Fujifilm X-S20 vs OM SYSTEM OM-5 Mark II

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X-S20 compared with OM-5 Mark II

	FujifilmX-S20	OM SYSTEMOM-5 Mark II
Overview
Released
Released	June 2023	July 2025
Image and sensor
Camera type
Camera type	Mirrorless	Mirrorless
Sensor format
Sensor format	APS-C	Four Thirds
Sensor type
Sensor type	Back-illuminated X-Trans CMOS 4	Live MOS
Sensor dimensions
Sensor dimensions	23.5 × 15.6 mm	17.4 × 13 mm
Effective resolution
Effective resolution	26.1 MP	20.4 MP
Largest image
Largest image	6240 × 4160	5184 × 3888
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	160–12800	200–25600
Sensor detail
Sensor detail	–	Maker Japan specifies approximately 20.37 effective and 21.77 total megapixels, rounded to 20.4 and 21.8 in UK table. Japan gives 17.4×13 mm image area; UK gives 17.3×13 mm
Image formats
Image formats	JPEG, 10-bit 4:2:2 HEIF, 14-bit RAF RAW and in-camera converted TIFF	JPEG and 12-bit losslessly compressed ORF RAW; ordinary output 5184×3888. Tripod composite RAW 10368×7776 needs OM Workspace for 80 MP development; handheld composite 50 MP, rather than an 80 MP single-shot sensor
ISO detail
ISO detail	Standard still ISO160–12800; extended ISO80/100/125/25600/51200	Manual ISO 200–25600, expanded LOW approximately 64 and 100; default Auto upper limit 6400 (maker Japan)
Image processor
Image processor	X-Processor 5	TruePic IX
Lens and shooting
Lens mount
Lens mount	Fujifilm X mount	Micro Four Thirds
Stabilisation
Stabilisation	Sensor shift	Lens and sensor shift
Maximum continuous burst
Maximum continuous burst	30 fps	30 fps
Lens detail
Lens detail	Fujifilm X mount; exact maker photograph includes XF18–55mm F2.8–4 R LM OIS, excluded from body specifications and weight	–
Autofocus
Autofocus	Hybrid phase/contrast AF; 117 or 425 selectable single-point positions; maker animal, bird, vehicle, aeroplane and train subject detection, with bird and aeroplane settings respectively detecting insects and drones; automatic subject selection in Auto mode	Hybrid sensor phase/contrast, 121 cross-type phase positions; face/eye recognition and Starry Sky AF, without animal/vehicle subject recognition (both reviews)
Shutter
Shutter	–	Mechanical 1/8000–60 seconds; electronic 1/32000–60 seconds; Bulb and Live Composite modes
Burst detail
Burst detail	Electronic up to 30 fps with 1.25× crop, or 20 fps uncropped; mechanical up to 8 fps. Maker cropped 30 fps buffer 407 JPEG or 88 compressed RAW frames, dependent on media and conditions	Electronic 30 fps fixes focus/exposure at first frame; approximately 10 fps electronic tracking and 6 fps mechanical. Maker Japan example 30 fps buffer 19 RAW/21 JPEG with specified KIOXIA card and 12–40mm F2.8 PRO II; UK examples differ
Stabilisation detail
Stabilisation detail	Five-axis sensor shift; maker up to 7 stops, CIPA pitch/yaw with XF35mmF1.4 R; movie digital stabilisation and IS Mode Boost separate	Five-axis sensor shift; maker CIPA 2024 up to 6.5 centre/5.5 corner stops with 12–45mm F4 PRO at 45mm. Sync IS up to 7.5/6.5 with 12–100mm F4 IS PRO at 100mm and half-press IS off
Flash
Flash	Manual pop-up flash, guide number approximately 5 at ISO100 or 7 at ISO200; compatible TTL hot shoe	–
Exposure controls
Exposure controls	PASM and dedicated Vlog mode dial; customisable function dial, front/rear command dials; 19 film simulations	PASM and computational-photography CP button; Live ND2–16, focus stacking, HDR and multiple exposures; mode, ISO, shutter, flash and compatible-lens restrictions apply
Video
Highest video resolution
Highest video resolution	6240 × 4160 at 29.97 fps	4096 × 2160 at 24 fps
Video detail
