Casio EX-Z90 vs Nikon S640
96 Imaging
34 Features
17 Overall
27


96 Imaging
34 Features
24 Overall
30
Casio EX-Z90 vs Nikon S640 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 64 - 1600
- 1280 x 720 video
- 35-105mm (F3.1-5.9) lens
- 121g - 90 x 52 x 19mm
- Revealed August 2009
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 100 - 6400
- Optical Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- 28-140mm (F2.7-6.6) lens
- 130g - 91 x 55 x 21mm
- Released August 2009

Casio EX-Z90 vs Nikon S640 Overview
In this article, we are reviewing the Casio EX-Z90 vs Nikon S640, both Small Sensor Compact cameras by manufacturers Casio and Nikon. The sensor resolution of the EX-Z90 (12MP) and the S640 (12MP) is fairly close and they come with the same exact sensor size (1/2.3").

The EX-Z90 was announced within a month of the S640 so they are both of a similar age. Each of the cameras offer the identical body type (Compact).
Before getting straight into a step-by-step comparison, below is a concise overview of how the EX-Z90 scores against the S640 with regard to portability, imaging, features and an overall grade.

Casio EX-Z90 vs Nikon S640 Gallery
Following is a sample of the gallery pictures for Casio Exilim EX-Z90 & Nikon Coolpix S640. The whole galleries are provided at Casio EX-Z90 Gallery & Nikon S640 Gallery.
Reasons to pick Casio EX-Z90 over the Nikon S640
EX-Z90 | S640 | |||
---|---|---|---|---|
Focus manually | ![]() | Very precise focus |
Reasons to pick Nikon S640 over the Casio EX-Z90
S640 | EX-Z90 |
---|
Common features in the Casio EX-Z90 and Nikon S640
EX-Z90 | S640 | |||
---|---|---|---|---|
Released | August 2009 | ![]() | August 2009 | Same age |
Display type | Fixed | ![]() | Fixed | Fixed display |
Display sizing | 2.7" | ![]() | 2.7" | Equivalent display size |
Display resolution | 230k | ![]() | 230k | The same display resolution |
Selfie screen | ![]() | Missing selfie screen | ||
Touch friendly display | ![]() | Neither offers Touch friendly display |
Casio EX-Z90 vs Nikon S640 Physical Comparison
For anyone who is looking to lug around your camera, you need to think about its weight and dimensions. The Casio EX-Z90 offers outer measurements of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") and a weight of 121 grams (0.27 lbs) and the Nikon S640 has dimensions of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") with a weight of 130 grams (0.29 lbs).
Examine the Casio EX-Z90 vs Nikon S640 in our newest Camera & Lens Size Comparison Tool.
Always remember, the weight of an ILC will change depending on the lens you have attached at that moment. Underneath is the front view scale comparison of the EX-Z90 and the S640.

Considering size and weight, the portability score of the EX-Z90 and S640 is 96 and 96 respectively.

Casio EX-Z90 vs Nikon S640 Sensor Comparison
Oftentimes, it is difficult to visualise the contrast in sensor measurements only by looking through specs. The photograph here might offer you a greater sense of the sensor sizing in the EX-Z90 and S640.
As you can plainly see, both the cameras offer the same exact sensor sizing and the same exact megapixels so you can expect comparable quality of photos but you should consider the launch date of the cameras into account.

Casio EX-Z90 vs Nikon S640 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Casio EX-Z90 vs Nikon S640 Specifications
Casio Exilim EX-Z90 | Nikon Coolpix S640 | |
---|---|---|
General Information | ||
Brand | Casio | Nikon |
Model type | Casio Exilim EX-Z90 | Nikon Coolpix S640 |
Class | Small Sensor Compact | Small Sensor Compact |
Revealed | 2009-08-18 | 2009-08-04 |
Physical type | Compact | Compact |
Sensor Information | ||
Powered by | Digic 4 | Expeed |
Sensor type | CCD | CCD |
Sensor size | 1/2.3" | 1/2.3" |
Sensor measurements | 6.17 x 4.55mm | 6.08 x 4.56mm |
Sensor surface area | 28.1mm² | 27.7mm² |
Sensor resolution | 12 megapixels | 12 megapixels |
Anti alias filter | ||
Aspect ratio | 4:3, 3:2 and 16:9 | 4:3 and 16:9 |
Peak resolution | 4000 x 3000 | 4000 x 3000 |
Highest native ISO | 1600 | 6400 |
Lowest native ISO | 64 | 100 |
RAW data | ||
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 35-105mm (3.0x) | 28-140mm (5.0x) |
Maximum aperture | f/3.1-5.9 | f/2.7-6.6 |
Macro focusing range | 10cm | 2cm |
Focal length multiplier | 5.8 | 5.9 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen size | 2.7 inches | 2.7 inches |
Resolution of screen | 230 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Min shutter speed | 4 secs | 30 secs |
Max shutter speed | 1/2000 secs | 1/8000 secs |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Custom white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 3.00 m | - |
Flash options | Auto, On, Off, Red-eye, Soft | - |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) |
Highest video resolution | 1280x720 | 1280x720 |
Video file format | Motion JPEG | Motion JPEG |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 121 grams (0.27 lb) | 130 grams (0.29 lb) |
Dimensions | 90 x 52 x 19mm (3.5" x 2.0" x 0.7") | 91 x 55 x 21mm (3.6" x 2.2" x 0.8") |
DXO scores | ||
DXO Overall rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery ID | NP-60 | EN-EL12 |
Self timer | Yes (2 or 10 sec, Triple) | Yes |
Time lapse recording | ||
Storage type | SD/MMC/SDHC card, Internal | SD/SDHC, Internal |
Card slots | 1 | 1 |
Price at release | $150 | $225 |