Sony A6700 vs Sony A7 IV – Which one is better?

Choosing between the Sony A6700 and the Sony A7 IV means deciding not just between camera models, but between sensor sizes, workflows, and future system investment.

The A6700 is a high-spec APS-C camera with excellent features in a more compact form, while the A7 IV is a full-frame powerhouse designed for creators who want room to grow.

This comparison will help you determine which one is better for your needs.

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⚙️ Overview — High-End APS-C vs Versatile Full-Frame Hybrid

Sony A6700:
A next-generation APS-C mirrorless camera designed for creators who want top performance, great autofocus, and strong video features without the full size or cost of full-frame gear.

Sony A7 IV:
A full-frame mirrorless camera aimed at hybrid stills + video creators who want full-frame image quality, advanced features, and system-level investability.

In short:

• A6700 = Optimised APS-C for speed, affordability, and portability.

• A7 IV = Full-frame quality, major system depth, long-term value.

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📸 Detailed Specifications Comparison

Feature	Sony A6700	Sony A7 IV
Release Date	July 2023	December 2021
Camera Type	Mirrorless (Hybrid APS-C)	Mirrorless (Hybrid Full Frame)
Sensor	APS-C 26.0 MP BSI-CMOS	Full-Frame 33.0 MP BSI-CMOS
Image Processor	BIONZ XR + AI Processing Unit	BIONZ XR
Lens Mount	Sony E-mount	Sony E-mount
ISO Range	100–32,000 (expandable to 102,400)	100–51,200 (expandable to 204,800)
In-Body Image Stabilization (IBIS)	Yes, 5-axis	Yes, 5-axis
Autofocus System	Hybrid phase-detection AF (759 points)	Hybrid phase-detection AF (759 points)
AF Subject Recognition	Humans, animals, birds, insects, vehicles, aircraft	Humans, animals, birds (AI-based)
Continuous Shooting Speed	Up to 11 fps	Up to 10 fps
Video Recording	Up to 4K 120p	Up to 4K 60p
Video Bit Depth / Color	10-bit 4:2:2 internal	10-bit 4:2:2 internal
Color Profiles	S-Log3, S-Cinetone, HLG	S-Log3, S-Cinetone, HLG
RAW Video Output	Yes, 16-bit via HDMI	Yes, 16-bit via HDMI
Recording Limit	No recording limit (thermal dependent)	No recording limit (thermal dependent)
Viewfinder	2.36M-dot OLED EVF	3.69M-dot OLED EVF
LCD Screen	3.0″ fully articulating touchscreen (1.03M dots)	3.0″ fully articulating touchscreen (1.03M dots)
Touch Functions	Yes (AF, tracking, menus)	Yes (AF, tracking, menus)
Product Showcase Mode	No	No
Background Defocus Button	No	No
Body Material	Magnesium alloy	Magnesium alloy
Weather Sealing	Yes (basic sealing)	Yes (advanced sealing)
Audio Options	Mic input, headphone out, digital MI shoe	Mic input, headphone out, digital MI shoe
Connectivity	Wi-Fi, Bluetooth, USB-C, HDMI	Wi-Fi, Bluetooth, USB-C, HDMI
Battery Type	NP-FZ100	NP-FZ100
Battery Life (CIPA)	Approx. 570 shots	Approx. 580 shots
Dimensions (W × H × D)	122 × 69 × 75.1 mm	131.3 × 96.4 × 79.8 mm
Weight (Body Only)	Approx. 409 g	Approx. 659 g
Price (Body Only)	Approx. USD 1,399 (check on Amazon)	Approx. USD 2,500

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🧱 Build & Handling

The A6700’s compact size makes it ideal for creators who travel, shoot handheld, or want minimal gear weight—while still getting excellent features. The body is lighter and easier to carry daily.

The A7 IV, as a full-frame body, is a bit larger and heavier, but still very manageable. It offers deeper grip, more robust build, more display/evf real-estate and feels more like a professional workhorse.

👉 Verdict:

• Choose A6700 if portability and compactness matter most.

• Choose A7 IV if you want a full-frame body built for extended use and system growth.

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🎯 Autofocus & Performance

Both cameras offer excellent autofocus systems, but the A7 IV has the edge due to full-frame sensor coverage, larger focusing area, and more mature tracking algorithms. The A6700 is extremely capable and may suffice for most users, especially in APS-C territory, but for demanding action, hybrid shoots, or professional subjects, the A7 IV is stronger.

👉 Verdict:

• A7 IV: Better for fast action, complex hybrid work, and future-proofing.

• A6700: Very strong for creators not needing full-frame and prioritising size/cost.

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🎥 Video Capabilities

For video creators:

• The A7 IV offers full-frame depth, better low-light performance, larger field of view, and advanced video features suited for hybrid professionals, while still being relatively compact.

• The A6700 delivers high quality video for APS-C size: excellent codec options, great autofocus, portable rig capability. If you shoot video but carry gear a lot, this is compelling.

👉 Verdict:

• If video is same importance as stills and you build a system, choose A7 IV.

• If portability, hybrid content, smaller setup matter more and you can live with APS-C, choose A6700.

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🧠 Image Quality (Stills)

A full-frame sensor (A7 IV) gives advantages in depth of field control, low-light performance and cropping flexibility. The APS-C sensor (A6700) still produces excellent image quality, but there’s a performance gap especially in demanding situations.

👉 Verdict:

• Choose A7 IV if you prioritise still image quality and full-frame look.

• Choose A6700 if you’re satisfied with APS-C and want lighter gear.

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🔋 Ecosystem, Lenses & Future-Proofing

Since both are E-Mount, lens compatibility is good; but full-frame lenses are larger and more expensive. If you expect to build a serious system, full-frame gives you more options long-term. APS-C may limit you somewhat, but many excellent options exist.

👉 Verdict:

• A7 IV: Better for long-term investment and lens upgrade path.

• A6700: Better for moderate budget and smaller setup.

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💰 Price & Value

The APS-C A6700 offers strong value in a high-end body for creators. The full-frame A7 IV costs more (body + lenses) but gives more headroom and flexibility.

👉 Verdict:

• If budget and size matter most → A6700.

• If quality and system capability matter more → A7 IV.

Check availability and price on Amazon 🛒

📷 Sony A7 IV — Amazon USA / Amazon Canada / Amazon UK / Amazon Australia

📷 Sony A6700 — Amazon USA / Amazon Canada / Amazon UK / Amazon Australia

Note: camerafight.com participates in the Amazon Associates Program. As an Amazon Associate, we earn from qualifying purchases.

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🏁 Final Verdict — Sony A6700 vs Sony A7 IV

✅ In Short:

Choose Sony A6700 if you want a high-performance APS-C body with excellent features, lighter size and better value.

Choose Sony A7 IV if you want a full-frame body with more headroom, better image quality, and system versatility for the future.

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🧠 Final Thoughts

Both cameras are excellent — the “better” one depends on how you shoot, what you carry, and what you prioritise.

• If you move fast, shoot hybrid content, travel often, and carry gear lightly → go A6700.

• If you shoot stills + video seriously, want full-frame look, and plan to build a camera system → go A7 IV.

Reflect on your workflow, gear habits and future plans — then pick the camera that aligns best with you.