Video detail	Internal uncropped 6.2K 3:2 6240×4160 up to 29.97p in 10-bit H.265; DCI4K/UHD up to 59.94p with mode-dependent 1.18× crop; 8-bit H.264 up to 29.97p can use full width. Separate Full HD high-speed up to 240p; F-Log2; compatible external recorders support 12-bit ProRes RAW or Blackmagic RAW. Optional FAN-001 cooling fan; no recording-duration guarantee	Internal C4K 4096×2160 at 24p; UHD 3840×2160 at 30/25/24p; H.264 MOV, 8-bit recording (Amateur Photographer). FHD high-speed 120 fps is separate; OM-Log400 and OM-Cinema1/2 profiles
Audio
Audio	Separate 3.5 mm microphone and headphone sockets	Internal stereo microphones, external 3.5 mm microphone input; 48 kHz/16-bit or 96 kHz/24-bit recording
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Electronic
Screen size
Screen size	3″	3″
Screen dots
Screen dots	1,840,000	1,037,000
Touchscreen
Touchscreen	Yes	Yes
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	Vari-angle forward-facing 3-inch 3:2 touchscreen, approximately 1.84 million dots	Fully articulated touchscreen; UK table 1.037 million dots, Japan rounds to 1.04 million
Viewfinder detail
Viewfinder detail	0.39-inch OLED, approximately 2.36 million dots, 100% coverage and 0.62× magnification with 50 mm equivalent lens at infinity	OLED approximately 2.36 million dots, approximately 100% coverage; maximum 1.37× with 50mm lens at infinity at −1 dioptre depends on finder style
Connections and design
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
Battery life (maker's claim)
Battery life (maker's claim)	800 photographs	310 photographs
Body weight
Body weight	410 g	370 g (better)
Release detail
Release detail	Maker Austrian launch statement dated 24 May 2023 specifies retail from late June 2023; month precision retained. Corporate announcement pages returned 403, so no unsupported first-sale day is asserted	Maker US release confirms early July 2025 retail; Japan 18 July local date. Earliest worldwide day unconfirmed, so month precision retained
Recording media
Recording media	Single UHS-II SD/SDHC/SDXC slot; maker up to 2 TB, V90 compatibility	One SD/SDHC/SDXC slot, UHS-I and UHS-II
Ports
Ports	USB-C USB3.2 Gen2×1, micro HDMI Type D, separate 3.5 mm microphone/headphone sockets and hot shoe	USB 2.0 Hi-Speed Type-C without USB PD, micro-HDMI Type D, 3.5 mm microphone and 2.5 mm remote socket (maker Japan). UK USB 3 heading does not establish USB 3 transfer speed
Wireless connections
Wireless connections	Wi-Fi IEEE802.11a/b/g/n/ac; Bluetooth Low Energy 4.2	Wi-Fi b/g/n and Bluetooth Low Energy 5.2 (maker Japan); UK Bluetooth 4.2 table conflicts. Smartphone location tagging, rather than built-in GPS
Battery life detail
Battery life detail	NP-W235; approximately 800 Economy-mode or 750 Normal-mode shots with XF35mmF1.4 R under maker CIPA conditions; USB charging/power supported	BLS-50; 310 standard or 640 low-power CIPA shots with specified KIOXIA card. Approximately 60 minutes CIPA video or 100 minutes with other operations disabled; recording limited by card, battery and conditions
Charging
Charging	–	In-camera USB charging with power off; USB power supply supported, but no USB Power Delivery. Charger not supplied
Dimensions
Dimensions	127.7×85.1×65.4 mm; minimum depth 32.9 mm	Approximately 125.3×85.2×52 mm excluding protrusions (maker Japan and US launch); UK table gives conflicting 49.7 mm depth
Weight detail
Weight detail	Approximately 410 g excluding battery/card, or 491 g including both; overview's wording does not establish a 491 g body-only figure	Maker Japan 370 g body only or 418 g with battery/card and without eyecup; UK body-only table gives conflicting 366 g. Photographed kit lens excluded
Materials
Materials	No weather sealing according to both reviews; maker operating temperature 0°C to +40°C	IP53 with specified IP53 lens, IPX1 with IPX1 lens; weather qualification excludes charging and HDMI. Operation −10 to 40°C; not an immersion rating
Colours
Colours	–	Black, silver and sand beige; kit availability varies by region
In the box
In the box	NP-W235 battery, plug adapter, USB cable, shoulder strap, body cap and cooling-fan connector cover	–