Onkyo TX-NR6100 7.2 Channel THX or Onkyo TX–NR5100 7.2-Channel 8K Smart? Which Onkyo Model to Buy
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This comparison of onkyo tx nr6100 7 2 channel thx vs tx nr5100 7 2 channel 8k smart highlights two distinct 7.2-channel receivers. Both units support 8K video and immersive formats like Dolby Atmos and DTS:X. They share a black finish and HDMI 2.1 capabilities. The primary difference lies in power and certification. The TX-NR6100 offers THX Select certification and higher wattage. The TX-NR5100 focuses on gaming enhancements and a smaller footprint. You must decide which specs matter most for your setup.
Key differences
| Aspect | Onkyo 7.2-Channel 8K AV Receiver | Onkyo 7.2-Channel 8K AV Receiver |
|---|---|---|
| Power Output | Not listed | 210 W/Ch |
| Certification | Not listed | THX Select Certified |
| Gaming Features | VRR, ALLM, QFT, 4K/120Hz | Not listed |
| Dimensions (W x H x D) | 17.1 x 6.3 x 12.9 inches | 18.6 x 10.6 x 21 inches |
| Weight | 18.5 pounds | 22.9 pounds |
Which one should you choose?
Choose Onkyo 7.2-Channel 8K AV Receiver if
- You require THX Select certification for verified audio performance.
- You want discrete zone 2 audio and video output.
- You need higher power output at 210 watts per channel.
Verdict: The TX-NR5100 is the better choice for gamers and those with limited cabinet space due to its dedicated gaming features and compact size. The TX-NR6100 suits users who need THX certification, higher power, and multi-zone capabilities. Your decision depends on whether you value gaming enhancements or certified audio power.
Onkyo Receiver Specs Compared
Power output
The Onkyo TX-NR6100 lists a clear power rating of 210 watts per channel. This specification indicates a robust amplification system capable of driving demanding speaker loads with authority. The TX-NR5100 data does not provide a specific wattage figure. Without a published number, you cannot directly compare the raw electrical output potential between these two models. The TX-NR6100 offers concrete data for power, while the TX-NR5100 leaves this detail unspecified in the provided specifications.
Certification standards
The TX-NR6100 carries the THX Select certification. This indicates the unit meets specific industry standards for audio performance in medium-sized rooms. The TX-NR5100 description does not mention any THX certification or similar professional audio validation. For buyers who prioritize verified acoustic performance benchmarks, the TX-NR6100 provides a recognized standard. The TX-NR5100 relies on its feature set without this specific professional endorsement listed in the data.
Physical dimensions
The TX-NR5100 measures 17.1 inches wide, 6.3 inches high, and 12.9 inches long. It weighs 18.5 pounds. The TX-NR6100 is larger, measuring 18.6 inches wide, 10.6 inches high, and 21 inches long, with a weight of 22.9 pounds. The TX-NR5100 offers a more compact footprint for smaller shelves or tight AV rack spaces. The TX-NR6100 requires more physical space due to its larger chassis and heavier build.
Gaming features
The TX-NR5100 explicitly lists enhanced gaming features including Variable Refresh Rate, Auto Low Latency Mode, and Quick Frame Transport. These HDMI 2.1 enhancements are designed to reduce lag and stutter for console gamers. The TX-NR6100 data does not mention these specific gaming optimizations. If you prioritize low-latency gaming performance with detailed feature support, the TX-NR5100 provides clear advantages in this category.
Surround formats
Both receivers support 7.2 channels and key immersive formats like Dolby Atmos and DTS:X. The TX-NR5100 also lists Dolby TrueHD and DTS-HD Master Audio in its features. The TX-NR6100 confirms Dolby Atmos and DTS:X playback. Both units handle modern object-based audio effectively. Since both cover the essential high-resolution surround sound formats required for current media, there is no significant difference in format compatibility based on the provided data.
Which Onkyo Receiver Fits Your Setup
Users needing certified power and zone audio
The TX-NR6100 provides 210 watts per channel and holds THX Select certification. This ensures reliable amplification for demanding speaker loads. It also supports discrete Zone 2 audio and video, allowing you to send sound to a separate room. This model is ideal if you require certified performance and multi-room flexibility.
Gamers prioritizing low latency and fluid motion
The TX-NR5100 includes HDMI 2.1 features designed for gaming. It supports 4K/120Hz pass-through, variable refresh rate, and auto low latency mode. These specs help eliminate lag, stutter, and frame-tearing. If you play next-gen consoles or PCs, these enhancements provide a smoother visual experience with faster response times.
Buyers seeking a compact footprint
The TX-NR5100 measures 17.1 inches wide and weighs 18.5 pounds. It is significantly smaller and lighter than the TX-NR6100, which is 21 inches long and weighs 22.9 pounds. If your entertainment center has limited space, the 5100 offers a more compact design while still delivering 7.2-channel surround sound and 8K video support.
The products compared
Onkyo 7.2-Channel 8K AV Receiver
Best for: Gaming and 8K home theater setups
- Channels
- 7.2-Channel
- Video Resolution
- 8K, 4K/120Hz
- Surround Sound Formats
- Dolby Atmos, DTS: X, Dolby TrueHD
- Color
- Black
- Dimensions
- 12.9 × 17.1 × 6.3 inches
- Weight
- 18.5 pounds
View on Amazon: Onkyo 7.2-Channel 8K AV Receiver Affiliate link
The Onkyo TX-NR5100 is a 7.2-channel AV receiver supporting 8K and 4K/120Hz video. It handles Dolby Atmos and DTS:X for immersive sound. HDMI 2.1 features like VRR and ALLM reduce lag for gaming. It includes eARC for high-bitrate audio from TV apps. This model suits gamers and home theater users wanting modern video passthrough and object-based audio.
