Canon
Canon EOS RP
full-frame · 2019
80
/ 100
From $1,299
VS
Pentax
Pentax K-3 Mark III
APS-C DSLR · 2021
80
/ 100
From $1,999
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Canon EOS RP lands at 80 and Pentax K-3 Mark III at 80. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Canon EOS RP if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Pick Pentax K-3 Mark III if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Canon EOS RP 80
vs 80 Pentax K-3 Mark III
Score breakdown
Canon EOS RP
80 photo 80
video 72
autofocus 76
ergonomics 86
Pentax K-3 Mark III
80 photo 80
video 72
autofocus 76
ergonomics 86
Specs side-by-side
| Spec | Canon EOS RP | Pentax K-3 Mark III |
|---|---|---|
| Format | full-frame | APS-C DSLR |
| Release year | 2019 | 2021 |
Canon EOS RP
Pros
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
Cons
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
Pentax K-3 Mark III
Pros
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
Cons
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
FAQ: Canon EOS RP vs Pentax K-3 Mark III
Which is better, Canon EOS RP or Pentax K-3 Mark III? +
Both score 80 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Canon EOS RP worth the price? +
At $1,299, Canon EOS RP delivers a Specdex score of 80 — strongest in ergonomics.
Is Pentax K-3 Mark III worth the price? +
At $1,999, Pentax K-3 Mark III delivers a Specdex score of 80 — strongest in ergonomics.
Does Canon EOS RP or Pentax K-3 Mark III last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.