As well as being compared against other entry-level DSLRs, the Pentax K-3 is also often compared to pro DSLRs, mirrorless and compacts. The Pentax K-3's top rivals come from Pentax (such as the K-5 and the Q-S1) and Nikon (such as the D750 and the D7100)

compared toEntry-level DSLR competitors

Pentax K-5

Pentax K-5
3 years older
$331 (body only)

Significant advantages of the K-5 (vs the K-3)

  • None found

Significant disadvantages of the K-5 (vs the K-3)

  • None found

common strengths of the K-5 and K-3

  • None found

Canon EOS 80D

Canon EOS 80D
2 years newer
$872 - $999 (body only)
$870 - $1,149 18-55mm lens

Significant advantages of the EOS 80D (vs the K-3)

  • None found

Significant disadvantages of the EOS 80D (vs the K-3)

  • None found

common strengths of the EOS 80D and K-3

  • None found

Nikon D7100

Nikon D7100
7 months older
$709 (body only)
$1,097 18-55mm lens

Significant advantages of the D7100 (vs the K-3)

  • None found

Significant disadvantages of the D7100 (vs the K-3)

  • None found

common strengths of the D7100 and K-3

  • None found

Pentax K-70

Pentax K-70
2 years newer
$595 (body only)
$672 - $715 18-55mm lens

Significant advantages of the K-70 (vs the K-3)

  • None found

Significant disadvantages of the K-70 (vs the K-3)

  • None found

common strengths of the K-70 and K-3

  • None found

Pentax K-50

Pentax K-50
3 months older
$1,444 18-55mm lens

Significant advantages of the K-50 (vs the K-3)

  • None found

Significant disadvantages of the K-50 (vs the K-3)

  • None found

common strengths of the K-50 and K-3

  • None found

Pentax KP

Pentax KP
3 years newer
$797 (body only)
$914 50mm lens

Significant advantages of the KP (vs the K-3)

  • None found

Significant disadvantages of the KP (vs the K-3)

  • None found

common strengths of the KP and K-3

  • None found

compared toPro DSLR competitors

Nikon D750

Nikon D750
1 year newer
$1,149 - $1,297 (body only)
$1,797 24-120mm lens

Significant advantages of the D750 (vs the K-3)

  • None found

Significant disadvantages of the D750 (vs the K-3)

  • None found

common strengths of the D750 and K-3

  • None found

Canon EOS 5D Mark II

Canon EOS 5D Mark II
5 years older
$2,311 24-105mm lens

Significant advantages of the 5D Mark II (vs the K-3)

  • None found

Significant disadvantages of the 5D Mark II (vs the K-3)

  • None found

common strengths of the 5D Mark II and K-3

  • None found

Canon EOS 7D Mark II

Canon EOS 7D Mark II
6 months older
$949 - $1,399 (body only)
$1,275 - $1,799 18-135mm lens

Significant advantages of the 7D Mark II (vs the K-3)

  • None found

Significant disadvantages of the 7D Mark II (vs the K-3)

  • None found

common strengths of the 7D Mark II and K-3

  • None found

Canon EOS 7D

Canon EOS 7D
4 years older
$1,099 (body only)
$1,418 18-135mm lens

Significant advantages of the 7D (vs the K-3)

  • None found

Significant disadvantages of the 7D (vs the K-3)

  • None found

common strengths of the 7D and K-3

  • None found

Canon EOS 5D Mark IV

Canon EOS 5D Mark IV
2 years newer
$2,219 - $2,999 (body only)
$2,558 - $3,899 24-105mm lens

Significant advantages of the 5D Mark IV (vs the K-3)

  • None found

Significant disadvantages of the 5D Mark IV (vs the K-3)

  • None found

common strengths of the 5D Mark IV and K-3

  • None found

Canon EOS 6D

Canon EOS 6D
1 year older
$999 - $1,499 (body only)
$1,330 - $1,899 24-105mm lens

Significant advantages of the 6D (vs the K-3)

  • None found

Significant disadvantages of the 6D (vs the K-3)

  • None found

common strengths of the 6D and K-3

  • None found

compared toMirrorless interchangeable-lens competitors

Generally, some of the advantages of the Pentax K-3 compared to mirrorless interchangeable-lens competitors include: it has a much larger screen (3.2" vs 3"), has a slightly higher resolution screen (1,037k dots vs 460k dots), has higher quality type of viewfinder (pentaprism vs none), has better image stabilization (sensor shift vs none) and takes slightly higher resolution photos (24.1 MP vs 15.9 MP).

However, on average it records higher quality movies (1080p @ 30fps vs 1080p @ 60fps), slightly smaller viewfinder (0.62x vs 0.73x), slightly lower maximum light sensitivity (51,200 ISO vs 409,600 ISO), doesn't have a touch screen and doesn't have a screen which flips out.

