Sony
Alpha 7S III
12MP low-light video specialist with 4K 120p, 16-bit RAW HDMI, and excellent autofocus.
$3,499
Launch priceReleased Sep 2020
Sony
RX100 VII
Premium 1-inch pocket camera with 24–200mm zoom and real-time tracking AF.
$1,299
Launch priceReleased Aug 2019
Alpha 7S III is 1 year newer.
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Wins
Alpha 7S III
Wins
RX100 VII
1 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 7S III has higher IBIS effectiveness (5.5 stops vs 0 stops)
- AAlpha 7S III has higher ISO max (native) (102,400 vs 12,800)
- AAlpha 7S III has higher 4K max frame rate (120 fps vs 30 fps)
- AAlpha 7S III has higher Max video bit rate (600 Mbps vs 150 Mbps)
- AAlpha 7S III has higher EVF resolution (9,437,184 vs 2,359,296)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareAlpha 7S III
129 × 97 × 81 mm
699 g (1.54 lb / 24.66 oz)
Credit card
85.6 × 54 mm
for scale
RX100 VII
102 × 58 × 43 mm
302 g (0.67 lb / 10.65 oz)
Alpha 7S III is 27mm wider, 39mm taller, and 38mm thicker than RX100 VII.
Alpha 7S III is 397 g heavier than RX100 VII.
Depth (front-to-back): 81mm Alpha 7S III · 43mm RX100 VII
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7S III
129 × 97 mm
Credit card
85.6 × 54 mm
RX100 VII
102 × 58 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 7S III
129 × 81 mm
Credit card
85.6 × 54 mm
RX100 VII
102 × 43 mm
Sensor size, to scale
Alpha 7S III
35.6 × 23.8 mm · Full Frame
847 mm² area
RX100 VII
13.2 × 8.8 mm · 1″
116 mm² area
7.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Alpha 7S III
✓ more lensesSony E
350+
native lenses available
RX100 VII: 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
Why pick one over the other
Reasons to choose
Alpha 7S III
AF low-light limit
-6 EV vs -4 EV — lower is better
IBIS effectiveness
5.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 128.9, 96.9, 80.8
Card types
Adds CFexpress Type A, SD UHS-II
ISO max (native)
102,400 vs 12,800 — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
Reasons to choose
RX100 VII
Dimensions (W×H×D mm)
Adds 101.6, 58.1, 42.8
Card types
Adds SD UHS-I, Memory Stick Duo
Weight
302 g vs 699 g — lower is better
Burst (mechanical)
20 fps vs 10 fps — higher is better
Burst (electronic)
20 fps vs 10 fps — higher is better
Resolution
20.1 MP vs 12.1 MP — higher is better
Codecs
Adds AVCHD
Both cameras share
- ✓AA filter — Both support aa filter
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 7S III
Pros
- ✓Best-in-class low light
- ✓4K 120p
- ✓Full-size HDMI
- ✓Strong IBIS
Cons
- –12MP stills limit
- –Older generation now
- –No 8K
RX100 VII
Pros
- ✓Pocketable zoom range
- ✓Real-time Eye AF
- ✓Great travel camera
Cons
- –1-inch sensor
- –Expensive
- –Small controls
Decided which one is right for you?
Compare live prices for the Alpha 7S III and RX100 VII at major authorized retailers.
Sony Alpha 7S III
Sony RX100 VII
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Alpha 7S III or RX100 VII?
Alpha 7S III scores 5.5/10 versus 0.0/10 for RX100 VII — Full-frame sensor — wider dynamic range.
What's the resolution difference between the Alpha 7S III and RX100 VII?
Alpha 7S III is 12.1 MP and RX100 VII is 20.1 MP, so the RX100 VII captures more detail for cropping and large prints.
Do the Alpha 7S III and RX100 VII have in-body image stabilization?
Alpha 7S III has 5.5-stop in-body image stabilization, while RX100 VII does not have IBIS.
Which shoots faster bursts — the Alpha 7S III or the RX100 VII?
Alpha 7S III reaches 10 fps electronic. RX100 VII reaches 20 fps electronic.
What's the weight difference between the Alpha 7S III and RX100 VII?
Alpha 7S III weighs 699 g and RX100 VII weighs 302 g, so the RX100 VII is 397 g lighter.
Do the Alpha 7S III and RX100 VII record 4K video?
Alpha 7S III: 4K up to 120p. RX100 VII: 4K up to 30p.
Are the Alpha 7S III and RX100 VII weather sealed?
Alpha 7S III: Yes. RX100 VII: No.
Which has better battery life?
Rated battery life is 600 shots (CIPA) for the Alpha 7S III and 260 shots for the RX100 VII, giving the Alpha 7S III the edge.
How much does each cost?
Alpha 7S III launched at $3,499 and RX100 VII at $1,299. The RX100 VII is $2,200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 7S III vs RX100 VII vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sony press materials.