Casio EX-Z400 vs Sony A9
95 Imaging
34 Features
25 Overall
30
65 Imaging
72 Features
93 Overall
80
Casio EX-Z400 vs Sony A9 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 1600
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-112mm (F2.6-7.0) lens
- 130g - 95 x 60 x 23mm
- Introduced January 2009
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 673g - 127 x 96 x 63mm
- Revealed April 2017
- Replacement is Sony A9 II
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Casio EX-Z400 vs Sony A9 Overview
Here, we will be reviewing the Casio EX-Z400 versus Sony A9, former being a Ultracompact while the latter is a Pro Mirrorless by competitors Casio and Sony. There is a considerable difference among the image resolutions of the EX-Z400 (12MP) and A9 (24MP) and the EX-Z400 (1/2.3") and A9 (Full frame) posses totally different sensor sizes.
President Biden pushes bill mandating TikTok sale or banThe EX-Z400 was brought out 9 years before the A9 and that is a fairly large difference as far as camera tech is concerned. Both of the cameras feature different body design with the Casio EX-Z400 being a Ultracompact camera and the Sony A9 being a SLR-style mirrorless camera.
Before going straight to a full comparison, here is a simple summary of how the EX-Z400 scores vs the A9 in terms of portability, imaging, features and an overall rating.
Snapchat Adds Watermarks to AI-Created Images Casio EX-Z400 vs Sony A9 Gallery
Here is a preview of the gallery photos for Casio Exilim EX-Z400 & Sony Alpha A9. The entire galleries are provided at Casio EX-Z400 Gallery & Sony A9 Gallery.
Reasons to pick Casio EX-Z400 over the Sony A9
| EX-Z400 | A9 |
|---|
Reasons to pick Sony A9 over the Casio EX-Z400
| A9 | EX-Z400 | |||
|---|---|---|---|---|
| Revealed | April 2017 | January 2009 | Fresher by 100 months | |
| Focus manually | Very accurate focusing | |||
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen resolution | 1440k | 230k | Crisper screen (+1210k dot) | |
| Touch friendly screen | Quickly navigate |
Common features in the Casio EX-Z400 and Sony A9
| EX-Z400 | A9 | |||
|---|---|---|---|---|
| Screen size | 3" | 3" | Same screen dimensions | |
| Selfie screen | Neither offers selfie screen |
Casio EX-Z400 vs Sony A9 Physical Comparison
If you are going to carry your camera frequently, you'll need to factor its weight and dimensions. The Casio EX-Z400 offers outer measurements of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") accompanied by a weight of 130 grams (0.29 lbs) and the Sony A9 has dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs).
Contrast the Casio EX-Z400 versus Sony A9 in our newest Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ depending on the lens you are working with during that time. Here is a front view physical size comparison of the EX-Z400 vs the A9.

Taking into consideration size and weight, the portability score of the EX-Z400 and A9 is 95 and 65 respectively.
Casio EX-Z400 vs Sony A9 Sensor Comparison
In many cases, it's tough to see the contrast in sensor sizing simply by viewing specs. The graphic here may give you a more clear sense of the sensor measurements in the EX-Z400 and A9.
All in all, the 2 cameras come with different megapixels and different sensor sizing. The EX-Z400 because of its smaller sensor will make shooting shallower DOF harder and the Sony A9 will result in extra detail having its extra 12 Megapixels. Higher resolution will also let you crop shots a good deal more aggressively. The older EX-Z400 will be behind in sensor technology.
Casio EX-Z400 vs Sony A9 Screen and ViewFinder
Photography Glossary Photography Type Scores
Portrait Comparison
Samsung Releases Faster Versions of EVO MicroSD CardsStreet Comparison
Photobucket discusses licensing 13 billion images with AI firmsSports Comparison
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesTravel Comparison
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneLandscape Comparison
Meta to Introduce 'AI-Generated' Labels for Media starting next monthVlogging Comparison
Sora from OpenAI releases its first ever music video
Casio EX-Z400 vs Sony A9 Specifications
| Casio Exilim EX-Z400 | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Make | Casio | Sony |
| Model type | Casio Exilim EX-Z400 | Sony Alpha A9 |
| Class | Ultracompact | Pro Mirrorless |
| Introduced | 2009-01-08 | 2017-04-19 |
| Physical type | Ultracompact | SLR-style mirrorless |
| Sensor Information | ||
| Processor Chip | - | BIONZ X |
| Sensor type | CCD | BSI-CMOS |
| Sensor size | 1/2.3" | Full frame |
| Sensor measurements | 6.17 x 4.55mm | 35.6 x 23.8mm |
| Sensor area | 28.1mm² | 847.3mm² |
| Sensor resolution | 12 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 16:9, 4:3 and 3:2 | 3:2 and 16:9 |
| Peak resolution | 4000 x 3000 | 6000 x 4000 |
| Highest native ISO | 1600 | 51200 |
| Highest enhanced ISO | - | 204800 |
| Min native ISO | 100 | 100 |
| RAW pictures | ||
| Min enhanced ISO | - | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | - | 693 |
| Lens | ||
| Lens mount type | fixed lens | Sony E |
| Lens zoom range | 28-112mm (4.0x) | - |
| Max aperture | f/2.6-7.0 | - |
| Total lenses | - | 121 |
| Crop factor | 5.8 | 1 |
| Screen | ||
| Screen type | Fixed Type | Tilting |
| Screen sizing | 3 inches | 3 inches |
| Resolution of screen | 230k dots | 1,440k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | None | Electronic |
| Viewfinder resolution | - | 3,686k dots |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.78x |
| Features | ||
| Min shutter speed | 1/2 secs | 30 secs |
| Max shutter speed | 1/1000 secs | 1/8000 secs |
| Max silent shutter speed | - | 1/32000 secs |
| Continuous shutter rate | - | 20.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | - | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | - | no built-in flash |
| Flash settings | - | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | - |
| Highest video resolution | 1280x720 | 3840x2160 |
| Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | none | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 130g (0.29 lbs) | 673g (1.48 lbs) |
| Physical dimensions | 95 x 60 x 23mm (3.7" x 2.4" x 0.9") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO Overall rating | not tested | 92 |
| DXO Color Depth rating | not tested | 24.9 |
| DXO Dynamic range rating | not tested | 13.3 |
| DXO Low light rating | not tested | 3517 |
| Other | ||
| Battery life | - | 650 photographs |
| Type of battery | - | Battery Pack |
| Battery ID | NP-40 | NP-FZ100 |
| Self timer | Yes (10 seconds, 2 seconds, Triple Self-timer) | Yes (2, 5, 10 secs + continuous) |
| Time lapse feature | ||
| Type of storage | SDHC Memory Card, SD Memory Card, Eye-Fi Wireless Card compatible | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Card slots | 1 | Two |
| Cost at release | $0 | $4,498 |