Canon
EOS RP
Affordable full-frame RF entry with compact body and Dual Pixel AF for enthusiasts stepping up.
$999
Released Feb 2019
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Alpha 7 IV is 2.7 years newer.
Wins
EOS RP
Wins
Alpha 7 IV
3 categories tied
TL;DR — Key differences
- BAlpha 7 IV has higher IBIS effectiveness (5.5 stops vs 0 stops)
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 60 frames)
- AEOS RP has higher AF points / zones (4779 vs 759)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 7 IV has higher 4K max frame rate (60 fps vs 25 fps)
Key specs at a glance
Size and weight, to scale
EOS RP
133 × 85 × 70 mm
485 g (1.07 lb / 17.11 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
EOS RP is 11mm shorter and 10mm thinner than Alpha 7 IV but it is also 1mm wider.
EOS RP is 173 g lighter than Alpha 7 IV.
Depth (front-to-back): 70mm EOS RP · 80mm Alpha 7 IV
Sensor size, to scale
EOS RP
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS RP
Canon RF
105+
native lenses available
Alpha 7 IV
✓ 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
EOS RP
AF low-light limit
-5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 132.5, 85, 70
AF points / zones
4779 vs 759 — higher is better
Weight
485 g vs 658 g — lower is better
Subject recognition
Adds Vehicle
Battery life (CIPA)
640 shots vs 580 shots — higher is better
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
Alpha 7 IV
IBIS effectiveness
5.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 60 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
4K max frame rate
60 fps vs 25 fps — higher is better
Animal / bird AF
Only Alpha 7 IV supports it
Subject recognition
Adds Insect, Car/Train, Airplane
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓EVF magnification — Both 0.78 ×
- ✓EVF refresh rate — Both 120 Hz
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS RP
Pros
- ✓Lowest-cost Canon full-frame RF
- ✓Compact and light
- ✓Dual Pixel AF
- ✓Fully articulating screen
Cons
- –4K video crop
- –Single card slot
- –No IBIS
Alpha 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS RP or Alpha 7 IV?
Alpha 7 IV scores 7.5/10 versus 3.0/10 for EOS RP — 4K recording.
What's the resolution difference between the EOS RP and Alpha 7 IV?
EOS RP is 26.2 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the EOS RP and Alpha 7 IV have in-body image stabilization?
EOS RP does not have IBIS, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS RP or the Alpha 7 IV?
EOS RP reaches 5 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the EOS RP and Alpha 7 IV?
EOS RP weighs 485 g and Alpha 7 IV weighs 658 g, so the EOS RP is 173 g lighter.
Do the EOS RP and Alpha 7 IV record 4K video?
EOS RP: 4K up to 25p. Alpha 7 IV: 4K up to 60p.
Are the EOS RP and Alpha 7 IV weather sealed?
EOS RP: No. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS RP and 580 shots for the Alpha 7 IV, giving the EOS RP the edge.
How much does each cost?
EOS RP launched at $999 and Alpha 7 IV at $2,499. The EOS RP is $1,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.