Pentax K20D vs Sony NEX-5
59 Imaging
52 Features
52 Overall
52
89 Imaging
53 Features
58 Overall
55
Pentax K20D vs Sony NEX-5 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Increase to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Released June 2008
- Earlier Model is Pentax K10D
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 12800
- 1920 x 1080 video
- Sony E Mount
- 287g - 111 x 59 x 38mm
- Launched June 2010
- Successor is Sony NEX-5N
President Biden pushes bill mandating TikTok sale or ban Pentax K20D vs Sony NEX-5 Overview
Below is a extensive analysis of the Pentax K20D and Sony NEX-5, former being a Advanced DSLR while the other is a Entry-Level Mirrorless by rivals Pentax and Sony. The image resolution of the K20D (15MP) and the NEX-5 (14MP) is very well matched and they use the exact same sensor sizes (APS-C).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K20D was brought out 23 months earlier than the NEX-5 making the cameras a generation apart from each other. Each of these cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Sony NEX-5 being a Rangefinder-style mirrorless camera.
Before we go through a full comparison, below is a simple highlight of how the K20D matches up against the NEX-5 in regards to portability, imaging, features and an overall grade.
Photography Glossary Pentax K20D vs Sony NEX-5 Gallery
Below is a sample of the gallery pics for Pentax K20D & Sony Alpha NEX-5. The entire galleries are provided at Pentax K20D Gallery & Sony NEX-5 Gallery.
Reasons to pick Pentax K20D over the Sony NEX-5
| K20D | NEX-5 |
|---|
Reasons to pick Sony NEX-5 over the Pentax K20D
| NEX-5 | K20D | |||
|---|---|---|---|---|
| Launched | June 2010 | June 2008 | More recent by 23 months | |
| Display type | Tilting | Fixed | Tilting display | |
| Display dimension | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 920k | 230k | Crisper display (+690k dot) |
Common features in the Pentax K20D and Sony NEX-5
| K20D | NEX-5 | |||
|---|---|---|---|---|
| Manual focus | Dial exact focusing | |||
| Selfie screen | Neither provides selfie screen | |||
| Touch friendly display | Neither provides Touch friendly display |
Pentax K20D vs Sony NEX-5 Physical Comparison
If you are going to lug around your camera, you should consider its weight and measurements. The Pentax K20D provides external measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs) whilst the Sony NEX-5 has proportions of 111mm x 59mm x 38mm (4.4" x 2.3" x 1.5") along with a weight of 287 grams (0.63 lbs).
Check the Pentax K20D and Sony NEX-5 in our newest Camera & Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary depending on the lens you are utilizing during that time. Following is the front view scale comparison of the K20D and the NEX-5.

Considering size and weight, the portability grade of the K20D and NEX-5 is 59 and 89 respectively.
Pentax K20D vs Sony NEX-5 Sensor Comparison
Generally, its hard to picture the difference between sensor measurements purely by checking a spec sheet. The photograph here may give you a more clear sense of the sensor sizing in the K20D and NEX-5.
As you can see, both of the cameras posses the exact same sensor measurements but different resolution. You can expect to see the Pentax K20D to give greater detail having its extra 1MP. Greater resolution will also help you crop pics somewhat more aggressively. The older K20D is going to be behind with regard to sensor tech.
Pentax K20D vs Sony NEX-5 Screen and ViewFinder
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Pentax K20D vs Sony NEX-5 Specifications
| Pentax K20D | Sony Alpha NEX-5 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax K20D | Sony Alpha NEX-5 |
| Type | Advanced DSLR | Entry-Level Mirrorless |
| Released | 2008-06-25 | 2010-06-07 |
| Physical type | Mid-size SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.4 x 15.6mm | 23.4 x 15.6mm |
| Sensor area | 365.0mm² | 365.0mm² |
| Sensor resolution | 15MP | 14MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest Possible resolution | 4672 x 3104 | 4592 x 3056 |
| Maximum native ISO | 3200 | 12800 |
| Maximum enhanced ISO | 6400 | - |
| Min native ISO | 100 | 200 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 11 | 25 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sony E |
| Total lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Type of display | Fixed Type | Tilting |
| Display diagonal | 2.7" | 3" |
| Resolution of display | 230 thousand dots | 920 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 95% | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Minimum shutter speed | 30s | 30s |
| Fastest shutter speed | 1/4000s | 1/4000s |
| Continuous shutter rate | 3.0 frames/s | 7.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 13.00 m (at ISO 100) | 12.00 m |
| Flash modes | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/180s | 1/160s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video format | - | AVCHD |
| Microphone 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 | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 800 grams (1.76 lbs) | 287 grams (0.63 lbs) |
| Dimensions | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") | 111 x 59 x 38mm (4.4" x 2.3" x 1.5") |
| DXO scores | ||
| DXO Overall rating | 65 | 69 |
| DXO Color Depth rating | 22.9 | 22.2 |
| DXO Dynamic range rating | 11.1 | 12.2 |
| DXO Low light rating | 639 | 796 |
| Other | ||
| Battery life | - | 330 pictures |
| Style of battery | - | Battery Pack |
| Battery ID | D-LI50 | NPFW50 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse recording | ||
| Storage type | SD/MMC/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | One | One |
| Retail price | $700 | $599 |