Decision tools · Compare
A99 II vs RX100
Quick take: The A99 II has the highest resolution at 42MP; the RX100 is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
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Full specificationsthe better value in each row is highlighted
| Specification | A99 IISony · 2016 | RX100Sony · 2012 |
|---|---|---|
| Price | £749 used | £74 usedBest |
| Sensor | 42.4MP full-frame sensor | 20.2MP 1-inch CMOS |
| Resolution | 42.4MPBest | 20.2MP |
| Video | 4K/30p full-pixel readout, 1080p/120, S-Log2 / S-Log3 | Full HD 1080p/60 |
| Autofocus | 79-point Hybrid Cross phase-detect AF (dedicated sensor + 399-point on-sensor), Eye AF | 25-point contrast-detect AF with face detection |
| Stabilisation | 4.5-stop 5-axis sensor-shift | Optical SteadyShot (in the lens), no IBIS |
| Burst Rate | 12fps with AF/AE trackingBest | 10fps (focus fixed at the first frame) |
| Battery Life | ~490 shots (CIPA)Best | ~330 shots (CIPA) |
| Weight | 849g (with battery and card) | 240g (with battery and card)Best |
| Dimensions | 142.6 × 104.2 × 76.1mm | 101.6 × 58.1 × 35.9mm |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Viewfinder | OLED EVF, 2.36M dots, 0.78x | No viewfinder |
| Screen | 3.0" three-way tilting / swivel LCD, 1.23M dots | 3.0" fixed LCD, 1.23M dots |
| Mount | Sony A-mount | Fixed Zeiss Vario-Sonnar T* 28-100mm f/1.8-4.9 |
| Memory Cards | Dual slots: SD / Memory Stick + SD | Single SD / Memory Stick slot |
| Connectivity | Multi / micro USB, micro HDMI, 3.5mm mic + headphone, Multi Interface Shoe, Wi-Fi, NFC | Micro USB, micro HDMI, Eye-Fi |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
A99 II
RX100
Portrait
6.6/10
3.3/10
Street
5.2/10
6.3/10
Travel
4.6/10
6.0/10
Wedding & Events
6.2/10
2.2/10
Vlogging & Video
4.3/10
—
Filmmaking
5.9/10
—
Documentary
5.0/10
3.3/10
Sports & Action
5.9/10
—
Landscape
5.8/10
3.9/10
Wildlife
5.7/10
—
Casual
3.5/10
4.0/10
Food
6.0/10
3.6/10
Macro
4.7/10
2.9/10
Architecture
6.2/10
3.6/10
Astrophotography
5.2/10
2.6/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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