Sony A7R IV vs Sony T90
62 Imaging
81 Features
93 Overall
85
96 Imaging
35 Features
26 Overall
31
Sony A7R IV vs Sony T90 Key Specs
(Full Review)
- 61MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Boost 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
- Launched July 2019
- Superseded the Sony A7R III
- Successor is Sony A7R V
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 35-140mm (F3.5-10.0) lens
- 148g - 94 x 57 x 15mm
- Announced February 2009
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In this article, we are evaluating the Sony A7R IV vs Sony T90, one is a Pro Mirrorless and the other is a Ultracompact and both are designed by Sony. There exists a crucial gap among the resolutions of the A7R IV (61MP) and T90 (12MP) and the A7R IV (Full frame) and T90 (1/2.3") feature different sensor sizes.
Photography GlossaryThe A7R IV was introduced 10 years after the T90 which is a fairly serious gap as far as camera technology is concerned. Both cameras offer different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.
Before going in to a in depth comparison, below is a concise overview of how the A7R IV grades against the T90 for portability, imaging, features and an overall score.
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This is a sample of the gallery pictures for Sony Alpha A7R IV and Sony Cyber-shot DSC-T90. The whole galleries are provided at Sony A7R IV Gallery and Sony T90 Gallery.
Reasons to pick Sony A7R IV over the Sony T90
| A7R IV | T90 | |||
|---|---|---|---|---|
| Announced | July 2019 |  | February 2009 | More modern by 127 months |
| Display type | Tilting |  | Fixed | Tilting display |
| Display resolution | 1440k |  | 230k | Sharper display (+1210k dot) |
Reasons to pick Sony T90 over the Sony A7R IV
| T90 | A7R IV |
|---|
Common features in the Sony A7R IV and Sony T90
| A7R IV | T90 | |||
|---|---|---|---|---|
| Manually focus |  | Very exact focus | ||
| Display sizing | 3" |  | 3" | Equivalent display dimensions |
| Selfie screen |  | No selfie screen | ||
| Touch friendly display |  | Easily navigate |
Sony A7R IV vs Sony T90 Physical Comparison
For anyone who is intending to carry around your camera regularly, you will need to factor in its weight and dimensions. The Sony A7R IV enjoys physical measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs) and the Sony T90 has dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).
Contrast the Sony A7R IV vs Sony T90 in the new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at the time. Underneath is the front view overall size comparison of the A7R IV versus the T90.
Factoring in dimensions and weight, the portability rating of the A7R IV and T90 is 62 and 96 respectively.
Sony A7R IV vs Sony T90 Sensor Comparison
Normally, it can be difficult to picture the gap in sensor sizes simply by checking out a spec sheet. The picture underneath might offer you a clearer sense of the sensor sizing in the A7R IV and T90.
As you can see, both cameras enjoy different resolutions and different sensor sizes. The A7R IV using its larger sensor is going to make shooting shallow depth of field simpler and the Sony A7R IV will show more detail using its extra 49 Megapixels. Greater resolution will also make it easier to crop pics far more aggressively. The younger A7R IV provides an advantage when it comes to sensor technology.
Sony A7R IV vs Sony T90 Screen and ViewFinder
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Sony A7R IV vs Sony T90 Specifications
| Sony Alpha A7R IV | Sony Cyber-shot DSC-T90 | |
|---|---|---|
| General Information | ||
| Brand Name | Sony | Sony |
| Model type | Sony Alpha A7R IV | Sony Cyber-shot DSC-T90 |
| Class | Pro Mirrorless | Ultracompact |
| Launched | 2019-07-16 | 2009-02-17 |
| Physical type | SLR-style mirrorless | Ultracompact |
| Sensor Information | ||
| Processor Chip | Bionz X | - |
| Sensor type | BSI-CMOS | CCD |
| Sensor size | Full frame | 1/2.3" |
| Sensor measurements | 35.8 x 23.8mm | 6.17 x 4.55mm |
| Sensor surface area | 852.0mm² | 28.1mm² |
| Sensor resolution | 61 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3, 3:2 and 16:9 |
| Maximum resolution | 9504 x 6336 | 4000 x 3000 |
| Maximum native ISO | 32000 | 3200 |
| Maximum boosted ISO | 102800 | - |
| Minimum native ISO | 100 | 80 |
| RAW support | ||
| Minimum boosted ISO | 50 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| Center weighted AF | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 567 | 9 |
| Lens | ||
| Lens mount type | Sony E | fixed lens |
| Lens zoom range | - | 35-140mm (4.0x) |
| Largest aperture | - | f/3.5-10.0 |
| Total lenses | 121 | - |
| Crop factor | 1 | 5.8 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display size | 3" | 3" |
| Display resolution | 1,440k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | None |
| Viewfinder resolution | 5,760k dots | - |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.78x | - |
| Features | ||
| Lowest shutter speed | 30 secs | 1 secs |
| Highest shutter speed | 1/8000 secs | 1/1600 secs |
| Continuous shooting rate | 10.0 frames/s | 2.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | - |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | 2.90 m (Auto ISO) |
| Flash settings | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. | Auto, On, Off, Red-Eye reduction, Slow Sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash synchronize | 1/250 secs | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM | 1280 x 720 (30 fps) 640 x 480 (30 fps) |
| Maximum video resolution | 3840x2160 | 1280x720 |
| Video data format | MPEG-4, XAVC S, H.264 | Motion JPEG |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1(5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 665g (1.47 lb) | 148g (0.33 lb) |
| Dimensions | 129 x 96 x 78mm (5.1" x 3.8" x 3.1") | 94 x 57 x 15mm (3.7" x 2.2" x 0.6") |
| DXO scores | ||
| DXO All around rating | 99 | not tested |
| DXO Color Depth rating | 26.0 | not tested |
| DXO Dynamic range rating | 14.8 | not tested |
| DXO Low light rating | 3344 | not tested |
| Other | ||
| Battery life | 670 photos | - |
| Battery style | Battery Pack | - |
| Battery ID | NP-FZ100 | - |
| Self timer | Yes | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | Dual SD/SDHC/SDXC (UHS-II compatible) | Memory Stick Duo / Pro Duo, Internal |
| Card slots | Dual | One |
| Retail pricing | $3,498 | $259 |
