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Canon EOS RP — full-frame · 2019
Canon

Canon EOS RP

full-frame · 2019

80
/ 100
From $1,299
VS
Pentax K-3 Mark III · with 28-75mm kit — APS-C DSLR · 2021
Pentax

Pentax K-3 Mark III · with 28-75mm kit

APS-C DSLR · 2021

80
/ 100
From $2,699
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 · with 28-75mm kit 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 · with 28-75mm kit if…

  • ✓Mature system, great used market
  • ✓Proven lens lineup
  • ✓Often on sale
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Ergonomics

Tie

Compared on the ergonomics sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Photo

Tie

Compared on the photo sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Autofocus

Tie

Compared on the autofocus sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Canon EOS RP

Specdex score per dollar at MSRP

Canon EOS RP more score per dollar ($1,299 vs $2,699).

Canon EOS RP 80
vs
80 Pentax K-3 Mark III · with 28-75mm kit

Score breakdown

Canon EOS RP
80
photo 80
video 72
autofocus 76
ergonomics 86
Pentax K-3 Mark III · with 28-75mm kit
80
photo 80
video 72
autofocus 76
ergonomics 86

Specs side-by-side

Canon EOS RP versus Pentax K-3 Mark III · with 28-75mm kit — full spec comparison
Spec Canon EOS RP Pentax K-3 Mark III · with 28-75mm kit
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 · with 28-75mm kit

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 · with 28-75mm kit

Which is better, Canon EOS RP or Pentax K-3 Mark III · with 28-75mm kit? +

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 · with 28-75mm kit worth the price? +

At $2,699, Pentax K-3 Mark III · with 28-75mm kit delivers a Specdex score of 80 — strongest in ergonomics.

Does Canon EOS RP or Pentax K-3 Mark III · with 28-75mm kit 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.

Which is the better value, Canon EOS RP or Pentax K-3 Mark III · with 28-75mm kit? +

Canon EOS RP — more score per dollar ($1,299 vs $2,699). Specdex score per dollar at MSRP.