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Sigma fp vs Sony A6400

Portability
84
Imaging
76
Features
79
Overall
77
Sigma fp front
 
Sony Alpha a6400 front
Portability
83
Imaging
69
Features
88
Overall
76

Sigma fp vs Sony A6400 Key Specs

Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Bump to 102400)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Introduced July 2019
  • Updated by Sigma fp L
Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Bump to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Announced January 2019
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Sigma fp vs Sony A6400 Overview

Let's examine more closely at the Sigma fp versus Sony A6400, both Advanced Mirrorless digital cameras by competitors Sigma and Sony. The sensor resolution of the fp (25MP) and the A6400 (24MP) is relatively similar but the fp (Full frame) and A6400 (APS-C) enjoy different sensor sizes.

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The fp was brought out 6 months after the A6400 and they are of a similar generation. Both of these cameras offer the identical body type (Rangefinder-style mirrorless).

Before delving straight into a thorough comparison, below is a concise summation of how the fp grades against the A6400 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sigma fp over the Sony A6400

 fp A6400 
Screen sizing3.2"3"Bigger screen (+0.2")
Screen resolution2100k922kClearer screen (+1178k dot)

Reasons to pick Sony A6400 over the Sigma fp

 A6400 fp 
Screen typeTiltingFixed Tilting screen
Selfie screen Easy selfies

Common features in the Sigma fp and Sony A6400

 fp A6400 
AnnouncedJuly 2019January 2019Similar generation
Manual focus More accurate focusing
Touch screen Quickly navigate

Sigma fp vs Sony A6400 Physical Comparison

If you're intending to travel with your camera frequently, you'll need to factor its weight and measurements. The Sigma fp offers exterior measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") along with a weight of 422 grams (0.93 lbs) while the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Check out the Sigma fp versus Sony A6400 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at the time. Following is the front view overall size comparison of the fp vs the A6400.

Sigma fp vs Sony A6400 size comparison

Using size and weight, the portability rating of the fp and A6400 is 84 and 83 respectively.

Sigma fp vs Sony A6400 top view buttons comparison

Sigma fp vs Sony A6400 Sensor Comparison

Oftentimes, its tough to picture the gap between sensor dimensions purely by reviewing specifications. The image below should offer you a clearer sense of the sensor measurements in the fp and A6400.

To sum up, each of these cameras offer different resolutions and different sensor dimensions. The fp because of its bigger sensor is going to make achieving shallower depth of field easier and the Sigma fp will offer you greater detail having its extra 1MP. Higher resolution will also let you crop shots a little more aggressively.

Sigma fp vs Sony A6400 sensor size comparison

Sigma fp vs Sony A6400 Screen and ViewFinder

Sigma fp vs Sony A6400 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma fp Portrait photography advice
Sony A6400 Portrait photography advice
85
you can focus manually
excellent sensor resolution (25MP)
sensor size is big (Full frame)
includes face detect autofocus
supports RAW formats
81
focusing manually
decent sensor resolution (24 megapixels)
nice sensor size (APS-C)
comes with face detection focus
delivers RAW files
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Street Comparison

Sigma fp Street photography factors
Sony A6400 Street photography factors
77
sensor size is big (Full frame)
supports RAW formats
includes touch focus
environment proofing
good high ISO (25,600)
fixed screen
does not have image stabilization
81
tilting screen
nice sensor size (APS-C)
delivers RAW files
features focus by touch
weather proofing
great ISO range (32,000)
does not have image stabilization
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Sports Comparison

Sigma fp Sports photography information
Sony A6400 Sports photography information
73
great max shutter speed (1/8,000 seconds)
excellent sensor resolution (25 megapixels)
sensor size is big (Full frame)
includes tracking focus
environment proofing
does not have image stabilization
does not have phase detect autofocus
76
decent sensor resolution (24 megapixels)
nice sensor size (APS-C)
comes with tracking autofocus
weather proofing
supports phase detect auto focus
does not have image stabilization
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Travel Comparison

Sigma fp as a Travel photography camera
Sony A6400 as a Travel photography camera
78
environment proofing
includes touch focus
excellent sensor resolution (25 megapixels)
screen is not selfie friendly
87
weather proofing
supports bluetooth
features focus by touch
decent sensor resolution (24MP)
flash built-in
display is selfie friendly
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Landscape Comparison

Landscape photography with Sigma fp
Landscape photography with Sony A6400
83
you can focus manually
change lenses (Leica L mount)
screen size is good (3.2 inches)
excellent sensor resolution (25MP)
sensor size is big (Full frame)
good high ISO (25,600)
supports RAW formats
environment proofing
does not have image stabilization
80
focusing manually
change lenses (Sony E mount)
screen size is good (3 inch)
decent sensor resolution (24 megapixels)
nice sensor size (APS-C)
great ISO range (32,000)
delivers RAW files
weather proofing
does not have image stabilization
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Vlogging Comparison

Sigma fp Vlogging factors
Sony A6400 Vlogging factors
37
screen is touchscreen
includes face detect autofocus
high quality video (3840 x 2160 pixels)
has microphone jack
screen is not selfie friendly
does not have image stabilization
80
display is selfie friendly
touchscreen functionality
comes with face detection focus
high video quality (3840 x 2160 pxls)
comes with external mic support
does not have image stabilization
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Sigma fp vs Sony A6400 Specifications

Detailed spec comparison table for Sigma fp and Sony A6400
 Sigma fpSony Alpha a6400
General Information
Company Sigma Sony
Model Sigma fp Sony Alpha a6400
Type Advanced Mirrorless Advanced Mirrorless
Introduced 2019-07-11 2019-01-15
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by - Bionz X
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 23.9mm 23.5 x 15.6mm
Sensor area 858.0mm² 366.6mm²
Sensor resolution 25 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 Possible resolution 6000 x 4000 6000 x 4000
Maximum native ISO 25600 32000
Maximum enhanced ISO 102400 102400
Lowest native ISO 100 100
RAW photos
Lowest enhanced ISO 6 -
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 49 425
Lens
Lens mount Leica L Sony E
Number of lenses 30 121
Crop factor 1 1.5
Screen
Screen type Fixed Type Tilting
Screen size 3.2 inch 3 inch
Screen resolution 2,100 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.7x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shutter rate 12.0fps 11.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 6.00 m (at ISO 100)
Flash modes no built-in flash Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync
External flash
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 3840x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, H.264, XAVC-S
Mic support
Headphone support
Connectivity
Wireless No Built-In
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 422 gr (0.93 lbs) 403 gr (0.89 lbs)
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 Overall 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 - 410 shots
Battery style - Battery Pack
Battery model BP-51 NP-FW50
Self timer Yes (2 or 10 wec) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant)
Card slots One One
Launch price $2,050 $898