Ricoh
GR IV HDF
GR IV variant with built-in Highlight Diffusion Filter for softer rendering and the same 25.74MP APS-C pocket platform.
$1,599
Released Jan 2026
Sony
Alpha 7R VI
66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.
$4,499
Released Jun 2026
Alpha 7R VI is 5 months newer.
Wins
GR IV HDF
Wins
Alpha 7R VI
1 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 49)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 4 fps)
- AGR IV HDF has higher ISO max (native) (204,800 vs 32,000)
- AGR IV HDF has lower Weight (262 g vs 713 g)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 25.74 MP)
Key specs at a glance
Size and weight, to scale
GR IV HDF
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
GR IV HDF is 23mm narrower, 36mm shorter, and 50mm thinner than Alpha 7R VI.
GR IV HDF is 451 g lighter than Alpha 7R VI.
Depth (front-to-back): 33mm GR IV HDF · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IV HDF
109 × 61 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IV HDF
109 × 33 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
GR IV HDF
23.3 × 15.5 mm · APS-C
361 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GR IV HDF: mount data unavailable
Alpha 7R VI
✓ more lensesSony E
350+
native lenses available
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
Why pick one over the other
Reasons to choose
GR IV HDF
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
204,800 vs 32,000 — higher is better
Weight
262 g vs 713 g — lower is better
Subject recognition
Adds Face
Reasons to choose
Alpha 7R VI
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
AF points / zones
759 vs 49 — higher is better
Burst (electronic)
30 fps vs 4 fps — higher is better
Subject recognition
Adds Human, Animal, Bird…
Resolution
66.8 MP vs 25.74 MP — higher is better
Battery life (CIPA)
600 shots vs 250 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GR IV HDF
Pros
- ✓Built-in HDF effect
- ✓25.74MP APS-C sensor
- ✓5-axis SR
- ✓53GB internal memory
Cons
- –No ND filter
- –Fixed lens
- –Full HD video only
Alpha 7R VI
Pros
- ✓66.8MP fully-stacked Exmor RS sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓8.5-stop in-body stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, GR IV HDF or Alpha 7R VI?
Alpha 7R VI scores 6.5/10 versus 1.0/10 for GR IV HDF — 30fps burst captures fleeting moments.
What's the resolution difference between the GR IV HDF and Alpha 7R VI?
GR IV HDF is 25.74 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the GR IV HDF and Alpha 7R VI have in-body image stabilization?
GR IV HDF has in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the GR IV HDF or the Alpha 7R VI?
GR IV HDF reaches 4 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the GR IV HDF and Alpha 7R VI?
GR IV HDF weighs 262 g and Alpha 7R VI weighs 713 g, so the GR IV HDF is 451 g lighter.
Do the GR IV HDF and Alpha 7R VI record 4K video?
GR IV HDF: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the GR IV HDF and Alpha 7R VI weather sealed?
GR IV HDF: No. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 250 shots (CIPA) for the GR IV HDF and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
GR IV HDF launched at $1,599 and Alpha 7R VI at $4,499. The GR IV HDF is $2,900 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Ricoh and Sony press materials.