UPERFECT
UPERFECT 14" 3K OLED (M140B03W)
$239.99Cheaper
Released 2023
Best Portable Monitors · head-to-head
UPERFECT 14" 3K OLED (M140B03W) vs espresso Display 15 Pro 4K
A sourced, side-by-side comparison. UPERFECT 14" 3K OLED (M140B03W) is cheaper at $239.99. Every spec and price links to its source.
espresso
espresso Display 15 Pro 4K
$699
Released 2023
Which is better: the UPERFECT 14" 3K OLED (M140B03W) or espresso Display 15 Pro 4K?
The UPERFECT 14" 3K OLED (M140B03W) wins 2 of the 2 specs we compare head to head; the other wins 0. The UPERFECT 14" 3K OLED (M140B03W) is the cheaper at $239.99. The UPERFECT 14" 3K OLED (M140B03W) both leads on specs and costs less — the straightforward pick.
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Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
| Release | 2023 | 2023 |
Sources — UPERFECT 14" 3K OLED (M140B03W): newegg.com (verified 2026-06-15). espresso Display 15 Pro 4K: newegg.com (verified 2026-06-15).
What's the difference between the UPERFECT 14" 3K OLED (M140B03W) and espresso Display 15 Pro 4K?
Where the two actually differ on the specs we track (7 of 7). Matching specs are omitted.
- 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) false vs espresso Display 15 Pro 4K true
- Weight (lb): UPERFECT 14" 3K OLED (M140B03W) 1.54 vs espresso Display 15 Pro 4K 1.76
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
UPERFECT 14" 3K OLED (M140B03W)
No sourced tester review yet.
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, 3 lab-tested.)
Praised: Bright, sharp, color-accurate 4K display; Premium anodised aluminum build quality; Versatile magnetic Stand+ with flexible positioning.
Flagged: High $699 price; Tinny, weak built-in speakers; 60Hz refresh rate limits gaming/video editing.