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Ricoh

GR IV Monochrome

Monochrome-only GR IV with 25.74MP APS-C sensor, red filter mode, 5-axis SR, and classic 28mm pocket street-camera design.

$1,699

Released Jan 2026

vs
Alpha 7R VI

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

2categories

GR IV Monochrome

PortraitVlogging

Wins

7categories

Alpha 7R VI

PortraitVideo & Hybrid

TL;DR — Key differences

GR IV Monochrome wins 2 categories·Alpha 7R VI wins 3 categories
  • BAlpha 7R VI has higher AF points / zones (759 vs 49)
  • AGR IV Monochrome has higher ISO max (native) (409,600 vs 32,000)
  • BAlpha 7R VI has higher Burst (electronic) (30 fps vs 4 fps)
  • AGR IV Monochrome 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

GR IV MonochromeAlpha 7R VI
Resolution25.74 MP66.8 MP
SensorAPS-CFull Frame
ISO max409,60032,000
Burst4 fps30 fps
4K60 fps120 fps
IBISYesYes
Weight262 g713 g
Battery250 shots600 shots

Size and weight, to scale

GR IV Monochrome

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

Alpha 7R VI front view

Alpha 7R VI

133 × 97 × 83 mm

713 g (1.57 lb / 25.15 oz)

GR IV Monochrome is 23mm narrower, 36mm shorter, and 50mm thinner than Alpha 7R VI.

GR IV Monochrome is 451 g lighter than Alpha 7R VI.

Depth (front-to-back): 33mm GR IV Monochrome · 83mm Alpha 7R VI

Back view, to scale

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

GR IV Monochrome

109 × 61 mm

Alpha 7R VI back view

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 Monochrome

109 × 33 mm

Alpha 7R VI top view

Alpha 7R VI

133 × 83 mm

Sensor size, to scale

GR IV Monochrome

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 Monochrome: mount data unavailable

Alpha 7R VI

✓ 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 IV MonochromeAlpha 7R VI
Portrait
6.5Good
8.5Excellent✓ wins
Sports & Action
0.5Limited
5.5Fair✓ wins
Video & Hybrid
3.5Limited
8.0Excellent✓ wins
Landscape
2.5Limited
7.5Good✓ wins
Travel
5.5Fair✓ wins
5.0Fair
Wildlife
1.0Limited
6.5Good✓ wins
Vlogging
6.5Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

GR IV Monochrome

  • 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)

    409,600 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

  • Eye AFBoth support eye af
  • In-body stabilizationBoth support in-body stabilization
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GR IV Monochrome

Pros

  • Monochrome APS-C sensor
  • ISO 160-409600
  • 5-axis SR
  • Red filter mode

Cons

  • Black-and-white only
  • 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

GR IV Monochrome
Alpha 7R VI
Resolution
25.74 MP
66.8 MP2.6× more
Sensor type
APS-C Monochrome CMOS
Full-Frame Stacked CMOS
Sensor size
23.3 x 15.5 mm
35.9 × 24.0 mm
AA filter
No
No
GR IV Monochrome
Alpha 7R VI
AF system
Hybrid AF (image-plane phase detection + contrast detection)
Contrast Detection / Phase Detection
AF points / zones
49
75915.5× more
AF low-light limit
-6 EV
Eye AF
Yes
Yes
Animal / bird AF
No
Yes
Subject recognition
Face, Eye
Human, Animal, Bird, Eye, Insect, Vehicle
GR IV Monochrome
Alpha 7R VI
Burst (mechanical)
4 fps
Burst (electronic)
4 fps
30 fps7.5× more
Pre-Capture / Pre-Release
No
RAW buffer depth
150 frames
GR IV Monochrome
Alpha 7R VI
Max resolution
Full HD
8K
4K max frame rate
60 fps
120 fps2× more
Max video bit rate
600 Mbps
Internal RAW video
No
No
Log profile
Standard profiles
S-Cinetone / S-Log3
Codecs
MPEG-4 AVC/H.264, MOV
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
GR IV Monochrome
Alpha 7R VI
Weight
262 g−451 g less
713 g
Dimensions (W×H×D mm)
109.4 × 61.1 × 32.7 mm
132.7 × 96.9 × 82.9 mm
Weather sealing
No

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, GR IV Monochrome or Alpha 7R VI?

Alpha 7R VI scores 6.5/10 versus 1.0/10 for GR IV Monochrome — 30fps burst captures fleeting moments.

What's the resolution difference between the GR IV Monochrome and Alpha 7R VI?

GR IV Monochrome 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 Monochrome and Alpha 7R VI have in-body image stabilization?

GR IV Monochrome has in-body image stabilization, while alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the GR IV Monochrome or the Alpha 7R VI?

GR IV Monochrome reaches 4 fps electronic. Alpha 7R VI reaches 30 fps electronic.

What's the weight difference between the GR IV Monochrome and Alpha 7R VI?

GR IV Monochrome weighs 262 g and Alpha 7R VI weighs 713 g, so the GR IV Monochrome is 451 g lighter.

Do the GR IV Monochrome and Alpha 7R VI record 4K video?

GR IV Monochrome: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the GR IV Monochrome and Alpha 7R VI weather sealed?

GR IV Monochrome: No. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 250 shots (CIPA) for the GR IV Monochrome and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.

How much does each cost?

GR IV Monochrome launched at $1,699 and Alpha 7R VI at $4,499. The GR IV Monochrome is $2,800 less.

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

Product images courtesy of Ricoh and Sony press materials.