Comparison
DJI Mini 4K vs DJI Air 3S
Mini 4K spec · Air 3S spec · Upgrade from Mini 4K · Upgrade from Air 3S · All compares
Would you notice?
Mini 4K vs Air 3S: You would notice weight mostly as paperwork, bag mass and how close you may fly to people. You would not really notice wind, internal storage. UK paperwork is part of the difference: Mini 4K is C0 / sub-250 g (Flyer ID + Operator ID); Air 3S is C1 (Flyer ID + Operator ID).
Set I fly on the home bench to see net upgrade cost from your airframe (CeX cash vs used / RRP). It stays in this browser.
| Spec |  C0 · 246 g |  C1 · 724 g |
|---|---|---|
| Identity | ||
| Released | 1 Nov 2023 | 15 Oct 2024 |
| App | DJI Fly Same | DJI Fly Same |
| Weight & UK law | ||
| Takeoff weight | 246 g Ahead | 724 g |
| UK class / IDs | C0 · sub-250 g · Operator ID + Flyer ID Ahead | C1 · Operator ID + Flyer ID |
| Open subcategory | A1 Over People Ahead | A1 Over People (C1 until 31 Dec 2027) |
| From uninvolved people | May overfly uninvolved people; not crowds. Flyer ID + Operator ID from 100 g with a camera. Towns OK in A1. Ahead | May overfly uninvolved people; not crowds. Flyer ID + Operator ID. Remote ID on from 1 Jan 2026 (C1 as UK1). Towns OK in A1. |
| Height (Open) | 120 m AGL Same | 120 m AGL Same |
| Folded size | 138 × 81 × 58 mm | 214.19 × 100.63 × 89.17 mm |
| Camera | ||
| Main sensor | 1/2.3-inch CMOS · 12 MP · 24 mm | 1-inch CMOS · 50 MP · 24 mm Ahead |
| Aperture | f/2.8 | f/1.8 |
| Field of view | 83° Same | 84° Same |
| ISO (photo / video) | 100–3200 / 100–3200 | 100–6400 / 100–12800 |
| Colour / log | Rec. 709 / normal | D-Log M / HLG |
| Other cameras | Single camera | 70 mm 1/1.3-inch CMOS Ahead |
| Max video | 4K/30 | 4K/60 HDR, 4K/120 Ahead |
| Gimbal / vertical | 0° tilt | 90° tilt Ahead |
| Flight | ||
| Lab flight time | 31 min | 45 min Ahead |
| Hover time | 28 min | 41 min Ahead |
| Wind resistance | Level 5 · 10.7 m/s | Level 5 · 12 m/s Ahead |
| Max speed | 57.6 km/h Sport | 68 km/h EU · 75.6 km/h FCC Ahead |
| Climb / descent | 5 / 3.5 m/s | 10 / 10 m/s Ahead |
| Max takeoff altitude | 4000 m | 6000 m Ahead |
| Sensing | ||
| Obstacle sensing | Downward | Omni + nightscape Ahead |
| Transmission | ||
| Video range (CE) | 6 km CE · O2 (10 km FCC) Same | 10 km CE · O4 (20 km FCC) Same |
| Power & storage | ||
| Battery | 17.3 Wh | 62.5 Wh Ahead |
| Internal storage | Card only | 42 GB Ahead |
| microSD | microSD, up to 256 GB | microSD UHS-I Speed Class 3, up to 512 GB |
| GNSS | GPS + GLONASS + Galileo | GPS + Galileo + BeiDou |
| Operating temperature | 0 to 40 °C | −10 to 40 °C |
The i beside a spec is the explainer — hover or tap.
Questions
Will I notice the camera?
Mini 4K main: 1/2.3-inch CMOS · 12 MP · 24 mm, 4K/30. Air 3S main: 1-inch CMOS · 50 MP · 24 mm, 4K/60 HDR, 4K/120. You would notice sensor class in low light; you would not notice the word 4K if both already do it. Optical telephoto is only on Air 3S — that is a different picture, not a sharper crop.
Do I need to register the Air 3S in the UK?
Air 3S is C1, takeoff about 724 g (C1. About 724 g takeoff.). In the UK a Flyer ID is required from 100 g, and an Operator ID is required from 100 g with a camera or from 250 g — this airframe needs both. This is not legal advice; read the CAA Drone Code for the airframe and battery you actually fly. Longer version: the UK Open explainer on this site (/guides/uk).
