Sony a1 vs Sony T90
61 Imaging
81 Features
93 Overall
85


96 Imaging
34 Features
26 Overall
30
Sony a1 vs Sony T90 Key Specs
(Full Review)
- 50MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Raise to 102400)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 7680 x 4320 video
- Sony E Mount
- 737g - 129 x 97 x 70mm
- Released January 2021
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 35-140mm (F3.5-10.0) lens
- 148g - 94 x 57 x 15mm
- Released February 2009

Sony a1 vs Sony T90 Overview
Below is a extensive assessment of the Sony a1 versus Sony T90, one being a Pro Mirrorless and the latter is a Ultracompact and both are designed by Sony. There exists a sizeable gap between the sensor resolutions of the a1 (50MP) and T90 (12MP) and the a1 (Full frame) and T90 (1/2.3") boast different sensor sizes.

The a1 was unveiled 12 years later than the T90 and that is quite a large gap as far as technology is concerned. Both cameras have different body design with the Sony a1 being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.
Before we go right into a detailed comparison, here is a short introduction of how the a1 matches up vs the T90 in regards to portability, imaging, features and an overall grade.

Sony a1 vs Sony T90 Gallery
Below is a preview of the gallery images for Sony Alpha a1 and Sony Cyber-shot DSC-T90. The full galleries are available at Sony a1 Gallery and Sony T90 Gallery.
Reasons to pick Sony a1 over the Sony T90
a1 | T90 | |||
---|---|---|---|---|
Released | January 2021 | ![]() | February 2009 | More recent by 146 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1440k | ![]() | 230k | Crisper screen (+1210k dot) |
Reasons to pick Sony T90 over the Sony a1
T90 | a1 |
---|
Common features in the Sony a1 and Sony T90
a1 | T90 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial exact focus | ||
Screen dimensions | 3" | ![]() | 3" | Equal screen dimensions |
Selfie screen | ![]() | Lack of selfie screen | ||
Touch screen | ![]() | Quickly navigate |
Sony a1 vs Sony T90 Physical Comparison
In case you're intending to lug around your camera frequently, you need to take into account its weight and volume. The Sony a1 has got outer dimensions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") with a weight of 737 grams (1.62 lbs) while the Sony T90 has sizing of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") with a weight of 148 grams (0.33 lbs).
See the Sony a1 versus Sony T90 in the latest Camera and Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at that time. The following is a front view dimensions comparison of the a1 and the T90.

Factoring in dimensions and weight, the portability rating of the a1 and T90 is 61 and 96 respectively.

Sony a1 vs Sony T90 Sensor Comparison
Quite often, its difficult to picture the difference between sensor measurements purely by reviewing technical specs. The photograph here should offer you a stronger sense of the sensor sizes in the a1 and T90.
As you have seen, each of these cameras have different megapixel count and different sensor measurements. The a1 using its bigger sensor is going to make getting shallower DOF easier and the Sony a1 will offer you more detail having an extra 38 Megapixels. Higher resolution can also allow you to crop pictures a bit more aggressively. The younger a1 should have an edge when it comes to sensor tech.

Sony a1 vs Sony T90 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sony a1 vs Sony T90 Specifications
Sony Alpha a1 | Sony Cyber-shot DSC-T90 | |
---|---|---|
General Information | ||
Manufacturer | Sony | Sony |
Model | Sony Alpha a1 | Sony Cyber-shot DSC-T90 |
Type | Pro Mirrorless | Ultracompact |
Released | 2021-01-26 | 2009-02-17 |
Body design | SLR-style mirrorless | Ultracompact |
Sensor Information | ||
Sensor type | BSI-CMOS | CCD |
Sensor size | Full frame | 1/2.3" |
Sensor dimensions | 35.9 x 24mm | 6.17 x 4.55mm |
Sensor surface area | 861.6mm² | 28.1mm² |
Sensor resolution | 50 megapixels | 12 megapixels |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3, 3:2 and 16:9 |
Peak resolution | 8640 x 5760 | 4000 x 3000 |
Highest native ISO | 32000 | 3200 |
Highest enhanced ISO | 102400 | - |
Lowest native ISO | 100 | 80 |
RAW support | ||
Lowest enhanced ISO | 50 | - |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Number of focus points | 759 | 9 |
Lens | ||
Lens mount | Sony E | fixed lens |
Lens focal range | - | 35-140mm (4.0x) |
Max aperture | - | f/3.5-10.0 |
Available lenses | 133 | - |
Crop factor | 1 | 5.8 |
Screen | ||
Range of display | Tilting | Fixed Type |
Display size | 3 inches | 3 inches |
Display resolution | 1,440 thousand dot | 230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Viewfinder Information | ||
Viewfinder | Electronic | None |
Viewfinder resolution | 9,437 thousand dot | - |
Viewfinder coverage | 100% | - |
Viewfinder magnification | 0.9x | - |
Features | ||
Min shutter speed | 30 seconds | 1 seconds |
Max shutter speed | 1/8000 seconds | 1/1600 seconds |
Max quiet shutter speed | 1/32000 seconds | - |
Continuous shutter speed | 30.0 frames per second | 2.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | - |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 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 | ||
White balance bracketing | ||
Max flash sync | 1/400 seconds | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 7680x4320 (30p, 25p, 23.98) | 1280 x 720 (30 fps) 640 x 480 (30 fps) |
Highest video resolution | 7680x4320 | 1280x720 |
Video format | XAVC S, XAVC HS, H.264, H.265 | Motion JPEG |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | Yes | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 737 grams (1.62 lbs) | 148 grams (0.33 lbs) |
Physical dimensions | 129 x 97 x 70mm (5.1" x 3.8" x 2.8") | 94 x 57 x 15mm (3.7" x 2.2" x 0.6") |
DXO scores | ||
DXO Overall score | not tested | not tested |
DXO Color Depth score | not tested | not tested |
DXO Dynamic range score | not tested | not tested |
DXO Low light score | not tested | not tested |
Other | ||
Battery life | 530 pictures | - |
Battery form | Battery Pack | - |
Battery model | NP-FZ100 | - |
Self timer | Yes | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | Dual SD/CFexpress Type A slots (UHS-II supported) | Memory Stick Duo / Pro Duo, Internal |
Storage slots | 2 | Single |
Price at release | $6,498 | $259 |