Panasonic GH4 vs Pentax 645Z
66 Imaging
53 Features
88 Overall
67
49 Imaging
80 Features
74 Overall
77
Panasonic GH4 vs Pentax 645Z Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 560g - 133 x 93 x 84mm
- Launched February 2014
- Superseded the Panasonic GH3
- Updated by Panasonic GH5
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Revealed April 2014
- Previous Model is Pentax 645D
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In this write-up, we are reviewing the Panasonic GH4 and Pentax 645Z, former is a Pro Mirrorless while the other is a Pro DSLR by brands Panasonic and Pentax. There exists a considerable gap between the sensor resolutions of the GH4 (16MP) and 645Z (51MP) and the GH4 (Four Thirds) and 645Z (Medium format) feature totally different sensor sizes.
President Biden pushes bill mandating TikTok sale or banThe GH4 was brought out 2 months earlier than the 645Z and they are of a similar age. Both the cameras offer different body type with the Panasonic GH4 being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.
Before going in to a detailed comparison, below is a brief view of how the GH4 matches up versus the 645Z when it comes to portability, imaging, features and an overall mark.
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Here is a sample of the gallery pictures for Panasonic Lumix DMC-GH4 & Pentax 645Z. The entire galleries are viewable at Panasonic GH4 Gallery & Pentax 645Z Gallery.
Reasons to pick Panasonic GH4 over the Pentax 645Z
| GH4 | 645Z | |||
|---|---|---|---|---|
| Display type | Fully Articulated |  | Tilting | Fully Articulating display |
| Selfie screen |  | Easy selfies | ||
| Touch display |  | Easily navigate |
Reasons to pick Pentax 645Z over the Panasonic GH4
| 645Z | GH4 | |||
|---|---|---|---|---|
| Display sizing | 3.2" |  | 3" | Larger display (+0.2") |
| Display resolution | 1037k |  | 1036k | Crisper display (+1k dot) |
Common features in the Panasonic GH4 and Pentax 645Z
| GH4 | 645Z | |||
|---|---|---|---|---|
| Revealed | February 2014 |  | April 2014 | Similar age |
| Manually focus |  | More accurate focusing |
Panasonic GH4 vs Pentax 645Z Physical Comparison
If you are intending to travel with your camera frequently, you will have to consider its weight and volume. The Panasonic GH4 has got outside dimensions of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") and a weight of 560 grams (1.23 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).
Check out the Panasonic GH4 and Pentax 645Z in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ depending on the lens you are utilizing at that moment. Underneath is the front view size comparison of the GH4 versus the 645Z.
Using dimensions and weight, the portability score of the GH4 and 645Z is 66 and 49 respectively.
Panasonic GH4 vs Pentax 645Z Sensor Comparison
Normally, it is very hard to see the gap between sensor dimensions simply by checking specifications. The pic underneath will provide you a far better sense of the sensor dimensions in the GH4 and 645Z.
To sum up, both the cameras offer different megapixels and different sensor dimensions. The GH4 because of its tinier sensor will make getting shallow DOF trickier and the Pentax 645Z will give greater detail having its extra 35 Megapixels. Greater resolution will also help you crop photos a little more aggressively.
Panasonic GH4 vs Pentax 645Z Screen and ViewFinder
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Panasonic GH4 vs Pentax 645Z Specifications
| Panasonic Lumix DMC-GH4 | Pentax 645Z | |
|---|---|---|
| General Information | ||
| Make | Panasonic | Pentax |
| Model | Panasonic Lumix DMC-GH4 | Pentax 645Z |
| Type | Pro Mirrorless | Pro DSLR |
| Launched | 2014-02-07 | 2014-04-15 |
| Body design | SLR-style mirrorless | Large SLR |
| Sensor Information | ||
| Processor Chip | Venus Engine IX | PRIME III |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | Medium format |
| Sensor dimensions | 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 |
| Full resolution | 4608 x 3456 | 8256 x 6192 |
| Max native ISO | 25600 | 204800 |
| Lowest native ISO | 200 | 100 |
| RAW files | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Number of focus points | 49 | 27 |
| Lens | ||
| Lens mount | Micro Four Thirds | Pentax 645AF2 |
| Total lenses | 107 | 6 |
| Crop factor | 2.1 | 0.8 |
| Screen | ||
| Screen type | Fully Articulated | Tilting |
| Screen size | 3 inch | 3.2 inch |
| Resolution of screen | 1,036 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen technology | OLED | - |
| Viewfinder Information | ||
| Viewfinder | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 2,359 thousand dot | - |
| Viewfinder coverage | 100% | 98% |
| Viewfinder magnification | 0.67x | 0.85x |
| Features | ||
| Slowest shutter speed | 60 seconds | 30 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shooting speed | 12.0 frames per sec | 3.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 17.00 m (at ISO 200) | no built-in flash |
| Flash options | Auto, auto/redeye reduction, forced on, forced on/redeye reduction, slow sync, slow sync/redeye reduction, forced 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 | ||
| WB bracketing | ||
| Maximum flash sync | 1/250 seconds | 1/125 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 4096 x 2160 (24p), 3840 x 2160 (24p, 25p, 30p), 1920 x 1080 (24p, 25p, 30p, 50p, 60p), 1280 x 720 (24p, 25p, 30p), 640 x 480 (25p, 30p) | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) |
| Max video resolution | 4096x2160 | 1920x1080 |
| Video file format | MPEG-4, AVCHD | MPEG-4, H.264 |
| Mic 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 | 560 grams (1.23 lbs) | 1550 grams (3.42 lbs) |
| Dimensions | 133 x 93 x 84mm (5.2" x 3.7" x 3.3") | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") |
| DXO scores | ||
| DXO All around score | 74 | 101 |
| DXO Color Depth score | 23.2 | 26.0 |
| DXO Dynamic range score | 12.8 | 14.7 |
| DXO Low light score | 791 | 4505 |
| Other | ||
| Battery life | 500 images | 650 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | DMW-BLF19 | D-LI90 |
| Self timer | Yes (2 or 10 secs (single or three-shot)) | Yes (2 or 10 secs) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots |
| Storage slots | Single | 2 |
| Launch pricing | $1,500 | $5,024 |