Pentax 645Z vs Sony RX100 V
49 Imaging
80 Features
74 Overall
77


89 Imaging
52 Features
80 Overall
63
Pentax 645Z vs Sony RX100 V Key Specs
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Revealed April 2014
- Succeeded the Pentax 645D
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800 (Bump to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-70mm (F1.8-2.8) lens
- 299g - 102 x 58 x 41mm
- Announced October 2016
- Old Model is Sony RX100 IV
- Successor is Sony RX100 VI

Pentax 645Z vs Sony RX100 V Overview
Following is a detailed overview of the Pentax 645Z versus Sony RX100 V, one is a Pro DSLR and the latter is a Large Sensor Compact by manufacturers Pentax and Sony. There exists a sizeable gap between the resolutions of the 645Z (51MP) and RX100 V (20MP) and the 645Z (Medium format) and RX100 V (1") posses different sensor dimensions.

The 645Z was manufactured 3 years before the RX100 V which is quite a large gap as far as technology is concerned. Both the cameras have different body design with the Pentax 645Z being a Large SLR camera and the Sony RX100 V being a Large Sensor Compact camera.
Before we go straight to a full comparison, here is a simple highlight of how the 645Z matches up versus the RX100 V with respect to portability, imaging, features and an overall score.

Pentax 645Z vs Sony RX100 V Gallery
The following is a preview of the gallery photos for Pentax 645Z and Sony Cyber-shot DSC-RX100 V. The entire galleries are available at Pentax 645Z Gallery and Sony RX100 V Gallery.
Reasons to pick Pentax 645Z over the Sony RX100 V
645Z | RX100 V | |||
---|---|---|---|---|
Screen dimensions | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Reasons to pick Sony RX100 V over the Pentax 645Z
RX100 V | 645Z | |||
---|---|---|---|---|
Announced | October 2016 | ![]() | April 2014 | More modern by 30 months |
Screen resolution | 1229k | ![]() | 1037k | Sharper screen (+192k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Pentax 645Z and Sony RX100 V
645Z | RX100 V | |||
---|---|---|---|---|
Manually focus | ![]() | Very exact focusing | ||
Screen type | Tilting | ![]() | Tilting | Tilting screen |
Touch screen | ![]() | Absent Touch screen |
Pentax 645Z vs Sony RX100 V Physical Comparison
For those who are intending to carry around your camera frequently, you need to factor its weight and volume. The Pentax 645Z enjoys outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs) whilst the Sony RX100 V has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 299 grams (0.66 lbs).
Look at the Pentax 645Z versus Sony RX100 V in the all new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. The following is a front view over all size comparison of the 645Z against the RX100 V.

Taking into consideration dimensions and weight, the portability score of the 645Z and RX100 V is 49 and 89 respectively.

Pentax 645Z vs Sony RX100 V Sensor Comparison
Normally, its difficult to picture the difference between sensor sizes simply by going over specifications. The pic underneath should provide you a better sense of the sensor sizing in the 645Z and RX100 V.
Plainly, the two cameras provide different megapixel count and different sensor sizes. The 645Z featuring a bigger sensor is going to make achieving shallower depth of field less difficult and the Pentax 645Z will offer you extra detail due to its extra 31MP. Higher resolution will allow you to crop pictures more aggressively. The more aged 645Z is going to be disadvantaged when it comes to sensor technology.

Pentax 645Z vs Sony RX100 V Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax 645Z vs Sony RX100 V Specifications
Pentax 645Z | Sony Cyber-shot DSC-RX100 V | |
---|---|---|
General Information | ||
Brand Name | Pentax | Sony |
Model | Pentax 645Z | Sony Cyber-shot DSC-RX100 V |
Category | Pro DSLR | Large Sensor Compact |
Revealed | 2014-04-15 | 2016-10-06 |
Physical type | Large SLR | Large Sensor Compact |
Sensor Information | ||
Processor Chip | PRIME III | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Medium format | 1" |
Sensor measurements | 44 x 33mm | 13.2 x 8.8mm |
Sensor surface area | 1,452.0mm² | 116.2mm² |
Sensor resolution | 51 megapixel | 20 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
Maximum resolution | 8256 x 6192 | 5472 x 3648 |
Maximum native ISO | 204800 | 12800 |
Maximum boosted ISO | - | 25600 |
Minimum native ISO | 100 | 125 |
RAW images | ||
Minimum boosted ISO | - | 80 |
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous autofocus | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Number of focus points | 27 | 315 |
Lens | ||
Lens mounting type | Pentax 645AF2 | fixed lens |
Lens focal range | - | 24-70mm (2.9x) |
Highest aperture | - | f/1.8-2.8 |
Macro focus range | - | 5cm |
Total lenses | 6 | - |
Crop factor | 0.8 | 2.7 |
Screen | ||
Display type | Tilting | Tilting |
Display diagonal | 3.2 inch | 3 inch |
Display resolution | 1,037 thousand dots | 1,229 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dots |
Viewfinder coverage | 98% | 100% |
Viewfinder magnification | 0.85x | 0.59x |
Features | ||
Slowest shutter speed | 30 seconds | 30 seconds |
Maximum shutter speed | 1/4000 seconds | 1/2000 seconds |
Maximum quiet shutter speed | - | 1/32000 seconds |
Continuous shooting rate | 3.0fps | 24.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | 10.20 m (at Auto ISO) |
Flash settings | Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync | - |
External flash | ||
AEB | ||
White balance bracketing | ||
Maximum flash synchronize | 1/125 seconds | 1/2000 seconds |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1550 gr (3.42 lb) | 299 gr (0.66 lb) |
Physical dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 102 x 58 x 41mm (4.0" x 2.3" x 1.6") |
DXO scores | ||
DXO All around score | 101 | 70 |
DXO Color Depth score | 26.0 | 22.8 |
DXO Dynamic range score | 14.7 | 12.4 |
DXO Low light score | 4505 | 586 |
Other | ||
Battery life | 650 shots | 220 shots |
Type of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-BX1 |
Self timer | Yes (2 or 10 secs) | Yes |
Time lapse feature | With downloadable app | |
Type of storage | Dual SD/SDHC/SDXC slots | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | 2 | 1 |
Cost at launch | $5,024 | $998 |