
Sony UBP-X700
Score: 82/100
Panasonic UB420
Score: 82/100Rankings

The Sony UBP-X700 is a compact 4K Ultra HD Blu-ray player delivering HDR10, Dolby Vision, and immersive Dolby Atmos/DTS:X audio. It lacks Bluetooth and only supports single-band Wi-Fi, limiting wireless convenience. Ideal for home-theater enthusiasts who prioritize premium video and audio in a slim chassis.

The Panasonic DP-UB420 is a 4K Ultra HD Blu-ray player delivering HDR10+ video and high-resolution audio with built-in Wi-Fi and voice control. It does not carry ENERGY STAR certification and its USB storage is capped at 4 TB. Perfect for home-theater enthusiasts prioritizing picture and sound quality.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 1,905 g | 1,400 gbest |
60 Hzbest | — | |
1 | 2best | |
2best | 2best | |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Ports(1) | ||
USB Ports | 1 | 2 |
Build & Design(2) | ||
Weight (g) | 1905 g | 1400 g |
Dimensions (W×H×D) (mm) | 320×45×217 mm mm | 267x95x374 mm |


Products in the top-left offer the best value (high score, low price).

Professional editors commend the UBP-X700 for its premium 4K HDR delivery, sharp upscaling, Dolby Vision support, and the clever dual-HDMI setup that separates video and audio signals for optimal playback, while noting the trade-off of reduced Wi-Fi capability and missing Bluetooth.

Professional reviewers praise the DP-UB420 for its HCX processor that delivers filmmaker-intended 4K/HDR quality, precise color reproduction, and HDR10+ support. They highlight the HDR Optimizer for TV-matching brightness, twin HDMI outputs for pure-audio paths, and extensive high-resolution audio decoding as premium strengths, calling it a compact player with uncompromising picture and sound. The lack of ENERGY STAR certification and gaming features are noted as minor drawbacks.
Everyday users appreciate the reliable built-in Wi-Fi for streaming and firmware updates, the cinema-like 4K HDR playback, and the convenience of voice control. They also value the ability to attach large external hard drives for extensive media collections. No major complaints surface beyond the expected limitations of a dedicated media player.
“built-in Wi-Fi works reliably for streaming/firmware”
