Olympus E-M10 IV vs Sony A7R IV
Portability
81 Imaging
63 Features
83 Overall
71
81 Imaging
63 Features
83 Overall
71
Portability
62 Imaging
81 Features
93 Overall
85
62 Imaging
81 Features
93 Overall
85
Olympus E-M10 IV vs Sony A7R IV Key Specs
Olympus E-M10 IV
(Full Review)
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 383g - 122 x 84 x 49mm
- Introduced August 2020
- Earlier Model is Olympus E-M10 III
Sony A7R IV
(Full Review)
(Full Review)
- 61MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Push to 102800)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 665g - 129 x 96 x 78mm
- Introduced July 2019
- Previous Model is Sony A7R III
- Replacement is Sony A7R V
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On this page, we will be analyzing the Olympus E-M10 IV vs Sony A7R IV, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by competitors Olympus and Sony. There is a crucial difference between the image resolutions of the E-M10 IV (20MP) and A7R IV (61MP) and the E-M10 IV (Four Thirds) and A7R IV (Full frame) provide totally different sensor size.
President Biden pushes bill mandating TikTok sale or banThe E-M10 IV was brought out 13 months after the A7R IV which makes them a generation away from each other. Each of these cameras have the same body design (SLR-style mirrorless).
Before we go right into a complete comparison, here is a simple overview of how the E-M10 IV grades vs the A7R IV in regards to portability, imaging, features and an overall mark.
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The following is a preview of the gallery images for Olympus OM-D E-M10 IV and Sony Alpha A7R IV. The entire galleries are provided at Olympus E-M10 IV Gallery and Sony A7R IV Gallery.
Reasons to pick Olympus E-M10 IV over the Sony A7R IV
| E-M10 IV | A7R IV | |||
|---|---|---|---|---|
| Introduced | August 2020 |  | July 2019 | Newer by 13 months |
| Selfie screen |  | Take selfies |
Reasons to pick Sony A7R IV over the Olympus E-M10 IV
| A7R IV | E-M10 IV | |||
|---|---|---|---|---|
| Screen resolution | 1440k |  | 1040k | Clearer screen (+400k dot) |
Common features in the Olympus E-M10 IV and Sony A7R IV
| E-M10 IV | A7R IV | |||
|---|---|---|---|---|
| Manual focus |  | More exact focusing | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimensions | 3" |  | 3" | Equal screen size |
| Touch screen |  | Quickly navigate |
Olympus E-M10 IV vs Sony A7R IV Physical Comparison
If you are aiming to travel with your camera frequently, you should factor its weight and volume. The Olympus E-M10 IV features exterior dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) while the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).
See the Olympus E-M10 IV vs Sony A7R IV in the new Camera and Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at that time. Below is a front view scale comparison of the E-M10 IV vs the A7R IV.
Factoring in size and weight, the portability score of the E-M10 IV and A7R IV is 81 and 62 respectively.
Olympus E-M10 IV vs Sony A7R IV Sensor Comparison
Usually, it is very tough to visualise the gap between sensor dimensions simply by reading through specifications. The pic underneath will provide you a much better sense of the sensor sizes in the E-M10 IV and A7R IV.
To sum up, both of the cameras provide different megapixel count and different sensor dimensions. The E-M10 IV because of its tinier sensor will make achieving bokeh tougher and the Sony A7R IV will give you more detail having its extra 41MP. Higher resolution can also help you crop photographs more aggressively. The newer E-M10 IV is going to have an edge in sensor technology.
