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The Pentax K-3 Mark III outperforms the Pentax K-70 with a score of 83/100 compared to 69/100. Both cameras share the DSLR type, and their sizes are quite similar, with the K-3 Mark III measuring 135 x 104 x 74mm and the K-70 at 126 x 93 x 74mm.
The K-3 Mark III excels with its 2021 release year and higher launch price of $1999, indicating more advanced features and technology. It weighs slightly more at 820g, which can be a sign of a more robust build. On the other hand, the K-70 has a lower launch price of $650 and is lighter at 688g, making it a more budget-friendly and portable option.
Considering these specifications, the Pentax K-3 Mark III is a superior camera with a higher score, while the Pentax K-70 offers a more affordable and lightweight alternative for those with a tighter budget.
Pentax K-3 Mark III vs K-70 Overview and Optics
The Pentax K-3 Mark III outperforms the Pentax K-70 in optics, scoring 82 out of 100, while the K-70 scores 74. Both cameras share several specifications, including the CMOS sensor type, APS-C sensor size, Pentax KAF2 lens mount, and image stabilization. These common features provide a solid foundation for both cameras, ensuring quality performance in various shooting conditions.
The K-3 Mark III has several advantages over the K-70. With 26 megapixels, it provides higher resolution images than the K-70, which has 24 megapixels. The K-3 Mark III also boasts a faster shooting speed of 12 frames per second, doubling the K-70’s 6 frames per second. This difference enables the K-3 Mark III to capture fast-paced action more effectively. Furthermore, the K-3 Mark III’s Prime IV processor and DXOMARK sensor score of 96 contribute to its superior image quality and processing capabilities compared to the K-70’s Prime MII processor and DXOMARK sensor score of 88.
On the other hand, the K-70 offers a few advantages, but they are limited in comparison to the K-3 Mark III’s superiority. The K-70’s lower score does not necessarily mean it is a bad camera; it simply lacks the enhanced features that the K-3 Mark III possesses.
Given the differences and similarities between the Pentax K-3 Mark III and the Pentax K-70, the K-3 Mark III emerges as the better camera in terms of optics. Its higher resolution, faster shooting speed, and superior processor and sensor performance make it a more capable and versatile option for photographers. Although the K-70 still offers quality performance with its shared features, the K-3 Mark III is the clear winner in this comparison.
Optics
Pentax K-3 Mark III
Pentax K-70
Megapixels
26 MP
24 MP
Image Resolution
6192 x 4128 px
6000 x 4000 px
Sensor Type
CMOS
CMOS
Sensor Size
23 x 15.5 mm
23.5 x 15.6 mm
Sensor Format
APS-C
APS-C
Frame Rate
12 fps
6 fps
Lens Mount
Pentax KAF2
Pentax KAF2
Image Processor
Prime IV
Prime MII
Aspect Ratio
3:2
3:2
Minimum ISO (Native)
100
100
Maximum ISO (Native)
1,600,000
102,400
Minimum ISO (Expanded)
100
100
Maximum ISO (Expanded)
1600000
102400
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 6000 s
Autofocus Points
101
11
In-body Stabilization
Viewfinder Type
Optical (pentaprism)
Optical (pentaprism)
Pentax K-3 Mark III vs K-70 Video Performance
The Pentax K-3 Mark III emerges as the winner in video capabilities with a score of 83/100, while the Pentax K-70 scores 70/100. Both cameras share some common video specifications, such as a maximum video frame rate of 60fps and built-in time-lapse functionality. However, there are key differences between the two models that set them apart.
The Pentax K-3 Mark III outperforms the K-70 with a maximum video resolution of 4K (3840 x 2160), significantly higher than the K-70’s Full HD (1920 x 1080) resolution. This means that the K-3 Mark III can capture videos with greater detail and clarity, making it more suitable for professional video recording and content creation.
