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Canon

EOS 90D

High-res APS-C DSLR with 32.5MP, 10fps, and excellent Dual Pixel AF for wildlife.

$1,199

Released Aug 2019

Full specs →
vs

Ricoh

GR IV

Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.

$1,499

Released Jan 2026

Full specs →

GR IV is 6.3 years newer.

Wins

5categories

EOS 90D

★ Travel★ Wildlife

Wins

4categories

GR IV

★ Portrait★ Vlogging

1 categories tied

TL;DR — Key differences

EOS 90D wins 3 categories·GR IV wins 2 categories
  • BGR IV has higher ISO max (native) (204,800 vs 25,600)
  • AEOS 90D has higher Battery life (CIPA) (640 shots vs 250 shots)
  • AEOS 90D has higher Burst (mechanical) (10 fps vs 4 fps)
  • AEOS 90D has higher Burst (electronic) (10 fps vs 4 fps)
  • BGR IV has higher 4K max frame rate (60 fps vs 30 fps)

Key specs at a glance

EOS 90DGR IV
Resolution32.5 MP25.74 MP
Sensor22.3 × 14.8 mmAPS-C
ISO max25,600204,800
Burst10 fps4 fps
4K30 fps60 fps
IBIS6-stopYes
Weight520 g262 g
Battery640 shots250 shots

Size and weight, to scale

EOS 90D

138 × 98 × 88 mm

520 g (1.15 lb / 18.34 oz)

GR IV

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

EOS 90D is 29mm wider, 37mm taller, and 55mm thicker than GR IV.

EOS 90D is 258 g heavier than GR IV.

Depth (front-to-back): 88mm EOS 90D · 33mm GR IV

Sensor size, to scale

EOS 90D

22.3 × 14.8 mm · APS-C

330 mm² area

GR IV

23.3 × 15.5 mm · APS-C

361 mm² area

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

Lens ecosystem

Native lens selection

EOS 90D

✓ more lenses

Canon EF

300+

native lenses available

100 first-party200 third-party

GR IV: mount data unavailable

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 caseEOS 90DGR IV
Portrait
5.5Fair
6.5Good✓ wins
Sports & Action
5.0Fair✓ wins
0.5Limited
Video & Hybrid
5.0Fair✓ wins
3.5Limited
Landscape
5.5Fair✓ wins
2.5Limited
Travel
8.5Excellent✓ wins
5.5Fair
Wildlife
8.0Excellent✓ wins
1.0Limited
Vlogging
6.0Good
6.5Good✓ wins

Why pick one over the other

Reasons to choose

EOS 90D

  • Subject recognition

    Adds Human, Animal, Bird…

  • Codecs

    Adds H.264

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • Card types

    Adds SD UHS-II

  • Battery life (CIPA)

    640 shots vs 250 shots — higher is better

  • Burst (mechanical)

    10 fps vs 4 fps — higher is better

  • Burst (electronic)

    10 fps vs 4 fps — higher is better

  • AA filter

    Only EOS 90D supports it

Reasons to choose

GR IV

  • Subject recognition

    Adds Face, Eye

  • 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 25,600 — higher is better

  • 4K max frame rate

    60 fps vs 30 fps — higher is better

  • Weight

    262 g vs 520 g — lower is better

  • AF points / zones

    49 vs 45 — 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.

EOS 90D

Pros

  • ✓32.5MP APS-C
  • ✓10fps burst
  • ✓Optical viewfinder
  • ✓Long battery life

Cons

  • –DSLR declining
  • –No IBIS
  • –Crop sensor

GR IV

Pros

  • ✓25.74MP APS-C sensor
  • ✓5-axis sensor-shift SR
  • ✓53GB internal memory
  • ✓Pocketable 28mm GR lens

Cons

  • –Fixed lens
  • –No built-in EVF
  • –Full HD video only

Full specifications

✓ = category winner

EOS 90D
GR IV
Resolution
32.5 MP✓+26%
25.74 MP
Sensor type
APS-C CMOS
APS-C CMOS
Sensor size
22.3 × 14.8 mm
23.3 x 15.5 mm
AA filter
Yes
No
EOS 90D
GR IV
AF system
45-point all cross-type AF / Dual Pixel CMOS AF
Hybrid AF (image-plane phase detection + contrast detection)
AF points / zones
45
49✓+9%
AF frame coverage
100 %
—
AF low-light limit
-3 EV
—
Eye AF
Yes
Yes
Animal / bird AF
No
No
Subject recognition
Human, Animal, Bird, Vehicle
Face, Eye
EOS 90D
GR IV
Burst (mechanical)
10 fps✓2.5× more
4 fps
Burst (electronic)
10 fps✓2.5× more
4 fps
Pre-Capture / Pre-Release
Yes
No
RAW buffer depth
60 frames
—
EOS 90D
GR IV
Max resolution
4K UHD
Full HD
4K max frame rate
30 fps
60 fps✓2× more
Max video bit rate
150 Mbps
—
Internal RAW video
No
No
Log profile
Standard profiles
Standard profiles
Codecs
H.264
MPEG-4 AVC/H.264, MOV
EOS 90D
GR IV
Weight
520 g
262 g✓−258 g less
Dimensions (W×H×D mm)
138 × 98 × 88 mm
109.4 × 61.1 × 32.7 mm
Weather sealing
Yes
No

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, EOS 90D or GR IV?

EOS 90D scores 8.0/10 versus 1.0/10 for GR IV — Bird AF subject recognition.

What's the resolution difference between the EOS 90D and GR IV?

EOS 90D is 32.5 MP and GR IV is 25.74 MP, so the EOS 90D captures more detail for cropping and large prints.

Do the EOS 90D and GR IV have in-body image stabilization?

EOS 90D has 6-stop in-body image stabilization, while gR IV has in-body image stabilization.

Which shoots faster bursts — the EOS 90D or the GR IV?

EOS 90D reaches 10 fps electronic. GR IV reaches 4 fps electronic.

What's the weight difference between the EOS 90D and GR IV?

EOS 90D weighs 520 g and GR IV weighs 262 g, so the GR IV is 258 g lighter.

Do the EOS 90D and GR IV record 4K video?

EOS 90D: 4K up to 30p. GR IV: 4K up to 60p.

Are the EOS 90D and GR IV weather sealed?

EOS 90D: Yes. GR IV: No.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS 90D and 250 shots for the GR IV, giving the EOS 90D the edge.

How much does each cost?

EOS 90D launched at $1,199 and GR IV at $1,499. The EOS 90D is $300 less.

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