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
Launch priceReleased Jan 2026
Z CAM
E2-M4
Compact MFT cinema box with 4K 120p, ZRAW, ProRes, and interchangeable MFT lenses.
$1,299
Launch priceReleased Jun 2023
GR IV is 2.6 years newer.
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Wins
GR IV
Wins
E2-M4
1 categories tied
Which would you choose?
TL;DR — Key differences
- BE2-M4 has higher AF points / zones (1053 vs 49)
- AGR IV has higher ISO max (native) (204,800 vs 25,600)
- BE2-M4 has higher Burst (electronic) (15 fps vs 4 fps)
- BE2-M4 has higher Battery life (CIPA) (640 shots vs 250 shots)
- AGR IV has higher Resolution (25.74 MP vs 10.28 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Credit card
85.6 × 54 mm
for scale
E2-M4
91 × 66 × 72 mm
370 g (0.82 lb / 13.05 oz)
GR IV is 5mm shorter and 39mm thinner than E2-M4 but it is also 18mm wider.
GR IV is 108 g lighter than E2-M4.
Depth (front-to-back): 33mm GR IV · 72mm E2-M4
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IV
109 × 61 mm
Credit card
85.6 × 54 mm
E2-M4
91 × 66 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IV
109 × 33 mm
Credit card
85.6 × 54 mm
E2-M4
91 × 72 mm
Sensor size, to scale
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
E2-M4
17.3 × 13 mm · Micro Four Thirds
225 mm² area
1.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GR IV: mount data unavailable
E2-M4
✓ more lensesMicro Four Thirds
130+
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
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
Resolution
25.74 MP vs 10.28 MP — higher is better
Weight
262 g vs 370 g — lower is better
Reasons to choose
E2-M4
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds ZRAW, ProRes
Dimensions (W×H×D mm)
Adds 91, 66, 72
Card types
Adds SD UHS-II
AF points / zones
1053 vs 49 — higher is better
Burst (electronic)
15 fps vs 4 fps — higher is better
Battery life (CIPA)
640 shots vs 250 shots — higher is better
AA filter
Only E2-M4 supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓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
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
E2-M4
Pros
- ✓Tiny MFT cinema box
- ✓4K 120p
- ✓ZRAW internal
- ✓Affordable cinema entry
Cons
- –No screen
- –MFT sensor
- –Manual focus workflow
Decided which one is right for you?
Compare live prices for the GR IV and E2-M4 at major authorized retailers.
Ricoh GR IV
Z CAM E2-M4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, GR IV or E2-M4?
E2-M4 scores 9.5/10 versus 1.5/10 for GR IV — 15fps burst — fast action ready.
What's the resolution difference between the GR IV and E2-M4?
GR IV is 25.74 MP and E2-M4 is 10.28 MP, so the GR IV captures more detail for cropping and large prints.
Do the GR IV and E2-M4 have in-body image stabilization?
GR IV has in-body image stabilization, while E2-M4 has 6-stop in-body image stabilization.
Which shoots faster bursts — the GR IV or the E2-M4?
GR IV reaches 4 fps electronic. E2-M4 reaches 15 fps electronic.
What's the weight difference between the GR IV and E2-M4?
GR IV weighs 262 g and E2-M4 weighs 370 g, so the GR IV is 108 g lighter.
Do the GR IV and E2-M4 record 4K video?
GR IV: 4K up to 60p. E2-M4: 4K up to 120p.
Are the GR IV and E2-M4 weather sealed?
GR IV: No. E2-M4: Yes.
Which has better battery life?
Rated battery life is 250 shots (CIPA) for the GR IV and 640 shots for the E2-M4, giving the E2-M4 the edge.
How much does each cost?
GR IV launched at $1,499 and E2-M4 at $1,299. The E2-M4 is $200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IV vs E2-M4 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Ricoh and Z CAM press materials.