Portkeys
Portkeys BM5 III 5.5in Touchscreen Monitor
$499
Best On Camera Monitors · head-to-head
Portkeys BM5 III 5.5in Touchscreen Monitor vs Lilliput A5 5in Camera-Top HDMI Monitor
A sourced, side-by-side comparison. Portkeys BM5 III 5.5in Touchscreen Monitor is cheaper at $499. Every spec and price links to its source.
Which is better: the Portkeys BM5 III 5.5in Touchscreen Monitor or Lilliput A5 5in Camera-Top HDMI Monitor?
They split the 2 specs we compare evenly.
See Portkeys BM5 III 5.5in Touchscreen Monitor on Amazon See Lilliput A5 5in Camera-Top HDMI Monitor on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
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 | Portkeys BM5 III 5.5in Touchscreen Monitor |  Lilliput A5 5in Camera-Top HDMI Monitor |
|---|---|---|
| US price | $499 Current price on portkeys.com | — |
| Brand | Portkeys | Lilliput |
| Released | — | — |
| Screen size (in) | 5.5 | 5 |
| Resolution | 1920x1080 | 1920x1080 |
| Brightness (nits) | 2200 | 400 |
| HDMI sdi io | 1x 3G-SDI in, 1x HDMI in, 1x 3G-SDI out (cross-conversion) | 1x HDMI 1.4 in (accepts up to 4096x2160 passthrough), 1x HDMI 1.4 loop out; no SDI |
| HDR lut support | 3D LUT monitoring/output; custom LUT load via USB-A | — |
| Touchscreen | Yes | No |
| Battery mount | Built-in Sony NP-F style battery plate | Dual-purpose plate: Sony NP-F series and Canon LP-E6; hot-shoe camera mount |
| Weight (g) | 351 | 118 |
Sources — Portkeys BM5 III 5.5in Touchscreen Monitor: portkeys.com (verified 2026-08-12). Lilliput A5 5in Camera-Top HDMI Monitor: lilliput.com (verified 2026-08-12).
What's the difference between the Portkeys BM5 III 5.5in Touchscreen Monitor and Lilliput A5 5in Camera-Top HDMI Monitor?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Screen size (in): Portkeys BM5 III 5.5in Touchscreen Monitor 5.5 vs Lilliput A5 5in Camera-Top HDMI Monitor 5
- Brightness (nits): Portkeys BM5 III 5.5in Touchscreen Monitor 2200 vs Lilliput A5 5in Camera-Top HDMI Monitor 400
- HDMI sdi io: Portkeys BM5 III 5.5in Touchscreen Monitor 1x 3G-SDI in, 1x HDMI in, 1x 3G-SDI out (cross-conversion) vs Lilliput A5 5in Camera-Top HDMI Monitor 1x HDMI 1.4 in (accepts up to 4096x2160 passthrough), 1x HDMI 1.4 loop out; no SDI
- Touchscreen: Portkeys BM5 III 5.5in Touchscreen Monitor true vs Lilliput A5 5in Camera-Top HDMI Monitor false
- Battery mount: Portkeys BM5 III 5.5in Touchscreen Monitor Built-in Sony NP-F style battery plate vs Lilliput A5 5in Camera-Top HDMI Monitor Dual-purpose plate: Sony NP-F series and Canon LP-E6; hot-shoe camera mount
- Weight (g): Portkeys BM5 III 5.5in Touchscreen Monitor 351 vs Lilliput A5 5in Camera-Top HDMI Monitor 118