11ac 2×2 Dual Band (support 2.4GHz & 5GHz)
AV Input No
Audio Output (RCA) No
RF Input (NTSC, ATSC) 1
Ethernet 1
SPDIF Digital Audio Optical 1
Audio Output Headphone 1
Audio
Audio Power 15W x 2 Speakers + 30W Subwoofer
Audio Passthrough Dolby Atmos / Dolby Digital Plus / Dolby Digital / PCM
Dolby Processing Dolby Atmos / Dolby Digital Plus
HDMI Audio Return Channel eARC (Enhanced Audio Return Channel)
Dimensions (estimation)
Product Size Without Stand (W x H x D)
  • 75-Inch (75R648) : 65.9″ x 37.6″ x 3.0″
  • 65-Inch (65R648) : 57″ x 32.7″ x 3.0″
Product Size With Stand (W x H x D)
  • 75-Inch (75R648) : 65.9″ x 40.1″ x 12″
  • 65-Inch (65R648) : 57″ x 35.1″ x 12″
Weight (estimation)
Product Weight Without Stand
  • 75-Inch (75R648) : 89.3 lbs
  • 65-Inch (65R648) : 70.1 lbs
Product Weight With Stand
  • 75-Inch (75R648) : 92.6 lbs
  • 65-Inch (65R648) : 72.8 lbs
Power
Power Supply (Voltage, Hz) AC 120V, 50/60Hz
Estimated Annual Electricity Use
  • 75-Inch (75R648) : 625 kWh
  • 65-Inch (65R648) : 425 kWh
Price
75-Inch (75R648) Check Today’s Price (BestBuy.com)…
65-Inch (65R648) Check Today’s Price (Walmart.com)…

TCL R648 Review

TCL R648

TCL R648

TCL R648 is introduced as 8K UHD TV series as part of TCL’s 2021 6-Series. It comes with Mini-LED backlight that completed with contrast control zones to brings excellent contrast vibrancy across its LED screen. TCL R648 also comes with QLED display so that we can enjoy rich and accurate color details on the screen of this TV. 8K UHD resolution of TCL R648 is completed with Smart 8K Upscaling so that we can enjoy excellent picture clarity not only from original 8K content sources but also from non 8K contents that upscaled into near 8K picture quality. TCL R648 is powered by AiPQ Picture Engine. Besides its ability to delivers smart 8K Upscaling, AiPQ Engine is also able to enhances the color, contrast and clarity of the picture delivered on the screen of this TV. We can enjoy enhanced details and expanded contrast from wide range of HDR content sources on the screen of TCL R648 since it already supports Dolby Vision, HDR10 and HLG. The motion technology integrated with TCL R648 is Natural Motion 480. It’s based on 120Hz native refresh rate that allows us to enjoy fluid motion images from our favorite action movies and sports. It also allows us to enjoy minimum input lag when we use this TV as our gaming monitor. TCL R648 already comes with THX Certified Game Mode that supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), FreeSync and G-Sync while also completed with HDMI 2.1 to bring more immersive gaming experience when we use this TV as our gaming monitor. The operating system integrated with TCL R648 is Roku TV that allows us to enjoy wide range of HDR content sources from our favorite content providers with fast internet connection from 802.11ac dual band wireless. The remote control that included with TCL R648 is RC580 Voice Enabled Remote Control that allows us to control this TV conveniently with our voice. We can also use Google Assistant, Amazon Alexa and Apple Siri to control this TV since they are already supported. TCL R648 comes with 15W x 2 Speakers audio power output with 30W Subwoofer that allows us to enjoy good sound quality. We can also setup more advanced AV system to enjoy higher quality audio formats since TCL R648 already comes with eARC (Enhanced Audio Return Channel).

TCL R648 Prices
75-Inch (75R648) Check Today’s Price (BestBuy.com)…
65-Inch (65R648) Check Today’s Price (Walmart.com)…

TCL R648 Pros & Cons

We can talk more about pros and cons of TCL R648 based on its specs and features as well as our review above.

Pros

1. Excellent Contrast with High Peak Brightness

TCL R648 comes with Mini LED backlight that completed with contrast control zones on top of VA Panel. Mini LED Backlight with Contrast Control Zones allows us to enjoy excellent contrast across the LED screen of TCL R648. It’s also able to delivers high peak brightness using its VA panel.

2. Rich Color Details

TCL R648 comes with Quantum Dot Color on top of its QLED display. Quantum Dot Color is able to delivers Wide Color Gamut so that we can enjoy rich and accurate color details on the screen of this TV.

3. Wide HDR Support

TCL R648 already supports HDR10, Dolby Vision and HLG. Since It already supports HDR10, Dolby Vision and HLG, we can enjoy enhanced details and expanded contrast from wide range of HDR content sources.

4. Great Motion Handling and Low Input Lag

The motion technology of TCL R648 is Natural Motion 480 that based on 120Hz native refresh rate. Natural Motion 480 that based on 120Hz native refresh rate is able to delivers great motion handling for our favorite action movies and sports. It also allows us to enjoy low input lag when we use this TV as our gaming monitor.

5. Advanced Gaming Technology

While it’s able to delivers low input lag with Natural Motion 480 that based on 120Hz native refresh rate, we can also find that TCL R648 also supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), FreeSync and G-Sync while it’s also completed with HDMI 2.1 and already THX Certified Game Mode. With those advanced gaming technology, we can enjoy immersive gaming experience when we use TCL R648 to play our favorite action games.

Cons

1. Quite Limited Viewing Angle

TCL R648 comes with VA panel. While VA panel is able to delivers good contrast vibrancy, it’s quite limited when it comes to viewing angle. We can also find that there’s no additional technology integrated with TCL R648 to brings better viewing angle.

2. No WiFi 6

With 8K UHD resolution, we can find that TCL R648 still doesn’t come with 802.11ax (WiFi 6). WiFi 6 is the latest wireless technology that can delivers faster internet connection. Since 8K UHD resolution requite higher data transferred, it’s for sure a better idea to use Wifi 6 (802.11ax) than the previous WiFi 5 (802.11ac).

We can summarize the pros and cons of TCL R648 with the table below.

TCL R648 Pros & Cons
PROS CONS
  • Excellent Contrast Ratio
  • High Peak Brightness
  • Rich Color Details
  • Wide HDR Support
  • Great Motion Handling and Low Input Lag
  • Advanced Gaming Technology
  • Quite Limited Viewing Angle
  • No WiFi 6

Is It a Good Choice?

We have talked about TCL R648 review, look at its specs and features as well as its pros and cons. Is it a good choice for 8K UHD smart TV? Basically, TCL R48 is a good choice for 8K UHD Smart TV as it’s offered at relatively affordable price while can delivers excellent contrast, high peak brightness, Wide Color Gamut, Wide HDR support, great motion handling, low input lag and advanced gaming technology. We can indeed find small cons like quite limited viewing angle with VA panel and the absent of WiFi 6. For sure, we should prepare more budget than the 4K UHD TV of TCL 6-Series.

TCL R648 Prices
75-Inch (75R648) Check Today’s Price (BestBuy.com)…
65-Inch (65R648) Check Today’s Price (Walmart.com)…

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