Pentax 645D vs Sony H90
50 Imaging
75 Features
52 Overall
65


91 Imaging
39 Features
35 Overall
37
Pentax 645D vs Sony H90 Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Introduced March 2010
- Renewed by Pentax 645Z
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 24-384mm (F3.3-5.9) lens
- 222g - 105 x 60 x 34mm
- Announced February 2012

Pentax 645D vs Sony H90 Overview
Following is a extensive overview of the Pentax 645D vs Sony H90, former is a Pro DSLR while the latter is a Small Sensor Superzoom by rivals Pentax and Sony. There is a large difference among the resolutions of the 645D (40MP) and H90 (16MP) and the 645D (Medium format) and H90 (1/2.3") possess different sensor measurements.

The 645D was released 24 months prior to the H90 which makes the cameras a generation away from each other. Both of these cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony H90 being a Compact camera.
Before getting through a full comparison, below is a short introduction of how the 645D matches up versus the H90 when considering portability, imaging, features and an overall score.

Pentax 645D vs Sony H90 Gallery
Here is a preview of the gallery images for Pentax 645D & Sony Cyber-shot DSC-H90. The complete galleries are viewable at Pentax 645D Gallery & Sony H90 Gallery.
Reasons to pick Pentax 645D over the Sony H90
645D | H90 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial accurate focusing | ||
Screen resolution | 921k | ![]() | 461k | Sharper screen (+460k dot) |
Reasons to pick Sony H90 over the Pentax 645D
H90 | 645D | |||
---|---|---|---|---|
Announced | February 2012 | ![]() | March 2010 | More modern by 24 months |
Common features in the Pentax 645D and Sony H90
645D | H90 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen dimension | 3" | ![]() | 3" | Identical screen measurements |
Selfie screen | ![]() | Lacking selfie screen | ||
Touch screen | ![]() | Neither includes Touch screen |
Pentax 645D vs Sony H90 Physical Comparison
For anyone who is going to carry around your camera, you should think about its weight and dimensions. The Pentax 645D features external measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) whilst the Sony H90 has dimensions of 105mm x 60mm x 34mm (4.1" x 2.4" x 1.3") accompanied by a weight of 222 grams (0.49 lbs).
Contrast the Pentax 645D vs Sony H90 in our brand new Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary based on the lens you have chosen at that moment. Underneath is the front view scale comparison of the 645D against the H90.

Using size and weight, the portability rating of the 645D and H90 is 50 and 91 respectively.

Pentax 645D vs Sony H90 Sensor Comparison
Generally, its difficult to imagine the gap in sensor sizes only by going through technical specs. The image below might provide you a clearer sense of the sensor measurements in the 645D and H90.
As you have seen, the 2 cameras have got different megapixel count and different sensor sizes. The 645D featuring a bigger sensor is going to make getting shallow depth of field simpler and the Pentax 645D will show extra detail as a result of its extra 24MP. Higher resolution will also allow you to crop shots much more aggressively. The more aged 645D will be behind with regard to sensor tech.

Pentax 645D vs Sony H90 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax 645D vs Sony H90 Specifications
Pentax 645D | Sony Cyber-shot DSC-H90 | |
---|---|---|
General Information | ||
Company | Pentax | Sony |
Model | Pentax 645D | Sony Cyber-shot DSC-H90 |
Class | Pro DSLR | Small Sensor Superzoom |
Introduced | 2010-03-10 | 2012-02-28 |
Physical type | Large SLR | Compact |
Sensor Information | ||
Powered by | Prime II | BIONZ |
Sensor type | CCD | CCD |
Sensor size | Medium format | 1/2.3" |
Sensor dimensions | 44 x 33mm | 6.17 x 4.55mm |
Sensor area | 1,452.0mm² | 28.1mm² |
Sensor resolution | 40MP | 16MP |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 4:3 and 16:9 |
Highest Possible resolution | 7264 x 5440 | 4608 x 3456 |
Maximum native ISO | 1600 | 3200 |
Min native ISO | 200 | 80 |
RAW format | ||
Min enhanced ISO | 100 | - |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 11 | - |
Cross focus points | - | - |
Lens | ||
Lens mounting type | Pentax 645AF2 | fixed lens |
Lens focal range | - | 24-384mm (16.0x) |
Maximal aperture | - | f/3.3-5.9 |
Macro focus distance | - | 5cm |
Number of lenses | 6 | - |
Crop factor | 0.8 | 5.8 |
Screen | ||
Type of screen | Fixed Type | Fixed Type |
Screen diagonal | 3" | 3" |
Screen resolution | 921k dots | 461k dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen technology | TFT Color LCD with wide-viewing angle and with AR coating | ClearPhoto TFT LCD display |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | None |
Viewfinder coverage | 98 percent | - |
Viewfinder magnification | 0.85x | - |
Features | ||
Minimum shutter speed | 30 secs | 30 secs |
Fastest shutter speed | 1/4000 secs | 1/1600 secs |
Continuous shutter rate | 1.0 frames per sec | 1.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | 3.70 m |
Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Slow Sync |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | 1/125 secs | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | - | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Maximum video resolution | None | 1280x720 |
Video format | - | MPEG-4 |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1480 gr (3.26 pounds) | 222 gr (0.49 pounds) |
Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 105 x 60 x 34mm (4.1" x 2.4" x 1.3") |
DXO scores | ||
DXO Overall score | 82 | not tested |
DXO Color Depth score | 24.6 | not tested |
DXO Dynamic range score | 12.6 | not tested |
DXO Low light score | 1262 | not tested |
Other | ||
Battery life | 800 images | 290 images |
Battery type | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-BG1 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, Portrait 1/2) |
Time lapse shooting | ||
Storage type | SD/SDHC | SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo |
Card slots | Dual | One |
Launch price | $4,000 | $230 |