✦ SIDE-BY-SIDE COMPARE

Canon EOS R3 vs Canon EOS R6 Mark III vs Sony A7 IV: which is better?

Canon EOS R3, Canon EOS R6 Mark III and Sony A7 IV compared side by side across 123 specs and 13 scored categories — every winner highlighted, so the right pick is obvious.

3 PRODUCTS · 123 SPECS · 13 SCORED CATEGORIES · LIVE RE-RANKING

COMPARING

3 / 4

CAMERAS

Add or remove products — every chart and spec row re-ranks live.

← TOP PICK

CANON

Canon EOS R3

$6,471

BEST OVERALL

CANON

Canon EOS R6 Mark III

See price

BEST FOR VIDEO

SONY

Sony A7 IV

$2,499

BEST VALUE

Add product

1 AVAILABLE

⚡ COMPARZONE VERDICT

The Canon EOS R3 takes the overall win.

Highest composite at 9.3/10 — 0.2 ahead of the Canon EOS R6 Mark III. Dead heat on battery. Scroll for the category-by-category breakdown.

View the winner →

CATEGORY WINS · 13 SCOREDTIES SHOWN GREY

BATT

DESI

DOXM

FEAT

OPTI

PERF

VIDE

VALU

AUTO

BUIL

IMAG

VIDE

Canon EOS R3×7

Canon EOS R6 Mark III×2

Sony A7 IV×0

Canon EOS R3 - Best Price Of Bellow 6500$ BEST OVERALL

Canon EOS R6 Mark III Mirrorless CameraBEST FOR VIDEO

Sony A7 IV Full-Frame Mirrorless CameraBEST VALUE

01 · SCORE RADAR

Performance profile

CLICK A PRODUCT TO ISOLATE ITS SHAPE

LARGEST GAPVideo — Canon EOS R6 Mark III leads by 9.0

TIGHTESTBATTERY — dead heat between the top two

02 · CATEGORY BREAKDOWN

Category showdown

EOS R3MARK IIIA7 IV

BATTERYiTIED AT 8.0

EOS R38.0

MARK III8.0

A7 IV7.5

DESIGNiCanon EOS R3 · +0.5

EOS R39.0

MARK III8.5

A7 IV8.5

DOXMARKiCanon EOS R3 · +0.5

EOS R39.5

MARK III0.0

A7 IV9.0

FEATURESiCanon EOS R3 · +0.7

EOS R39.7

MARK III9.0

A7 IV9.0

OPTICSiCanon EOS R3 · +0.8

EOS R39.8

MARK III9.0

A7 IV9.0

PERFORMANCEiCanon EOS R3 · +0.8

EOS R39.8

MARK III9.0

A7 IV8.8

VIDEOGRAPHYiCanon EOS R3 · +0.5

EOS R39.5

MARK III9.0

A7 IV8.8

ValueiTIED AT 8.0

EOS R37.0

MARK III8.0

A7 IV8.0

AutofocusiTIED AT 9.5

EOS R30.0

MARK III9.5

A7 IV9.5

BuildiCanon EOS R6 Mark III · +0.5

EOS R30.0

MARK III9.0

A7 IV8.5

Image QualityiTIED AT 9.0

EOS R30.0

MARK III9.0

A7 IV9.0

VideoiCanon EOS R6 Mark III · +9.0

EOS R30.0

MARK III9.0

A7 IV0.0

VideographyiCanon EOS R3 · +0.5

EOS R39.5

MARK III9.0

A7 IV8.8

03 · VALUE MAP

Price vs performance

TOP-LEFT IS THE SWEET SPOT

SCORE PER $100 · RANKED

01Sony A7 IV0.34BEST DEAL

02Canon EOS R30.14

Map shows current starting prices · trends show tracked street prices. Check live deals before deciding.

04 · THE FULL SHEET

Full specifications

123 SPECS · ALL SHOWN

SPECS

Canon EOS R3$6,47121W9.3

Canon EOS R6 Mark III5W9.1

Sony A7 IV$2,4998W8.5

AF Pointsi

4,779← BEST +354%

1,053

759

Subject Detectioni

Humans, Animals (Dogs/Cats/Birds), Cars, Motorcycles, Trains, Aircraft

Human (eye, face, body), Animal (dog, cat, bird), Vehicle

Human, Animal, Bird

Burst RateFPSi

30 fps← BEST +100%

15 fps

10 fps

Battery HealthWHi

88.99 Wh

16.3 Wh

16.4 Wh

Removable BatteryiSAME

Yes

Battery Level IndicatoriSAME

Yes

Battery PowerMAHi

2,750 mAh

2130 mAh

2280 mAh

Rechargeable BatteryiSAME

Yes

Full Charge Shotsi

Approx. 620 (EVF) / 860 (LCD) shots

760 shots (EVF power saving)

580 (LCD) / 520 (EVF)

Battery VoltageVi

10.8 V← BEST +41%

7.65 V

7.2 V

Battery Modeli

LP-E19

LP-E6NH

NP-FZ100

Card Slotsi

Dual SD (UHS-II)

Dual (CFexpress Type A/SD, SD)