Olympus E-M10 IV vs Sony A7R IV Screen and ViewFinder
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Portrait Comparison
Olympus E-M10 IV Portrait photography info
Sony A7R IV Portrait photography info
you can focus manually
MP count good (20 megapixels)
good sensor size (Four Thirds)
features face detect focus
exports RAW formats
you can focus manually
megapixel count great (61 megapixels)
large sensor size (Full frame)
has face detection focus
exports RAW formats
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Olympus E-M10 IV Street photography features
Sony A7R IV Street photography features
screen tilts up and down
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW formats
comes with touch to focus
above average ISO range (25,600)
tilting screen
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
provides focus by touch
weather proof
above average ISO range (32,000)
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Olympus E-M10 IV Sports photography advice
Sony A7R IV Sports photography advice
quiet shooting (1/16,000s)
has image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
good sensor size (Four Thirds)
features tracking focus
has no phase detect auto focus
high shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
megapixel count great (61MP)
large sensor size (Full frame)
has tracking autofocus
weather proof
better than average battery power (670 per charge)
comes with phase detect auto focus
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Olympus E-M10 IV Travel photography advice
Sony A7R IV Travel photography advice
has bluetooth
comes with touch to focus
MP count good (20MP)
built-in flash
selfie friendly display
better than average battery power (670 shots)
weather proof
connects via bluetooth
provides focus by touch
megapixel count great (61MP)
screen is not selfie friendly
Photography GlossaryLandscape Comparison
Olympus E-M10 IV as a Landscape photography camera
Sony A7R IV as a Landscape photography camera
you can focus manually
switch lenses (Micro Four Thirds mount)
nice screen size (3")
has image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
good sensor size (Four Thirds)
above average ISO range (25,600)
exports RAW formats
you can focus manually
swap lenses (Sony E mount)
screen is a decent size (3")
image stabilization (Sensor based 5-axis)
megapixel count great (61MP)
large sensor size (Full frame)
no anti-alias filter
above average ISO range (32,000)
exports RAW formats
weather proof
better than average battery power (670 CIPA)
two card slots
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Olympus E-M10 IV Vlogging factors
Sony A7R IV Vlogging factors
selfie friendly display
touchscreen capability
has image stabilization (Sensor based 5-axis)
features face detect focus
high video quality (3840 x 2160 pxls)
missing mic socket
touchscreen enabled
image stabilization (Sensor based 5-axis)
has face detection focus
high res video (3840 x 2160 resolution)
does have external mic socket
screen is not selfie friendly
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Olympus E-M10 IV vs Sony A7R IV Specifications
| Olympus OM-D E-M10 IV | Sony Alpha A7R IV | |
|---|---|---|
| General Information | ||
| Company | Olympus | Sony |
| Model type | Olympus OM-D E-M10 IV | Sony Alpha A7R IV |
| Type | Entry-Level Mirrorless | Pro Mirrorless |
| Introduced | 2020-08-04 | 2019-07-16 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | TruePic VIII | Bionz X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.4 x 13mm | 35.8 x 23.8mm |
| Sensor area | 226.2mm² | 852.0mm² |
| Sensor resolution | 20 megapixels | 61 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 9504 x 6336 |
| Maximum native ISO | 25600 | 32000 |
| Maximum boosted ISO | - | 102800 |
| Minimum native ISO | 200 | 100 |
| RAW format | ||
| Minimum boosted ISO | 100 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Total focus points | 121 | 567 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony E |
| Number of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Screen type | Tilting | Tilting |
| Screen diagonal | 3 inches | 3 inches |
| Screen resolution | 1,040k dots | 1,440k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360k dots | 5,760k dots |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.62x | 0.78x |
| Features | ||
| Lowest shutter speed | 60s | 30s |
| Highest shutter speed | 1/4000s | 1/8000s |
| Highest silent shutter speed | 1/16000s | - |
| Continuous shooting rate | 8.7fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 7.20 m (at ISO 200) | no built-in flash |
| Flash settings | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Highest flash synchronize | 1/250s | 1/250s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video data format | MPEG-4, H.264 | MPEG-4, XAVC S, H.264 |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1(5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 383 gr (0.84 pounds) | 665 gr (1.47 pounds) |
| Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 129 x 96 x 78mm (5.1" x 3.8" x 3.1") |
| DXO scores | ||
| DXO All around rating | not tested | 99 |
| DXO Color Depth rating | not tested | 26.0 |
| DXO Dynamic range rating | not tested | 14.8 |
| DXO Low light rating | not tested | 3344 |
| Other | ||
| Battery life | 360 images | 670 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | NP-FZ100 |
| Self timer | Yes (2 or 12 sec, custom) | Yes |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | Dual SD/SDHC/SDXC (UHS-II compatible) |
| Card slots | Single | Dual |
| Price at launch | $699 | $3,498 |
