Compare · 2 products compared
Sony a1 IIvsSony a6700: Full-Frame Flagship or Compact APS-C?
Both cameras share the Sony E mount, the same AF subject detection list and 10-bit log video, so lenses and color grading carry over. The a1 II buys you a full-frame 50.1 MP sensor, 8K and a much larger viewfinder; the a6700 buys you a 493 g body and longer battery life. Sensor format and size decide this one.
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- MOST WINS
SonyBest for Professionals and serious enthusiasts who need full-frame resolution, 8K, RAW HDMI output, pre-burst and a flagship EVF.
15of 23 specs better - Sony
Best for Travel, street and everyday hybrid shooters who value low weight, long battery life and 4K120p over full-frame reach.
8of 23 specs better
Biggest differences
Viewfinder resolution
Sony a1 II leads
4×
higher is better
- Sony a1 II9.44 M dots
- Sony a67002.36 M dots
Continuous shooting (electronic)
Sony a1 II leads
2.73×
higher is better
- Sony a1 II30 fps
- Sony a670011 fps
Memory card slots
Sony a1 II leads
2×
higher is better
- Sony a1 II2 slots
- Sony a67001 slots
Effective pixels
Sony a1 II leads
+93%
higher is better
- Sony a1 II50.1 MP
- Sony a670026 MP
Features not all of them have
High resolution pixel-shift mode
- Sony a1 II✓
- Sony a6700✕
Where each one wins
Sony a1 II
- High resolution pixel-shift mode
- Effective pixels
- Sensor format
- In-body image stabilization
- Continuous shooting (electronic)
- Max mechanical shutter speed
- Max video resolution
- Raw video recording
- Viewfinder resolution
- Viewfinder magnification
- Screen size
- Screen articulation
- Rear screen resolution
- Memory card slots
- HDMI port type
Sony a6700
- Continuous shooting (mechanical)
- 4K max frame rate
- 4K max frame rate (full width)
- Battery life
- Weight
- Width
- Height
- Depth
What both have
- Lens mountSony E
- Native ISO maximum32,000 ISO
- AF subject detectionHuman, animal, bird, insect, car, train, airplane
- Video codecsH.264, HEVC
- Video bit depth10 bit
- Log profile support✓
- USB charging & power delivery✓
- Minimum operating temperature0 °C
- Headphone port✓
Every spec
Red marks the better value in each row.
| Spec | Sony a1 II | Sony a6700 |
|---|---|---|
| Overview | ||
| Release date | 2024-121 | Not published |
| Launch price | 6,499.99 USD | Not published |
| Lens mount | Sony E | Sony E |
| High resolution pixel-shift mode | Yes2 | No |
| Sensor & Image | ||
| Effective pixels | 50.1 MP | 26 MP |
| Sensor format | Full-frame | APS-C |
| Native ISO maximum | 32,000 ISO | 32,000 ISO |
| In-body image stabilization | 8.5 stops3 | 5 stops |
| Sensor readout speed | Not published | Not published |
| Sensor type | — | CMOS |
| Aspect ratios | 3:2 | Not published |
| Lens & Autofocus | ||
| Continuous shooting (mechanical) | 10 fps | 11 fps |
| Continuous shooting (electronic) | 30 fps | 11 fps |
| Max mechanical shutter speed | 8,000 1/s | 4,000 1/s |
| Pre-burst capture duration | 1 s4 | Not published |
| AF subject detection | Human, animal, bird, insect, car, train, airplane | Human, animal, bird, insect, car, train, airplane |
| Video | ||
| Max video resolution | 8K | 4K |
| 4K max frame rate | 119.88 fps5 | 120 fps |
| Video codecs | H.264, HEVC | H.264, HEVC |
| 4K max frame rate (full width) | 59.94 fps6 | 60 fps7 |
| Raw video recording | External8 | None |
| Video bit depth | 10 bit | 10 bit |
| Log profile support | Yes | Yes |
| Video dynamic range (log) | Not published | 14 stops |
| Viewfinder & Screen | ||
| Viewfinder resolution | 9.44 M dots | 2.36 M dots |
| Viewfinder magnification | 0.9 x | 0.7 x |
| Screen size | 3.2 in | 3 in |
| Screen articulation | Multi-angle | Fully articulated |
| Rear screen resolution | 2.1 M dots | 1.04 M dots |
| Handling & Power | ||
| Battery life | 520 shots9 | 570 shots |
| Memory card slots | 2 slots | 1 slots |
| Weather sealing | Dust and drip resistant10 | Not published |
| Weight | 743 g | 493 g |
| Width | 136.1 mm | 122 mm |
| Height | 96.9 mm | 69 mm |
| Depth | 82.9 mm11 | 75.1 mm |
| USB charging & power delivery | Yes | Yes |
| Minimum operating temperature | 0 °C | 0 °C |
| Headphone port | Yes | Yes |
| HDMI port type | Full-size | Micro |
Notes on 11 values — test conditions and caveats
- 1Sony a1 II, Release date: Announced 19 November 2024; first retail availability was December 2024.
