Cameraegg Compare logoCameraegg

Ricoh

GR IIIx HDF

GR IIIx variant with built-in Highlight Diffusion Filter and a 40mm equivalent lens for softer street photography rendering.

$1,146

Launch price

Released Apr 2024

vs
Alpha 7 V

Sony

Alpha 7 V

33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.

$2,899

Launch price

Released Dec 2025

Alpha 7 V is 1.7 years newer.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Wins

2categories

GR IIIx HDF

PortraitVlogging

Wins

7categories

Alpha 7 V

WildlifeSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

GR IIIx HDF wins 1 categories·Alpha 7 V wins 4 categories
  • BAlpha 7 V has higher AF points / zones (759 vs 49)
  • BAlpha 7 V has higher Burst (electronic) (30 fps vs 4 fps)
  • BAlpha 7 V has higher Battery life (CIPA) (630 shots vs 200 shots)
  • AGR IIIx HDF has lower Weight (262 g vs 695 g)
  • BAlpha 7 V has higher Burst (mechanical) (10 fps vs 4 fps)

Key specs at a glance

GR IIIx HDFAlpha 7 V
Resolution24.24 MP33 MP
SensorAPS-CFull Frame
ISO max102,40051,200
Burst4 fps30 fps
4K60 fps120 fps
IBISYes7.5-stop
Weight262 g695 g
Battery200 shots630 shots

Size and weight, to scale

GR IIIx HDF

109 × 62 × 35 mm

262 g (0.58 lb / 9.24 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Alpha 7 V front view

Alpha 7 V

130 × 96 × 82 mm

695 g (1.53 lb / 24.52 oz)

GR IIIx HDF is 21mm narrower, 35mm shorter, and 47mm thinner than Alpha 7 V.

GR IIIx HDF is 433 g lighter than Alpha 7 V.

Depth (front-to-back): 35mm GR IIIx HDF · 82mm Alpha 7 V

Back view, to scale

Width × Height — same proportions as the front of the body.

GR IIIx HDF

109 × 62 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V back view

Alpha 7 V

130 × 96 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

GR IIIx HDF

109 × 35 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V top view

Alpha 7 V

130 × 82 mm

Sensor size, to scale

GR IIIx HDF

23.5 × 15.6 mm · APS-C

367 mm² area

Alpha 7 V

35.9 × 23.9 mm · Full Frame

858 mm² area

2.3× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

GR IIIx HDF: mount data unavailable

Alpha 7 V

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Counts include current first-party and major third-party native autofocus lenses.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseGR IIIx HDFAlpha 7 V
Portrait
6.5Good
8.0Excellent✓ wins
Sports & Action
1.5Limited
9.5Excellent✓ wins
Video & Hybrid
3.5Limited
8.0Excellent✓ wins
Landscape
2.5Limited
7.5Good✓ wins
Travel
5.5Fair
7.5Good✓ wins
Wildlife
2.0Limited
10.0Excellent✓ wins
Vlogging
6.5Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

GR IIIx HDF

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.9, 35.2

  • Card types

    Adds SD, SDHC, SDXC UHS-I

  • Weight

    262 g vs 695 g — lower is better

  • ISO max (native)

    102,400 vs 51,200 — higher is better

Reasons to choose

Alpha 7 V

  • Subject recognition

    Adds Human, Animal, Bird…

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Card types

    Adds CFexpress Type A / SD UHS-II, SD UHS-II

  • AF points / zones

    759 vs 49 — higher is better

  • Burst (electronic)

    30 fps vs 4 fps — higher is better

  • Battery life (CIPA)

    630 shots vs 200 shots — higher is better

  • Burst (mechanical)

    10 fps vs 4 fps — higher is better

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GR IIIx HDF

Pros

  • Built-in HDF effect
  • 40mm equivalent GR lens
  • Pocketable APS-C
  • 3-axis SR

Cons

  • No ND filter
  • Fixed lens
  • Full HD video only

Alpha 7 V

Pros

  • 33MP partially stacked sensor — ~4.5× faster readout than α7 IV
  • Blackout-free 30 fps with full AF/AE (electronic shutter)
  • 7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
  • 759-point phase-detect AF down to EV -4 with AI subject recognition
  • 7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
  • Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
  • Up to 16 stops dynamic range

Cons

  • Premium price vs α7 IV
  • 4K 120p typically requires APS-C / Super 35 crop
  • Heavier than α7 IV (695 g vs 659 g with battery)
  • Complex menu and feature set

Decided which one is right for you?

Compare live prices for the GR IIIx HDF and Alpha 7 V at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

GR IIIx HDF
Alpha 7 V
Resolution
24.24 MP
33 MP+36%
Sensor type
APS-C CMOS
Full Frame Exmor RS CMOS (partially stacked)
Sensor size
23.5 x 15.6 mm
35.9 × 23.9 mm
AA filter
No
Yes
GR IIIx HDF
Alpha 7 V
Aperture
F2.8-F16
Focal length (35mm equiv.)
40 mm
GR IIIx HDF
Alpha 7 V
Processor
GR ENGINE 6
BIONZ XR2 + AI processing unit
GR IIIx HDF
Alpha 7 V
ISO min (native)
100
100
ISO max (native)
102,400+1 stop
51,200
ISO max (expanded)
102,400
204,800
GR IIIx HDF
Alpha 7 V
Shutter type
Leaf shutter
Mechanical + Electronic
Max mechanical speed
1/4000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, GR IIIx HDF or Alpha 7 V?

Alpha 7 V scores 9.5/10 versus 1.5/10 for GR IIIx HDF — 30fps burst — pro-level action capture.

What's the resolution difference between the GR IIIx HDF and Alpha 7 V?

GR IIIx HDF is 24.24 MP and Alpha 7 V is 33 MP, so the Alpha 7 V captures more detail for cropping and large prints.

Do the GR IIIx HDF and Alpha 7 V have in-body image stabilization?

GR IIIx HDF has in-body image stabilization, while Alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the GR IIIx HDF or the Alpha 7 V?

GR IIIx HDF reaches 4 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the GR IIIx HDF and Alpha 7 V?

GR IIIx HDF weighs 262 g and Alpha 7 V weighs 695 g, so the GR IIIx HDF is 433 g lighter.

Do the GR IIIx HDF and Alpha 7 V record 4K video?

GR IIIx HDF: 4K up to 60p. Alpha 7 V: 4K up to 120p.

Are the GR IIIx HDF and Alpha 7 V weather sealed?

GR IIIx HDF: No. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 200 shots (CIPA) for the GR IIIx HDF and 630 shots for the Alpha 7 V, giving the Alpha 7 V the edge.

How much does each cost?

GR IIIx HDF launched at $1,146 and Alpha 7 V at $2,899. The GR IIIx HDF is $1,753 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way GR IIIx HDF vs Alpha 7 V vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Ricoh and Sony press materials.