Panasonic GM5 vs Sony TX20
91 Imaging
52 Features
62 Overall
56
96 Imaging
38 Features
50 Overall
42
Panasonic GM5 vs Sony TX20 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Fixed Screen
- ISO 200 - 25600
- 1920 x 1080 video
- Micro Four Thirds Mount
- 211g - 99 x 60 x 36mm
- Announced September 2014
- Older Model is Panasonic GM1
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 3200
- Optical Image Stabilization
- 1920 x 1080 video
- 25-100mm (F3.5-4.6) lens
- 133g - 96 x 56 x 18mm
- Introduced February 2012
Photography Glossary Panasonic GM5 vs Sony TX20 Overview
On this page, we will be contrasting the Panasonic GM5 and Sony TX20, one is a Entry-Level Mirrorless and the latter is a Ultracompact by brands Panasonic and Sony. The sensor resolution of the GM5 (16MP) and the TX20 (16MP) is relatively similar but the GM5 (Four Thirds) and TX20 (1/2.3") offer different sensor sizing.
President Biden pushes bill mandating TikTok sale or banThe GM5 was revealed 2 years after the TX20 which is quite a large gap as far as tech is concerned. Both cameras have different body design with the Panasonic GM5 being a Rangefinder-style mirrorless camera and the Sony TX20 being a Ultracompact camera.
Before getting into a more detailed comparison, here is a simple summation of how the GM5 matches up against the TX20 when considering portability, imaging, features and an overall score.
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The following is a preview of the gallery photos for Panasonic Lumix DMC-GM5 and Sony Cyber-shot DSC-TX20. The full galleries are available at Panasonic GM5 Gallery and Sony TX20 Gallery.
Reasons to pick Panasonic GM5 over the Sony TX20
| GM5 | TX20 | |||
|---|---|---|---|---|
| Introduced | September 2014 | February 2012 | More modern by 31 months |
Reasons to pick Sony TX20 over the Panasonic GM5
| TX20 | GM5 | |||
|---|---|---|---|---|
| Screen resolution | 922k | 921k | Sharper screen (+1k dot) |
Common features in the Panasonic GM5 and Sony TX20
| GM5 | TX20 | |||
|---|---|---|---|---|
| Manually focus | Dial precise focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen dimensions | 3" | 3" | Equal screen measurement | |
| Selfie screen | No selfie screen | |||
| Touch friendly screen | Quickly navigate |
Panasonic GM5 vs Sony TX20 Physical Comparison
If you're aiming to carry around your camera, you need to factor its weight and proportions. The Panasonic GM5 has exterior measurements of 99mm x 60mm x 36mm (3.9" x 2.4" x 1.4") and a weight of 211 grams (0.47 lbs) while the Sony TX20 has measurements of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") accompanied by a weight of 133 grams (0.29 lbs).
Compare the Panasonic GM5 and Sony TX20 in the new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have at the time. Below is a front view physical size comparison of the GM5 and the TX20.

Considering size and weight, the portability score of the GM5 and TX20 is 91 and 96 respectively.
Panasonic GM5 vs Sony TX20 Sensor Comparison
Oftentimes, its tough to visualize the difference between sensor sizes only by reading a spec sheet. The pic here might offer you a clearer sense of the sensor sizing in the GM5 and TX20.
As you can see, both of the cameras have the same MP albeit different sensor sizes. The GM5 offers the bigger sensor which is going to make getting shallower depth of field easier. The more modern GM5 provides an advantage in sensor technology.
Panasonic GM5 vs Sony TX20 Screen and ViewFinder
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Panasonic GM5 vs Sony TX20 Specifications
| Panasonic Lumix DMC-GM5 | Sony Cyber-shot DSC-TX20 | |
|---|---|---|
| General Information | ||
| Manufacturer | Panasonic | Sony |
| Model type | Panasonic Lumix DMC-GM5 | Sony Cyber-shot DSC-TX20 |
| Category | Entry-Level Mirrorless | Ultracompact |
| Announced | 2014-09-15 | 2012-02-28 |
| Physical type | Rangefinder-style mirrorless | Ultracompact |
| Sensor Information | ||
| Processor Chip | Venus Engine | BIONZ |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | 1/2.3" |
| Sensor dimensions | 17.3 x 13mm | 6.17 x 4.55mm |
| Sensor area | 224.9mm² | 28.1mm² |
| Sensor resolution | 16 megapixels | 16 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3 and 16:9 |
| Highest Possible resolution | 4592 x 3448 | 4608 x 3456 |
| Maximum native ISO | 25600 | 3200 |
| Min native ISO | 200 | 125 |
| RAW format | ||
| Min enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Continuous AF | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 23 | - |
| Cross type focus points | - | - |
| Lens | ||
| Lens support | Micro Four Thirds | fixed lens |
| Lens zoom range | - | 25-100mm (4.0x) |
| Maximum aperture | - | f/3.5-4.6 |
| Macro focusing distance | - | 1cm |
| Total lenses | 107 | - |
| Crop factor | 2.1 | 5.8 |
| Screen | ||
| Type of screen | Fixed Type | Fixed Type |
| Screen diagonal | 3 inch | 3 inch |
| Resolution of screen | 921 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen technology | - | XtraFine TruBlack TFT LCD |
| Viewfinder Information | ||
| Viewfinder | Electronic | None |
| Viewfinder resolution | 1,166 thousand dots | - |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.46x | - |
| Features | ||
| Minimum shutter speed | 60 secs | 4 secs |
| Fastest shutter speed | 1/500 secs | 1/1600 secs |
| Fastest silent shutter speed | 1/16000 secs | - |
| Continuous shutter rate | 5.8 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | - |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 3.70 m |
| Flash settings | Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction, off | Auto, On, Off, Slow Sync |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p, 60i, 50p, 50i, 25p, 24p), 1280 x 720 (30p, 25p), 640 x 480 (30p, 25p) | 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, AVCHD | MPEG-4, AVCHD |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 211 gr (0.47 lbs) | 133 gr (0.29 lbs) |
| Physical dimensions | 99 x 60 x 36mm (3.9" x 2.4" x 1.4") | 96 x 56 x 18mm (3.8" x 2.2" x 0.7") |
| DXO scores | ||
| DXO Overall rating | 66 | not tested |
| DXO Color Depth rating | 22.1 | not tested |
| DXO Dynamic range rating | 11.7 | not tested |
| DXO Low light rating | 721 | not tested |
| Other | ||
| Battery life | 220 shots | 250 shots |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | DMW-BLH7 | NP-BN |
| Self timer | Yes (2 or 10 sec, 10 sec (3 images)) | Yes (2 or 10 sec, Portrait 1/2) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo |
| Card slots | Single | Single |
| Cost at release | $966 | $330 |