Sony RX10 III vs Sony RX10 IV
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
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Today's lowest used price at $754 matches the 90-day low. That's 50% of the $1,499 MSRP. Prices are down 5.6% over the last 30 days.
Used prices have been rising recently. Prices are up 11.5% over the last 30 days. The 90-day low was $959, $110 below today. Currently 63% of the $1,699 MSRP.
Quick answers
- Which is cheaper used, the Sony RX10 III or the Sony RX10 IV?
- The Sony RX10 III is cheaper used: $754 against $1,069 for the Sony RX10 IV, a gap of $315 (42%) as of 2026-10-28.
- How much more does the newer Sony RX10 IV cost used?
- $315 more. The Sony RX10 IV (2017) starts at $1,069 used and the Sony RX10 III (2016) at $754 as of 2026-10-28.
- What share of its launch price does a used Sony RX10 III cost?
- About 50%: $754 used against a $1,499 launch price as of 2026-10-28.
Specs side by side
| Sony RX10 III | Sony RX10 IV | |
|---|---|---|
| Brand | Sony | Sony |
| Family | Sony RX | Sony RX |
| Category | body | body |
| Body type | Bridge | Bridge |
| Mount | Fixed Lens | Fixed Lens |
| Sensor | 1-inch | 1-inch |
| Sensor family | Sony 1-inch 20MP stacked (RX10 II/III) · 20.1MP 1-inch Exmor RS stacked CMOS | Sony 1-inch 20MP stacked (RX10 IV) · 20.1MP 1-inch Exmor RS stacked CMOS |
| Megapixels | 20.1 MP | 20.1 MP |
| Autofocus | Contrast Detection | Hybrid |
| IBIS | no | no |
| Weather sealed | No | Yes |
| Max video | 4K30 | 4K30 |
| Max native ISO | ISO 12,800 | ISO 12,800 |
| Body weight | 1051 g | 1095 g |
| Dimensions | 133 × 94 × 127 mm | 133 × 94 × 127 mm |
| Body material | magnesium alloy | magnesium alloy |
| Released | 2016-03-29 | 2017-09-12 |
| Discontinued | — | — |
| Status | likely discontinued | current |
| MSRP | $1,499 | $1,699 |
| Current low | $754 | $1,069 |
| vs MSRP | -50% | -37% |
Dynamic range, head to head
Both sensors plotted on one chart, across the full ISO range. The higher line holds more shadow-to-highlight latitude at that ISO.
Overlay both curves on Photons to PhotosMeasurements by William J. Claff. We link rather than reprint them.
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.