# Portkeys BM5 III 5.5in Touchscreen Monitor vs Desview R7III 7in High-Bright HDMI Monitor: specs and price compared

A sourced, side-by-side comparison of the Portkeys BM5 III 5.5in Touchscreen Monitor (Portkeys) and Desview R7III 7in High-Bright HDMI Monitor (Desview) among on camera monitors. Desview R7III 7in High-Bright HDMI Monitor is the cheaper of the two at $269.

## Side by side

| Spec | Portkeys BM5 III 5.5in Touchscreen Monitor | Desview R7III 7in High-Bright HDMI Monitor |
| --- | --- | --- |
| US price | $499 | $269 |
| Brand | Portkeys | Desview |
| Screen size (in) | 5.5 | 7 |
| Resolution | 1920x1080 | 1920x1200 |
| Brightness (nits) | 2200 | 2800 |
| HDMI sdi io | 1x 3G-SDI in, 1x HDMI in, 1x 3G-SDI out (cross-conversion) | HDMI in/out (4K60P signal input and 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 NP-F battery plate |
| Weight (g) | 351 | — |

## Key differences

- Screen size (in): Portkeys BM5 III 5.5in Touchscreen Monitor 5.5 vs Desview R7III 7in High-Bright HDMI Monitor 7
- Resolution: Portkeys BM5 III 5.5in Touchscreen Monitor 1920x1080 vs Desview R7III 7in High-Bright HDMI Monitor 1920x1200
- Brightness (nits): Portkeys BM5 III 5.5in Touchscreen Monitor 2200 vs Desview R7III 7in High-Bright HDMI Monitor 2800
- HDMI sdi io: Portkeys BM5 III 5.5in Touchscreen Monitor 1x 3G-SDI in, 1x HDMI in, 1x 3G-SDI out (cross-conversion) vs Desview R7III 7in High-Bright HDMI Monitor HDMI in/out (4K60P signal input and loop-out); no SDI
- Touchscreen: Portkeys BM5 III 5.5in Touchscreen Monitor Yes vs Desview R7III 7in High-Bright HDMI Monitor No
- Battery mount: Portkeys BM5 III 5.5in Touchscreen Monitor Built-in Sony NP-F style battery plate vs Desview R7III 7in High-Bright HDMI Monitor Dual NP-F battery plate

## Sources

- Portkeys BM5 III 5.5in Touchscreen Monitor: https://www.portkeys.com/products/bm5-iii (portkeys.com, verified 2026-08-12)
- Desview R7III 7in High-Bright HDMI Monitor: https://www.desview.net/collections/hdmi-on-camera-monitor-1/products/r7iii (desview.net, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/on-camera-monitors/portkeys-bm5-iii-vs-desview-r7iii/
Cite: Per The Front Desk Review, Portkeys BM5 III 5.5in Touchscreen Monitor ($499) vs Desview R7III 7in High-Bright HDMI Monitor ($269) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/on-camera-monitors/portkeys-bm5-iii-vs-desview-r7iii/
License: CC BY 4.0.