Do I need to register the Mini 4K in the UK?
Mini 4K is C0, takeoff about 246 g (DJI Mini 4K / Mini 2 SE family: 246 g with standard battery. Mini SE (2021, 2.7K Wi-Fi) is a different airframe.). In the UK a Flyer ID is required from 100 g, and an Operator ID is required from 100 g with a camera or from 250 g — this airframe needs both. This is not legal advice; read the CAA Drone Code for the airframe and battery you actually fly. Longer version: the UK Open explainer on this site (/guides/uk).
How far from people can I fly the Air 3S in the UK?
Air 3S (C1): A1 Over People (C1 until 31 Dec 2027). May overfly uninvolved people; not crowds. Flyer ID + Operator ID. Remote ID on from 1 Jan 2026 (C1 as UK1). Towns OK in A1. Open height is 120 m AGL. Never over crowds. This is not legal advice — the CAA Drone Code (March 2026) applies to the airframe and battery you actually fly. Longer version: the UK Open explainer on this site (/guides/uk).
How far from people can I fly the Mini 4K in the UK?
Mini 4K (C0): A1 Over People. May overfly uninvolved people; not crowds. Flyer ID + Operator ID from 100 g with a camera. Towns OK in A1. Open height is 120 m AGL. Never over crowds. This is not legal advice — the CAA Drone Code (March 2026) applies to the airframe and battery you actually fly. Longer version: the UK Open explainer on this site (/guides/uk).
Which is better in wind?
Air 3S carries more mass into DJI’s published wind figure (Mini 4K 10.7 m/s, Air 3S 12 m/s). On a UK headland that is often the whole decision. Lab Level numbers that match can still feel different because weight is not in the level name.
Which is better at dusk?
Air 3S on paper. Mini 4K is 1/2.3-inch CMOS with Downward; Air 3S is 1-inch CMOS with Omni + nightscape. Nightscape still needs texture and a minimum lux — it is not night vision.
Which is better for travel?
Mini 4K if the constraint is a bag and UK class (C0, 246 g). Air 3S if you will accept C1 and 724 g for the extra camera.
Can I keep my Mini 4K batteries, controller or ND filters?
These do not share a battery family. Plan to buy packs, and check ND thread and RC protocol — Mini 4 Pro filters and batteries do not sit on a Mini 5 Pro.
How much more does it cost?
DJI UK RRP (as of 2026-08-31): Mini 4K £259, Air 3S £959 — £700 more for the Air 3S. Street, eBay bands and CeX trade-in are on the board; they move.
Who should buy which?
Mini 4K: C0, 1/2.3-inch CMOS. Air 3S: Dual camera and wind; you accepted C1.
Price board
UK pounds, dated snapshots. Each cell names the box that figure is for. EAN is the barcode on that carton when a UK listing cited one; otherwise we leave it blank rather than guess. Not live APIs. Buying used checklist.
| Mini 4K as of 2026-08-31 | Air 3S as of 2026-08-31 | |
|---|---|---|
| DJI Store UK RRP | £259 Mini 4K (typical drone + RC) | £959 Air 3S (DJI RC-N3) — not Air 3 |
| Amazon UK | See Amazon No clean Mini 4K buy-box (old ASIN now Lito 1) | £859 Air 3S with DJI RC-N3 (third-party / Amazon listings) |
| eBay UK band | £160–£250 Used Mini 4K + RC working kits; Fly More at the top | £750–£1,150 Used Air 3S (standard + Fly More; not Air 3) |
| CeX sell | £270 Mini 4K Fly More Combo, grade C EAN 6941565980397 | — CeX search — no Air 3S SKU priced; ignore DJI Air 3S lens accessory |
| CeX cash / voucher | £167 / £194 Mini 4K Fly More Combo, grade C EAN 6941565980397 | See CeX CeX search — no Air 3S SKU priced; ignore DJI Air 3S lens accessory |
Reviews that put these together
- Best DJI drone (2026): Mini 5 Pro to Mavic 4 Pro
Sub-250 argument, Mini 5 Pro 1-inch sensor, Air 3S telephoto vs Mini 5 Pro
DroneXL · 2026-03-01
Adjacent comparisons
Same-line alternatives for each side. The rest of the grid is on the drone pages and the compare hub.