Pentax K-x Vs Pentax K-3 Mark III: full comparison

Pentax
K-x change

Vs

Pentax
K-3 Mark III change
Pentax K-x

Pentax K-3 Mark III trophy medal portrait medal landscape medal sport medal street medal everyday
54

Overall Score

64

Pentax

K-x
Announced: 23 Dec 2009
Sensor Resolution: 12Mp
Sensor Type: APS-C CMOS
ISO: 100-6400
Weight: 580g
Physical Dimensions: 123 x 92 x 68 mm
Viewfinder: Optical (pentamirror)
Screen Type: 2.7" Fixed
Video Resolutions: 1280x720
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47
Image Quality
48
39
Speed Performance
61
62
Versatility
98
78
Comfort
63

Pentax

K-3 Mark III
Announced: 31 Mar 2021
Sensor Resolution: 26Mp
Sensor Type: APS-C CMOS
ISO: 100-1600000
Weight: 820g
Physical Dimensions: 135 x 104 x 74 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 3840x2160
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The best camera for different types of photography

Pentax
K-x

vs

Pentax
K-3 Mark III

48
Portrait Portrait Portrait
53
46
Landscape Landscape Landscape
51
50
SportSport Sport
66
64
Street Street Street
68
65
Everyday Everyday Everyday
71

Best alternative for types of photography

Portrait
Portrait		 Sony Alpha A7R IV Sony
Alpha A7R IV		 71 buy on
Landscape
Landscape		 Canon EOS R5 Canon
EOS R5		 69 buy on
Sport
Sport		 OlympusOM System OM-1 Olympus
OM System OM-1		 75 buy on
Street
Street		 FujifilmX-Pro3 Fujifilm
X-Pro3		 77 buy on
Everyday
Everyday		 SonyCyber-shot DSC-RX100 VII Sony
Cyber-shot DSC-RX100 VII		 77 buy on

Pentax K-x
pros and cons

Pentax K-x

Pentax

K-x
Announced: 23 Dec 2009
Sensor Resolution: 12Mp
Sensor Type: APS-C CMOS
ISO: 100-6400
Weight: 580g
Physical Dimensions: 123 x 92 x 68 mm
Viewfinder: Optical (pentamirror)
Screen Type: 2.7" Fixed
Video Resolutions: 1280x720
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prospros

  • The integrated stabilizer allows you to shoot firmly even in low light conditions
  • The LCD display is a convenient and almost indispensable feature
  • It has fast shutter speed, ideal for action photos
  • Pentax K-x battery has 1900.0 shoots autonomy. This will allow long photo sessions without having the need to recharge it.

conscons

  • Warning - Pentax K-x is not a tropicalized camera. If you use it in adverse conditions, you could ruin it.
  • Unfortunately, Pentax K-x does not support wireless connection

Pentax K-x and its rivals

Review compare Pentax K-x with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
PentaxK-x Pentax
K-x		 54 48 46 50 64 65 buy on
NikonD780 Nikon
D780		 71 69 69 67 74 77 buy on
CanonEOS 90D Canon
EOS 90D		 65 54 52 66 70 75 buy on
PentaxK-3 Mark III Pentax
K-3 Mark III		 64 53 51 66 68 71 buy on
CanonEOS Rebel T8i Canon
EOS Rebel T8i		 59 51 49 57 66 69 buy on
PentaxKF Pentax
KF		 58 51 50 55 63 67 buy on

Pentax K-3 Mark III
pros and cons

Pentax K-3 Mark III

Pentax

K-3 Mark III
Announced: 31 Mar 2021
Sensor Resolution: 26Mp
Sensor Type: APS-C CMOS
ISO: 100-1600000
Weight: 820g
Physical Dimensions: 135 x 104 x 74 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 3840x2160
buy on

pros pros

  • This camera autofocus is able to follow moving subjects
  • The Pentax K-3 Mark III is tropicalized - this means you can use it also in adverse atmospheric and environmental conditions without ruining it
  • The integrated stabilizer allows you to shoot firmly even in low light conditions
  • The LCD display is a convenient and almost indispensable feature
  • The microphone input can be very useful if you shoot videos
  • Thanks to burst mode, it's ideal for action photos
  • The second memory slot makes the camera more reliable, also for professional use
  • Thanks to the wireless connection, Pentax K-3 Mark III allows immediate picture sharing

Pentax K-3 Mark III and its rivals

Review compare Pentax K-3 Mark III with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
PentaxK-3 Mark III Pentax
K-3 Mark III		 64 53 51 66 68 71 buy on
NikonD780 Nikon
D780		 71 69 69 67 74 77 buy on
CanonEOS 90D Canon
EOS 90D		 65 54 52 66 70 75 buy on
CanonEOS Rebel T8i Canon
EOS Rebel T8i		 59 51 49 57 66 69 buy on
PentaxKF Pentax
KF		 58 51 50 55 63 67 buy on

Pentax K-x vs Pentax K-3 Mark III, which is better?

In case you are wondering which of these cameras you should buy, then this is the right place to find an answer. Here you will find listed all the main differences among Pentax K-x and Pentax K-3 Mark III, calculated by the CameraRace iCamRank algorithm.

  • Technically speaking, Pentax K-3 Mark III is superior to Pentax K-x, with an overall iCamRank score of 64 and 54, respectively.
  • The image quality of Pentax K-x (47) is similar to that of Pentax K-3 Mark III (48).
  • Pentax K-3 Mark III (61) performs better than Pentax K-x (39) in terms of speed.
  • Pentax K-3 Mark III is more versatile than Pentax K-x (98 a 62).
  • The handling of Pentax K-x (78) is more effective than that of Pentax K-3 Mark III (63).