Pentax Q-S1

Pentax Q-S1
10 months newer
$333 5-15mm lens

Significant advantages of the Q-S1 (vs the K-3)

  • Much smaller: Compact (105×58×34 mm) vs Professional size (131×100×77 mm)
  • Much lighter: 203 g vs 800 g
  • Much thinner: 1.3" vs 3"

Significant disadvantages of the Q-S1 (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • Much lower resolution screen: 460k dots vs 1,037k dots
  • No viewfinder: None vs Pentaprism

common strengths of the Q-S1 and K-3

  • Both have a built-in lens focus motor, which is uncommon in cameras similar to these
  • Inexpensive: $332.96 vs $817.68
  • Each has a built-in flash

Fujifilm X-T2

Fujifilm X-T2
2 years newer
$939 - $1,099 (body only)
$1,404 - $1,499 18-55mm lens

Significant advantages of the X-T2 (vs the K-3)

  • Has a flip-out screen
  • Significantly larger viewfinder: 0.76x vs 0.62x
  • Significantly more focus points: 325 vs 27

Significant disadvantages of the X-T2 (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • Doesn't have a built-in focus motor
  • Has fewer storage slots: 1 vs 2

common strengths of the X-T2 and K-3

  • Weather sealed
  • Both use faster phase detection autofocus: Phase detection vs Phase detection
  • Have external mic jacks

Fujifilm X-T3

Placeholder
4 years newer
$1,399 (body only)
$1,699 18-55mm lens

Significant advantages of the X-T3 (vs the K-3)

  • Has a touch screen
  • Has a flip-out screen
  • Many more focus points: 425 vs 27

Significant disadvantages of the X-T3 (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • Doesn't have a built-in focus motor
  • Has a digital viewfinder: Digital vs Pentaprism

common strengths of the X-T3 and K-3

  • Weather sealed
  • Both use faster phase detection autofocus: Phase detection vs Phase detection
  • Have external mic jacks

Sony Alpha A6000

Sony Alpha A6000
4 months newer
$379 - $498 (body only)
$479 - $598 16-50mm lens

Significant advantages of the A6000 (vs the K-3)

  • Better image stabilization:
    1. Lens
    vs
    1. Sensor shift
  • Continuous video focus
  • Has a flip-out screen

Significant disadvantages of the A6000 (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • Doesn't have a built-in focus motor
  • Has fewer storage slots: 1 vs 2

common strengths of the A6000 and K-3

  • Have external mic jacks
  • Inexpensive: $379.00 vs $817.68
  • Each has a built-in flash

Sony A7S

Sony A7S
6 months newer
$1,998 (body only)
$2,598 28-70mm lens

Significant advantages of the A7S (vs the K-3)

  • Better maximum light sensitivity: 409,600 ISO vs 51,200 ISO
  • Has a flip-out screen
  • Smaller: Standard size (127×94×48 mm) vs Professional size (131×100×77 mm)

Significant disadvantages of the A7S (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • No image stabilization: None vs
    1. Sensor shift
  • Doesn't have a built-in focus motor

common strengths of the A7S and K-3

  • Weather sealed
  • Have external mic jacks

Olympus OM-D E-M5 II

Olympus OM-D E-M5 II
1 year newer
$826 (body only)
$1,058 12-40mm lens

Significant advantages of the E-M5 II (vs the K-3)

  • Has a touch screen
  • Has a flip-out screen
  • Significantly smaller: Standard size (124×85×45 mm) vs Professional size (131×100×77 mm)

Significant disadvantages of the E-M5 II (vs the K-3)

  • Much smaller screen: 3" vs 3.2"
  • Doesn't have a built-in focus motor
  • Has fewer storage slots: 1 vs 2

common strengths of the E-M5 II and K-3

  • Weather sealed
  • Many lenses available: 108 lenses vs 113 lenses
  • Have external mic jacks

compared toCompact competitors

Generally, some of the advantages of the Pentax K-3 compared to compact competitors include: it has a much larger screen (3.2" vs 1.5"), has a much higher resolution screen (1,037k dots vs 123k dots), has image stabilization (sensor shift vs none), takes much higher resolution photos (24.1 MP vs 3.1 MP) and much higher maximum light sensitivity (51,200 ISO vs 400 ISO).

However, on average it is much larger (professional size (131×100×77 mm) vs compact (98×58×23 mm)), is thicker (3" vs 0.9") and is much heavier (800 g vs 125 g).

Sony Cyber-shot DSC-P8

Sony Cyber-shot DSC-P8
10 years older

Significant advantages of the DSC-P8 (vs the K-3)

  • Much smaller: Compact (105×52×36 mm) vs Professional size (131×100×77 mm)
  • Much lighter: 206 g vs 800 g
  • Much thinner: 1.4" vs 3"

Significant disadvantages of the DSC-P8 (vs the K-3)

  • Much smaller screen: 1.5" vs 3.2"
  • Worse maximum light sensitivity: 400 ISO vs 51,200 ISO
  • No image stabilization: None vs
    1. Sensor shift

common strengths of the DSC-P8 and K-3

  • Viewfinders: Tunnel vs Pentaprism

Kodak EasyShare M550

Kodak EasyShare M550
3 years older

Significant advantages of the M550 (vs the K-3)

  • Much smaller: Compact (98×58×23 mm) vs Professional size (131×100×77 mm)
  • Much lighter: 125 g vs 800 g
  • Much thinner: 0.9" vs 3"

Significant disadvantages of the M550 (vs the K-3)

  • Worse maximum light sensitivity: 1,000 ISO vs 51,200 ISO
  • Much smaller screen: 2.7" vs 3.2"
  • No image stabilization: None vs
    1. Sensor shift

common strengths of the M550 and K-3

  • None found