Sigma fp L vs Sony A6400
83 Imaging
81 Features
80 Overall
80
83 Imaging
68 Features
88 Overall
76
Sigma fp L vs Sony A6400 Key Specs
(Full Review)
- 61MP - Full frame Sensor
- 3.2" Fixed Display
- ISO 100 - 25600 (Raise to 102400)
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Leica L Mount
- 427g - 113 x 70 x 45mm
- Introduced March 2021
- Replaced the Sigma fp
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Boost to 102400)
- 3840 x 2160 video
- Sony E Mount
- 403g - 120 x 67 x 50mm
- Revealed January 2019
Photography Glossary Sigma fp L vs Sony A6400 Overview
Here is a extended assessment of the Sigma fp L vs Sony A6400, both Advanced Mirrorless digital cameras by competitors Sigma and Sony. There exists a substantial gap between the sensor resolutions of the fp L (61MP) and A6400 (24MP) and the fp L (Full frame) and A6400 (APS-C) have totally different sensor sizing.
Photobucket discusses licensing 13 billion images with AI firmsThe fp L was launched 2 years later than the A6400 and that is quite a big difference as far as technology is concerned. Both of these cameras feature the same body design (Rangefinder-style mirrorless).
Before getting into a step-by-step comparison, here is a brief introduction of how the fp L scores vs the A6400 for portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Sigma fp L & Sony Alpha a6400. The complete galleries are viewable at Sigma fp L Gallery & Sony A6400 Gallery.
Reasons to pick Sigma fp L over the Sony A6400
| fp L | A6400 | |||
|---|---|---|---|---|
| Revealed | March 2021 | January 2019 | Fresher by 27 months | |
| Screen size | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 2100k | 922k | Sharper screen (+1178k dot) |
Reasons to pick Sony A6400 over the Sigma fp L
| A6400 | fp L | |||
|---|---|---|---|---|
| Screen type | Tilting | Fixed | Tilting screen | |
| Selfie screen | Take selfies |
Common features in the Sigma fp L and Sony A6400
| fp L | A6400 | |||
|---|---|---|---|---|
| Manual focus | Dial accurate focusing | |||
| Touch screen | Quickly navigate |
Sigma fp L vs Sony A6400 Physical Comparison
For those who are going to carry your camera, you will want to consider its weight and size. The Sigma fp L enjoys outer measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") along with a weight of 427 grams (0.94 lbs) and the Sony A6400 has specifications of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).
Check out the Sigma fp L vs Sony A6400 in our brand new Camera & Lens Size Comparison Tool.
Always remember, the weight of an ILC will change based on the lens you are utilizing at the time. Below is a front view scale comparison of the fp L vs the A6400.

Factoring in dimensions and weight, the portability grade of the fp L and A6400 is 83 and 83 respectively.
Sigma fp L vs Sony A6400 Sensor Comparison
Quite often, its difficult to see the gap between sensor sizing merely by looking at technical specs. The visual here might give you a greater sense of the sensor measurements in the fp L and A6400.
As you have seen, both the cameras come with different megapixel count and different sensor sizing. The fp L because of its bigger sensor will make shooting shallow DOF easier and the Sigma fp L will give you extra detail utilizing its extra 37MP. Higher resolution can also help you crop shots a good deal more aggressively. The newer fp L will have an advantage with regard to sensor technology.
Sigma fp L vs Sony A6400 Screen and ViewFinder
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Sigma fp L vs Sony A6400 Specifications
| Sigma fp L | Sony Alpha a6400 | |
|---|---|---|
| General Information | ||
| Brand Name | Sigma | Sony |
| Model | Sigma fp L | Sony Alpha a6400 |
| Class | Advanced Mirrorless | Advanced Mirrorless |
| Introduced | 2021-03-25 | 2019-01-15 |
| Physical type | Rangefinder-style mirrorless | Rangefinder-style mirrorless |
| Sensor Information | ||
| Chip | - | Bionz X |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor dimensions | 36 x 24mm | 23.5 x 15.6mm |
| Sensor surface area | 864.0mm² | 366.6mm² |
| Sensor resolution | 61 megapixels | 24 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 3:2 and 16:9 |
| Highest resolution | 9520 x 6328 | 6000 x 4000 |
| Highest native ISO | 25600 | 32000 |
| Highest boosted ISO | 102400 | 102400 |
| Minimum native ISO | 100 | 100 |
| RAW data | ||
| Minimum boosted ISO | 6 | - |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 49 | 425 |
| Lens | ||
| Lens mount | Leica L | Sony E |
| Amount of lenses | 40 | 121 |
| Focal length multiplier | 1 | 1.5 |
| Screen | ||
| Type of display | Fixed Type | Tilting |
| Display diagonal | 3.2" | 3" |
| Resolution of display | 2,100 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Electronic (optional) | Electronic |
| Viewfinder resolution | 3,680 thousand dots | 2,359 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.83x | 0.7x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shooting rate | 10.0fps | 11.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | no built-in flash | 6.00 m (at ISO 100) |
| Flash options | no built-in flash | Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 25p, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p, MOV, H.264, Linear PCM1920 x 1080 @ 120p, MOV, H.264, Linear PCM1920 x 1080 @ 100p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Highest video resolution | 3840x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264 | MPEG-4, H.264, XAVC-S |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | Yes (USB Power Delivery supported) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 427 gr (0.94 pounds) | 403 gr (0.89 pounds) |
| Physical dimensions | 113 x 70 x 45mm (4.4" x 2.8" x 1.8") | 120 x 67 x 50mm (4.7" x 2.6" x 2.0") |
| DXO scores | ||
| DXO All around score | not tested | 83 |
| DXO Color Depth score | not tested | 24.0 |
| DXO Dynamic range score | not tested | 13.6 |
| DXO Low light score | not tested | 1431 |
| Other | ||
| Battery life | 240 shots | 410 shots |
| Battery style | Battery Pack | Battery Pack |
| Battery model | BP-51 | NP-FW50 |
| Self timer | Yes (2 or 10 sec) | Yes |
| Time lapse feature | ||
| Storage type | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) |
| Card slots | 1 | 1 |
| Pricing at launch | $2,499 | $898 |