But, as you may know, the technical performance is meaningless if applied to the wrong context. This is the reason why the iCamRank "weights" differently the camera technical features for each type of photography. Thus, below you'll find our suggestions, based on your preferred photography genre:

Whatever type of photography shall you prefer, Pentax K-3 Mark III is superior to Pentax K-x in all conditions.

Need further details? Below you will find a full comparison of all the technical specifications.

Pentax
K-x

Sensor
comparison

Pentax
K-3 Mark III

CMOS

Sensor Type

CMOS

APS-C

Sensor Size

APS-C

23.6 x 15.8 mm up

Sensor Dimensions

down 23.0 x 15.5 mm

372.88 mm2 up

Sensor Area

down 356.5 mm2

12 Mp down

Sensor Resolution

up 26 Mp

4288 x 2848 down

Max Image Resolution

up 6192 x 4128

6400 down

Max Native ISO

up 1600000

100

Min Native ISO

100

yes

RAW Support

yes

Pentax
K-x

Lens
comparison

Pentax
K-3 Mark III

Pentax KAF2

Lens Mount

Pentax KAF2

143 down

Number of Lenses

up 155

1.5

Focal Length Multiplier

1.5

Pentax
K-x

Screen Type
comparison

Pentax
K-3 Mark III

Fixed

Screen Type

Fixed

2.7" down

Screen Size

up 3.2"

230Kdot down

Screen Resolution

up 1620Kdot

yes

Live View

yes

no

Touch Screen

yes

Pentax
K-x

Viewfinder
comparison

Pentax
K-3 Mark III

Optical (pentamirror)

Viewfinder

Optical (pentaprism)

None

Viewfinder Resolution

None

96

Viewfinder Coverage

100

0.57

Viewfinder Magnification

0.7x

Pentax
K-x

Features
comparison

Pentax
K-3 Mark III

30s

Min Shutter Speed

30s

1/6000s

Max Shutter Speed

-

5fps down

Continuous Shooting

up 12fps

yes

Shutter Priority

yes

yes

Aperture Priority

yes

yes

Manual Exposure Mode

yes

yes

Exposure Compensation

yes

yes

Custom White Balance

yes

yes

Image Stabilization

yes

yes

Built-in Flash

no

16.0

Flash Range

None

1/180s

Max Flash Sync

1/200s

Auto
On
Off
Red-Eye
Slow Sync
Rear curtain
Wireless

Flash Modes

Auto
Auto + Red-eye Reduction
Flash On
Flash On + Red-eye Reduction
Slow- speed Sync
Slow-speed Sync + Red-eye
P-TTL
Contrast-control-sync
High-speed sync
Wireless sync

yes

External Flash

yes

yes

AE Bracketing

yes

yes

WB Bracketing

yes

Pentax
K-x

Exposure Modes
comparison

Pentax
K-3 Mark III

yes

Multi-Segment

yes

no

Average

yes

yes

Spot

yes

no

Partial

no

no

AF-Area

no

yes

Center Weighted

no

Pentax
K-x

Dxo Sensor Scores
comparison

Pentax
K-3 Mark III

72 up

DxO Overall Score

dato non disponibile

22.8 up

DxO Color Depth

dato non disponibile

12.5 up

DxO Dynamic Range

dato non disponibile

811 up

DxO Low Light ISO

dato non disponibile

Pentax
K-x

Autofocus
comparison

Pentax
K-3 Mark III

no

AF Touch

yes

yes

AF Continuous

yes

yes

AF Single

yes

no

AF Tracking

yes

yes

AF Selective

yes

no

AF Center

yes

yes

AF MultiArea

yes

yes

AF Live View

yes

yes

AF Face Detection

yes

yes

AF Contrast Detection

yes

yes

AF Phase Detection

yes

11 down

Number of Focus Points

up 101

0 down

Number of Cross Focus Points

up 25

Pentax
K-x

Video Features
comparison

Pentax
K-3 Mark III

1280 x 720 (24 fps) 640 x 416 (24 fps)

Video Resolutions

3840 x 2160 @ 30p MOV H.264 Linear PCM3840 x 2160 @ 24p MOV H.264 Linear PCM1920 x 1080 @ 60p MOV H.264 Linear PCM1920 x 1080 @ 30p MOV H.264 Linear PCM1920 x 1080 @ 24p MOV H.264 Linear PCM

1280x720

Max Video Resolution

3840x2160

Motion JPEG

Video Formats

MPEG-4 H.264

no

Microphone Port

yes

no

Headphone Port

yes

Pentax
K-x

Connectivity
comparison

Pentax
K-3 Mark III

None

Wireless Connectivity

Built-in

no

HDMI

yes

USB 2.0 (480 Mbit/sec)

USB

USB 3.2 Gen 1 (5 GBit/sec)

Pentax
K-x

Physical
comparison

Pentax
K-3 Mark III

no

Environmental Sealing

yes

no

Water Proof

no

no

Dust Proof

no

no

Shock Proof

no

no

Crush Proof

no

no

Freeze Proof

no

580g

Weight

820g

123 x 92 x 68 mm

Physical Dimensions

135 x 104 x 74 mm

1900 up

Battery Life

down 800

Battery Pack

Battery Type

Battery Pack

4 x AA

Battery Model

D-LI90

Pentax
K-x

Other Features
comparison

Pentax
K-3 Mark III

Yes (2 or 12 sec)

Self Timer

Yes

no

Timelapse Recording

yes

no

GPS

no

SD SDHC card

Storage Type

Dual SD SDHC SDXC slots (UHS-II supported in slot 1)

1down

Storage Slots

up2

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