Connectivity comparison

Sony α7 IV vs Nikon Z6 III: connectivity and tethering compared

Mid-range full-frame bodies for wedding and event shooters. This comparison is about one thing: how fast each body gets a finished frame to where it's needed — its USB-C port, Wi-Fi, built-in FTP, Ethernet and card slots, and how it tethers to a phone with CloudTether.

By the CloudTether team · Updated

Sony α7 IV cameraSony α7 IVNikon Z6 III cameraNikon Z6 III

Side by side

Sony α7 IVNikon Z6 III
Hardware (maker's specs)
Sensor formatFull-frameFull-frame
RAW filesARWNEF
USB portUSB-C, SuperSpeed USB 10Gbps (USB 3.2), plus a Micro USB (USB 2.0) portUSB-C, SuperSpeed USB
Wi-FiIEEE 802.11a/b/g/n/ac, 2.4 + 5 GHz (some regional models are 2.4 GHz only)IEEE 802.11a/b/g/n/ac, 2.4 + 5 GHz (bands vary by region)
Built-in FTPBuilt-in (FTP Transfer Func.)Built-in (Connect to FTP Server)
Wired EthernetWired LAN over a USB-LAN adapterVia a third-party USB-C to Ethernet adapter
Card slotsCFexpress Type A / SD + SD (UHS-II)CFexpress Type B / XQD + SD (UHS-II)
Tethering to a phone with CloudTether
CloudTether over USBSupported by the protocol, not yet tested by us (same code as our verified Sony body)Supported by the protocol, not yet tested by us (same code as our verified Nikon body)
CloudTether over Wi-FiSupported by the camera, not yet tested by usSupported by the camera, not yet tested by us
Rated sendNo — every frame is sentYes — only shots you rate in camera
Camera setting for a USB tetherUSB Connection Mode → Remote Shooting, plus Remote Shoot Function OnNone — default USB mode
Cable to a USB-C phoneUSB-C to USB-C data cableUSB-C to USB-C data cable

“Not stated” means the maker's spec page doesn't list it — we don't fill gaps with guesses. Wi-Fi bands can vary by region.

Verdict: which delivers faster?

Sony lists the α7 IV's USB-C at 10 Gbps; Nikon lists the Z6 III's as SuperSpeed USB (5 Gbps). Both have 2.4 and 5 GHz Wi-Fi, built-in FTP and dual slots. To a phone, the USB difference is mostly hidden by the phone's own port.

Where they part is the tether itself: the Z6 III needs no USB setting and supports rated send; the α7 IV needs USB Connection Mode → Remote Shooting plus Remote Shoot Function on, sends every frame, and should have Still Img. Save Dest. set to PC+Camera so the card keeps a copy. Both run code verified on a sibling (Nikon Z6, Sony ZV-E10); neither exact body is tested by us.

Pick the α7 IV if…

…you want the faster headline USB for large RAW files to a USB 3 phone or computer.

Pick the Z6 III if…

…you want rated send and the simplest USB setup.

Setting each one up for tethering

Sony α7 IV

Nikon Z6 III

Download on theApp StoreGet it onGoogle Play
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Sony α7 IV vs Nikon Z6 III: FAQ

Which is faster to tether to a phone, the α7 IV or the Z6 III?

On paper the α7 IV has the faster USB-C port (10 Gbps vs 5 Gbps per the makers' specs). To a phone the gap mostly disappears — standard USB-C iPhones and many Android phones run at USB 2 — and it shows mainly with big RAW files to a USB 3 device. A JPEG arrives in a fraction of a second either way.

Can both tether to a phone over Wi-Fi with CloudTether?

α7 IV: supported by the camera, not yet tested by us; Z6 III: supported by the camera, not yet tested by us. Canon Wi-Fi is the wireless tether we've verified; USB is the dependable path on every body.

Which one can send only the shots I rate?

The Z6 III. Rated send works over Canon and Nikon tethering only; over Sony tethering every frame is sent — use JPEG only to keep uploads light.

Do the α7 IV and Z6 III have built-in FTP?

α7 IV: built-in (FTP Transfer Func.); Z6 III: built-in (Connect to FTP Server). In-camera FTP is a separate path from a phone tether — CloudTether can also deliver to an FTP/SFTP server from the phone, on any body.

Sources

Hardware specs from each maker's own specification page or online manual (checked 2026-11-15). CloudTether status from our own testing — see supported cameras.

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