- 2Sony a1 II, High resolution pixel-shift mode: 4- or 16-shot pixel shift composites are merged with Sony's Imaging Edge Desktop PC software.
- 3Sony a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
- 4Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
- 5Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
- 6Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
- 7Sony a6700, 4K max frame rate (full width): Full-width 4K tops out at 60p; 120p 4K uses a crop.
- 8Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
- 9Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
- 10Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
- 11Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
Sensor and image quality
The a1 II's full-frame 50.1 MP sensor captures roughly twice the pixels of the a6700's 26 MP APS-C chip. That headroom matters for cropping in post and for large prints, and the larger sensor gathers more light per scene at the same aperture, which helps indoors and at dusk.
The a6700 counters with portability: its APS-C sensor allows smaller lenses that keep the whole kit light for travel and everyday carry. Neither camera publishes a sensor readout time, so rolling-shutter comparisons cannot be settled from specs alone.
Speed and autofocus
Both cameras detect the same subjects: human, animal, bird, insect, car, train and airplane. Subject recognition is not the differentiator here.
The a1 II shoots 30 fps with the electronic shutter and offers a pre-burst buffer of up to 1 s, plus a 1/8000 s mechanical top speed. The a6700 edges it at 11 fps versus 10 fps with the mechanical shutter, but its 1/4000 s ceiling and lack of a published pre-burst make it the weaker tool for fast action. Only the a1 II lets you capture the moment before you press the shutter.
Video
The a1 II records 8K internally and can output 16-bit RAW over HDMI to an external recorder — there is no internal RAW option. Its 4K tops out at 59.94 fps at full width; 100/120p requires a 1.1x crop.
The a6700 maxes out at 4K but reaches 120 fps, also with a crop, and Sony publishes a 14-stop log dynamic range figure for it. If you deliver in 4K and want slow motion without external gear, the a6700 is genuinely capable. If you need 8K or RAW for a client workflow, only the a1 II qualifies.
Viewfinder, screen and handling
The a1 II's 9.44 M-dot EVF at 0.9x magnification is in a different class from the a6700's 2.36 M-dot, 0.7x finder. If you manually focus or track small subjects through the eyepiece, that gap is felt every shot.
Its 3.2 in rear screen also has roughly double the resolution and sits on a multi-angle hinge rather than the a6700's fully articulated one — a real difference for hybrid shooters who want to flip the screen without swinging it out to the side. The a1 II adds a full-size HDMI port and a second card slot; the a6700 has one slot and micro HDMI.
Battery, size and weather
The a6700 is significantly smaller and lighter at 493 g versus 743 g, and it actually outlasts the a1 II on a charge — 570 shots against 520 on the rear LCD. For all-day walking and travel, the smaller camera is the easier carry and the longer-lasting one.
Sony specifies dust- and drip-resistant sealing for the a1 II with no formal IP rating; nothing comparable is published for the a6700. Neither camera's minimum operating temperature extends below 0 °C. If you shoot in rain or dust, only one of these has a stated claim.
The Verdict
Buy the Sony a1 II if you need full-frame resolution, 8K or RAW video output, a flagship viewfinder and dual card slots, and you accept the weight and battery trade-offs. Buy the Sony a6700 if you want a light, long-lasting APS-C body that still does 4K120p and shares the same E-mount lens library. The a1 II is the professional's tool; the a6700 is the one you actually carry. Neither is wrong — the sensor format and the size of your bag decide it.
Where to buy
Sony a1 II
Best for Professionals and serious enthusiasts who need full-frame resolution, 8K, RAW HDMI output, pre-burst and a flagship EVF.
Sony a6700
Best for Travel, street and everyday hybrid shooters who value low weight, long battery life and 4K120p over full-frame reach.
FAQ
Is the Sony a6700 compatible with the same lenses as the Sony a1 II?
Yes. Both use the Sony E mount, so full-frame E-mount lenses work on the a6700 with an APS-C crop, and APS-C lenses work on the a1 II in crop mode. Your lens collection transfers either way.
Which camera has better in-body stabilization?
The Sony a1 II, at 8.5 stops at the center of the frame (7.0 stops at the periphery) versus 5 stops for the a6700. That is a meaningful advantage for handheld shooting at slow shutter speeds.
Does the Sony a6700 shoot 8K video?
No. The a6700 tops out at 4K, but it does reach 120 fps (with a crop), so 4K slow motion is covered without external gear. The a1 II is the only one of the two that records 8K internally.
Can the Sony a1 II record RAW video internally?
No. Its 16-bit RAW video must be output over HDMI to an external recorder. There is no internal RAW recording option on the a1 II, and the a6700 has no RAW video at all.
Which has longer battery life, the Sony a1 II or the Sony a6700?
The a6700, at 570 shots per charge on the rear LCD. The a1 II is rated at 520 shots on the LCD and 420 with the viewfinder, despite being the larger, more expensive body.
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