On the other hand, the Pentax K-70 still has its merits, particularly for users who prioritize simplicity and cost-effectiveness. With a Full HD video resolution, the K-70 offers satisfactory video quality for casual users and hobbyists. It may not be as advanced as the K-3 Mark III, but it still provides a decent video recording experience.
Taking all the factors into account, the Pentax K-3 Mark III is the superior choice for video capabilities, offering 4K resolution and maintaining the same frame rate and time-lapse features as the K-70. It caters to professionals and content creators seeking high-quality video output. Meanwhile, the Pentax K-70 remains a viable option for those who prefer a more straightforward and budget-friendly camera without compromising too much on video quality.
Video
Pentax K-3 Mark III
Pentax K-70
Video
Max Video Resolution
4K
Full HD
Max Video Dimensions
3840 x 2160 px
1920 x 1080 px
Max Video Frame Rate
60 p
60 p
Time-Lapse Built In
Video File Format
MPEG-4, MOV
MPEG-4, MOV
Pentax K-3 Mark III vs K-70 Features and Benefits
The Pentax K-3 Mark III outperforms the Pentax K-70 in features with a score of 87/100, compared to the K-70’s 68/100. Both cameras share some specifications, including WIFI and Bluetooth capabilities. However, there are distinct differences that set them apart.
The K-3 Mark III boasts a larger screen size of 3.2 inches and a higher screen resolution of 1,620,000 dots, providing clearer and more detailed image previews. Additionally, the K-3 Mark III has a touchscreen, making it easier to navigate menus and adjust settings quickly.
On the other hand, the Pentax K-70 has a flip screen and GPS functionality, which the K-3 Mark III lacks. The flip screen allows for more versatile shooting angles, while the GPS feature is useful for geotagging images. Despite these advantages, the K-70 has a smaller screen size of 3 inches and a lower screen resolution of 921,000 dots.
Considering the differences in features, the Pentax K-3 Mark III stands out as the superior camera due to its larger screen size, higher screen resolution, and touchscreen capability. These attributes contribute to a more convenient and enjoyable user experience. While the Pentax K-70 offers a flip screen and GPS, these features do not outweigh the benefits provided by the K-3 Mark III’s higher feature score.
Ultimately, the Pentax K-3 Mark III is the better camera in terms of features. Photographers who prioritize screen size, resolution, and touchscreen functionality should choose the K-3 Mark III. Meanwhile, those who value a flip screen and GPS capabilities may still find the Pentax K-70 to be a suitable option.
Features
Pentax K-3 Mark III
Pentax K-70
Built-in Flash
External Flash
GPS
Weather Sealing
Screen Type
TFT LCD
LCD
Touch Screen
Screen Size
3.2"
3"
Screen Resolution
1,620,000 dots
921,000 dots
Flip Screen
Live View
Wi-Fi
Bluetooth
Pentax K-3 Mark III vs K-70 Storage and Battery
The Pentax K-3 Mark III outperforms the Pentax K-70 in storage and battery with a score of 81/100, compared to the K-70’s 24/100. Both cameras share compatibility with SD, SDHC, and SDXC memory cards. However, the K-3 Mark III has two memory card slots, with one being UHS-II compatible, while the K-70 only has one slot, which is UHS-I compatible.
The K-3 Mark III excels in battery life, providing 800 shots per charge using the D-LI90 battery type. Additionally, it supports USB charging. On the other hand, the K-70 offers 410 shots per charge with its D-LI109 battery and lacks USB charging capabilities.
While the K-70 falls short in storage and battery performance, it may still be a suitable option for casual photographers or those prioritizing other features. However, for professionals and enthusiasts seeking longer battery life, more storage options, and USB charging, the K-3 Mark III is the superior choice in this comparison.
Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Pentax K-3 Mark III or the Pentax K-70:
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Prices last updated on .
As an Amazon Associate, I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
If you buy a product through one of our referral links we will earn a commission (without costing you anything).
Prices last updated on .
As an Amazon Associate, I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.