Pros
- 7.2-channel amplification for surround sound
- 8K and 4K/120Hz video passthrough
- HDMI 2.1 gaming features including VRR and ALLM
- Supports Dolby Atmos and DTS:X formats
- eARC for high-bitrate audio return
Cons
- No THX certification listed in specifications
- Heavier build at 18.5 pounds
- Larger footprint than compact stereo receivers
Good fit if
- You want 8K video support for future-proofing
- You play next-gen games with VRR and ALLM
- You need 7.2 channels for surround sound
Skip if
- You require THX certification for critical listening
- You prefer a lighter, more compact receiver
- You only need stereo or 5.1 channels
Verdict: Onkyo TX-NR5100 7.2ch 8K Receiver delivers 8K passthrough and gaming features like VRR. It fits gamers and home theater users who need 7.2 channels and modern video support.
Onkyo 7.2-Channel 8K AV Receiver
Best for: THX certified audio and 8K video
- Channels
- 7.2 Channel
- Power Output
- 210 W/Ch
- Video Resolution
- 8K
- Surround Sound Formats
- Dolby Atmos, DTS:X
- Color
- Black
- Dimensions
- 21 × 18.6 × 10.6 inches
View on Amazon: Onkyo 7.2-Channel 8K AV Receiver Affiliate link
This Onkyo TX-NR6100 delivers 210 W/Ch of THX Certified Select Dynamic Audio Amplification. It supports 7.2 channels with Dolby Atmos and DTS:X playback. The unit features three HDMI 2.1 inputs for 8K video resolution. You get discrete zone 2 audio and video for multi-room listening. This receiver suits you if you prioritize certified audio performance and high-bandwidth video switching in a single chassis.
Pros
- 210 W/Ch THX Certified Select Dynamic Audio Amplification
- Supports 5.2.2-channel Dolby Atmos and DTS:X playback
- Three HDMI 2.1 inputs for 8K video resolution
- Discrete Zone 2 Audio and Video output
Cons
- Heavier build at 22.9 pounds
- Larger footprint at 21 inches wide
- Only three HDMI inputs available
Good fit if
- You want THX Certified audio performance
- You need 8K video pass-through
- You require discrete zone 2 audio
Skip if
- You need more than three HDMI inputs
- You prefer a lighter or smaller unit
- You do not require THX certification
Verdict: Onkyo TX-NR6100 7.2-Channel THX Receiver offers certified power and 8K support for home theater enthusiasts who value rigorous audio standards.
Specifications side by side
| Spec | Onkyo 7.2-Channel 8K AV Receiver | Onkyo 7.2-Channel 8K AV Receiver |
|---|---|---|
| Channels | 7.2-Channel | 7.2 Channel |
| Power Output | not stated | 210 W/Ch |
| Video Resolution | 8K, 4K/120Hz | 8K |
| Surround Sound Formats | Dolby Atmos, DTS: X, Dolby TrueHD | Dolby Atmos, DTS:X |
| Color | Black | Black |
| Dimensions | 12.9 × 17.1 × 6.3 inches | 21 × 18.6 × 10.6 inches |
| Weight | 18.5 pounds | 22.9 pounds |
| Model | TX-NR5100 | TXNR6100M2BMMP |
Frequently asked questions
Which receiver is better for gaming?
The Onkyo TX-NR5100 is the better choice for gaming. It delivers 8K passthrough and supports Variable Refresh Rate (VRR). These features help reduce input lag and screen tearing. The TX-NR6100 also supports 8K video but lacks the specific gaming-focused VRR mention. Gamers will benefit more from the TX-NR5100’s dedicated video enhancements.
Does the TX-NR6100 have THX certification?
Yes, the Onkyo TX-NR6100 holds THX Select certification. This certification ensures the receiver meets rigorous audio standards for power and accuracy. It provides 210 watts per channel of output. This makes it suitable for larger rooms or demanding speaker loads. The TX-NR5100 does not list THX certification in its specifications.
What is the size difference between the two models?
The TX-NR6100 is physically larger than the TX-NR5100. The TX-NR6100 measures 21 inches in length, 18.6 inches in width, and 10.6 inches in height. It weighs 22.9 pounds. The TX-NR5100 is more compact at 12.9 inches long, 17.1 inches wide, and 6.3 inches high. It weighs 18.5 pounds.
Do both receivers support 7.2 channels?
Yes, both the TX-NR6100 and TX-NR5100 feature 7.2-channel configurations. This allows you to connect seven main speakers plus a subwoofer. You can also add a second subwoofer for enhanced bass. This setup supports immersive formats like Dolby Atmos and DTS:X for a complete home theater experience.
Is 8K video support included in both units?
Yes, both receivers support 8K video resolution. They utilize HDMI 2.1 connections to handle high-bandwidth video signals. This allows you to pass through 8K content from compatible sources like Blu-ray players or gaming consoles. The TX-NR5100 emphasizes this with its 8K Smart branding.
Which model is heavier?
The Onkyo TX-NR6100 is the heavier unit. It weighs 22.9 pounds due to its larger chassis and internal components. The TX-NR5100 weighs 18.5 pounds. The extra weight in the TX-NR6100 may contribute to its higher power output and THX certification requirements.