# UPERFECT 14" 3K OLED (M140B03W) vs espresso Display 15 Pro 4K: specs and price compared

A sourced, side-by-side comparison of the UPERFECT 14" 3K OLED (M140B03W) (UPERFECT) and espresso Display 15 Pro 4K (espresso) among portable monitors. UPERFECT 14" 3K OLED (M140B03W) is the cheaper of the two at $239.99.

## Side by side

| Spec | UPERFECT 14" 3K OLED (M140B03W) | espresso Display 15 Pro 4K |
| --- | --- | --- |
| US price | $239.99 | $699 |
| Brand | UPERFECT | espresso |
| Released | 2023 | 2023 |
| Size (in) | 14 | 15 |
| Resolution | 2880x1800 | 3840x2160 |
| Panel type | OLED | IPS |
| Refresh (Hz) | 120 | 60 |
| Ports | 1x USB-C, 1x Mini-HDMI | 2x USB-C |
| Touchscreen | No | Yes |
| Weight (lb) | 1.54 | 1.76 |

## Key differences

- Size (in): UPERFECT 14" 3K OLED (M140B03W) 14 vs espresso Display 15 Pro 4K 15
- Resolution: UPERFECT 14" 3K OLED (M140B03W) 2880x1800 vs espresso Display 15 Pro 4K 3840x2160
- Panel type: UPERFECT 14" 3K OLED (M140B03W) OLED vs espresso Display 15 Pro 4K IPS
- Refresh (Hz): UPERFECT 14" 3K OLED (M140B03W) 120 vs espresso Display 15 Pro 4K 60
- Ports: UPERFECT 14" 3K OLED (M140B03W) 1x USB-C, 1x Mini-HDMI vs espresso Display 15 Pro 4K 2x USB-C
- Touchscreen: UPERFECT 14" 3K OLED (M140B03W) No vs espresso Display 15 Pro 4K Yes
- Weight (lb): UPERFECT 14" 3K OLED (M140B03W) 1.54 vs espresso Display 15 Pro 4K 1.76

## What reviewers say

**espresso Display 15 Pro 4K** — Three whitelisted testers (Tom's Hardware, Engadget, TechRadar) hands-on-reviewed the espresso 15 Pro and all recommend it as a premium 4K portable monitor, praising a bright, color-accurate display, anodised aluminum build, and a versatile magnetic Stand+. All three flag the steep $699 price. Two (Tom's Hardware, TechRadar) criticize weak built-in speakers, and two note the 60Hz cap limits gaming/video editing. Engadget, notably, never discusses the speakers. Every quote and measured value was verified as a literal substring of the fetched source text. (3 sourced reviews.)

## Sources

- UPERFECT 14" 3K OLED (M140B03W): https://www.newegg.com/p/pl?d=uperfect+14+oled+portable+monitor+2880x1800 (newegg.com, verified 2026-06-15)
- espresso Display 15 Pro 4K: https://www.newegg.com/p/pl?d=espresso+display+15+pro+4k+touch (newegg.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/portable-monitors/uperfect-14-3k-oled-vs-espresso-display-15-pro-4k/
Cite: Per The Front Desk Review, UPERFECT 14" 3K OLED (M140B03W) ($239.99) vs espresso Display 15 Pro 4K ($699) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-monitors/uperfect-14-3k-oled-vs-espresso-display-15-pro-4k/
License: CC BY 4.0.