Panasonic GM5 vs Pentax 645Z
91 Imaging
53 Features
62 Overall
56
49 Imaging
80 Features
74 Overall
77
Panasonic GM5 vs Pentax 645Z 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
- Released September 2014
- Superseded the Panasonic GM1
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Screen
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Announced April 2014
- Superseded the Pentax 645D
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Below is a comprehensive comparison of the Panasonic GM5 versus Pentax 645Z, former being a Entry-Level Mirrorless while the latter is a Pro DSLR by competitors Panasonic and Pentax. There exists a considerable gap between the sensor resolutions of the GM5 (16MP) and 645Z (51MP) and the GM5 (Four Thirds) and 645Z (Medium format) come with different sensor sizing.
President Biden pushes bill mandating TikTok sale or banThe GM5 was revealed 6 months later than the 645Z and they are both of a similar age. Both of the cameras offer different body type with the Panasonic GM5 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.
Before going in to a full comparison, below is a concise view of how the GM5 grades vs the 645Z with regards to portability, imaging, features and an overall grade.
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Reasons to pick Panasonic GM5 over the Pentax 645Z
| GM5 | 645Z | |||
|---|---|---|---|---|
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Pentax 645Z over the Panasonic GM5
| 645Z | GM5 | |||
|---|---|---|---|---|
| Screen type | Tilting |  | Fixed | Tilting screen |
| Screen sizing | 3.2" |  | 3" | Bigger screen (+0.2") |
| Screen resolution | 1037k |  | 921k | Clearer screen (+116k dot) |
Common features in the Panasonic GM5 and Pentax 645Z
| GM5 | 645Z | |||
|---|---|---|---|---|
| Announced | September 2014 |  | April 2014 | Similar age |
| Manually focus |  | Very exact focus | ||
| Selfie screen |  | Missing selfie screen |
Panasonic GM5 vs Pentax 645Z Physical Comparison
If you're intending to lug around your camera regularly, you need to consider its weight and dimensions. The Panasonic GM5 has exterior dimensions of 99mm x 60mm x 36mm (3.9" x 2.4" x 1.4") along with a weight of 211 grams (0.47 lbs) while the Pentax 645Z has dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).
Look at the Panasonic GM5 versus Pentax 645Z in our completely new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will vary based on the lens you are using during that time. Following is the front view overall size comparison of the GM5 against the 645Z.
Using dimensions and weight, the portability score of the GM5 and 645Z is 91 and 49 respectively.
Panasonic GM5 vs Pentax 645Z Sensor Comparison
Normally, it can be tough to picture the difference between sensor measurements purely by reading specs. The graphic underneath should offer you a greater sense of the sensor dimensions in the GM5 and 645Z.
As you can plainly see, both of these cameras offer different resolutions and different sensor measurements. The GM5 having a tinier sensor is going to make shooting bokeh harder and the Pentax 645Z will offer more detail because of its extra 35 Megapixels. Higher resolution will also let you crop photographs a little more aggressively.
Panasonic GM5 vs Pentax 645Z Screen and ViewFinder
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Panasonic GM5 vs Pentax 645Z Specifications
| Panasonic Lumix DMC-GM5 | Pentax 645Z | |
|---|---|---|
| General Information | ||
| Company | Panasonic | Pentax |
| Model | Panasonic Lumix DMC-GM5 | Pentax 645Z |
| Category | Entry-Level Mirrorless | Pro DSLR |
| Released | 2014-09-15 | 2014-04-15 |
| Body design | Rangefinder-style mirrorless | Large SLR |
| Sensor Information | ||
| Powered by | Venus Engine | PRIME III |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | Medium format |
| Sensor measurements | 17.3 x 13mm | 44 x 33mm |
| Sensor area | 224.9mm² | 1,452.0mm² |
| Sensor resolution | 16MP | 51MP |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3 |
| Highest Possible resolution | 4592 x 3448 | 8256 x 6192 |
| Maximum native ISO | 25600 | 204800 |
| Minimum native ISO | 200 | 100 |
| RAW format | ||
| Minimum enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | 23 | 27 |
| Lens | ||
| Lens mount | Micro Four Thirds | Pentax 645AF2 |
| Number of lenses | 107 | 6 |
| Crop factor | 2.1 | 0.8 |
| Screen | ||
| Screen type | Fixed Type | Tilting |
| Screen diagonal | 3 inches | 3.2 inches |
| Resolution of screen | 921 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 1,166 thousand dot | - |
| Viewfinder coverage | 100% | 98% |
| Viewfinder magnification | 0.46x | 0.85x |
| Features | ||
| Min shutter speed | 60s | 30s |
| Max shutter speed | 1/500s | 1/4000s |
| Max silent shutter speed | 1/16000s | - |
| Continuous shutter speed | 5.8 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash settings | Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction, off | Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Max flash sync | - | 1/125s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60p, 60i, 50p, 50i, 25p, 24p), 1280 x 720 (30p, 25p), 640 x 480 (30p, 25p) | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) |
| Maximum video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, AVCHD | MPEG-4, H.264 |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 211 gr (0.47 lbs) | 1550 gr (3.42 lbs) |
| Dimensions | 99 x 60 x 36mm (3.9" x 2.4" x 1.4") | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") |
| DXO scores | ||
| DXO Overall score | 66 | 101 |
| DXO Color Depth score | 22.1 | 26.0 |
| DXO Dynamic range score | 11.7 | 14.7 |
| DXO Low light score | 721 | 4505 |
| Other | ||
| Battery life | 220 images | 650 images |
| Battery form | Battery Pack | Battery Pack |
| Battery model | DMW-BLH7 | D-LI90 |
| Self timer | Yes (2 or 10 sec, 10 sec (3 images)) | Yes (2 or 10 secs) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots |
| Storage slots | One | Dual |
| Cost at release | $966 | $5,024 |