Weather SealingiSAME

Yes

Battery (CIPA)SHOTSi

620 shots

760 shots← BEST +23%

580 shots

WeightGi

820 g

670 g

658 g← 2% lighter

Weather Sealed ( Splashproof )i

Yes

Yes, dust and splash resistant

Yes (Splashproof)

Screen Resolutioni

4,150,000

2.1m dots

1.03m dots

Touch ScreeniSAME

Yes

System Camerai

Yes

Mirrorless

Yes (Mirrorless)

EVF ResolutionM DOTSi

5.76 m dots← TIED BEST

3.68 m dots

Screen SizeINCHi

3.2 inch← BEST +7%

3 inch

Hot Shoei

Yes

Yes, multi-function shoe

Yes

FlashiSAME

Flip Out ScreeniSAME

Yes

VolumeCM³i

1,865.21 cm³

1200 cm³

1011.5 cm³

Lowest Potential Operating Temperature°CiSAME

0 °C

Tilting Viewfinderi

N/A

EVF Refresh Rate ( Max )HZiSAME

120 Hz

WidthMMi

150 mm← BEST +8%

138.4 mm

131.3 mm

HeightMMi

142.6 mm← BEST +45%

98.4 mm

96.4 mm

Maximum Operating Temperature°CiSAME

40 °C

Waterproof Depthi

7.5

—

0 m

Thicknessi

87.2 mm

88.4 mm

79.8 mm

Dxomark Sensor Scorei

97← BEST +1%

Dxomark Sports Scorei

96← BEST +276%

25.5

Dxomark Landscape Scorei

25.3← BEST +72%

14.7

Dxomark Portrait Scorei

25.3

25.4← BEST

Bluetooth Versioni

5.0

5.2

4.1

Typei

Professional Mirrorless

Mirrorless

Mirrorless Camera

Viewfinderi

Electronic (OLED)

Electronic

Electronic (OLED)

Viewfinder CoverageiSAME

100

WeightGi

822 g← BEST +23%

670 g

658 g

Processori

DIGIC X

DIGIC X2

BIONZ XR

Release Datei

2021-09-14

2025-03-15

2021-10-26

Wi-Fi SupportediSAME

Yes

Bluetooth SupportediSAME

Yes

Dual Card SlotsiSAME

Yes

Pixel Shift Shoti

false

Shoots RawiSAME

Yes

Supports Lossless Compressed RawiSAME

Yes

Wi-Fi Versioni

Wi-Fi 5 (802.11ac)

Wi-Fi 6 (802.11ax)

802.11ac

Supports A RemoteiSAME

Yes

HDMI SupportediSAME

Yes

GPS Supporti

Yes← BEST

Support Live StreamingiSAME

Yes

Advanced Hot Shoei

Yes

Yes (Multi Interface Shoe)

Internal StorageiSAME

HDMI Versioni

HDMI micro (Type D)

2.1

Internal Storage SizeiSAME

0 GB

NFC Supportedi

Yes← BEST

USB Type-CiSAME

Yes

External Memory SlotiSAME

Yes

Sensori

BSI CMOS

Full-frame CMOS

Full-frame Exmor R CMOS

ResolutionMPi

24.1 MP

30.4 MP

33 MP← BEST +9%

ISO Rangei

100–102,400

100-102400 (expandable to 50-204800)

100-51200

Dynamic RangeSTOPSi

14 stops

14.7 stops← BEST +5%

Stabilizationi

8 stops

In-body Image Stabilization (IBIS)

5-axis In-Body Image Stabilization

Sensor Sizei

Full-Frame (36 x 24 mm)

36 x 24 mm

Full Frame (35.9 x 23.9 mm)

Lens MountiSAME

Yes

Megapixelsi

24.1 MP

30.4 MP

33 MP

Maximum ISOi

102,400← TIED BEST

51,200

Sensor Shift StabilizationiSAME

Yes

Continuous Shootingi

12 fps

15 fps

10 fps

Phase Detection Autofocus For PhotosiSAME

Yes

Fastest Shutter Speedi

1/8000 sec (mechanical)

1/16000s (electronic)

1/8000 s

Focus Pointsi

1053

1053 (effective)

759 (Phase-detection)

Maximum Expanded ISOiSAME

204800

AF TrackingiSAME

Yes

Manual FocusiSAME

Yes

Touch AutofocusiSAME

Yes

Manual Shutter SpeediSAME

Yes

BSI SensoriSAME

Yes

Manual ExposureiSAME

Yes

Serial Shot ModeiSAME

Yes

CMOS SensoriSAME

Yes

Built In HDR ModeiSAME

Yes

Two Stage ShutteriSAME

Yes

Manual ISOiSAME

Yes

Flash Sync Speedi

1/250 sec

1/250s

1/250 s

Manual White BalanceiSAME

Yes

Exposure Timei

30 - 1/8000 sec

30s - 1/16000s

—

Image Stabilization Ratingi

8.5

9.5← BEST +12%

Maximum Electronic Shutter Speedi

1/64000 sec

1/16000s

1/8000 s

Can Combine Image Stabilizationi

Yes

Yes (IBIS + OIS)

Yes

Can Create Panoramas In CameraiSAME

Stacked Cmos Sensori

Yes← BEST

USB SupportediSAME

Yes

USB Versioni

USB 3.2 Gen 2

3.2 Gen 2

Pixel Size ( Main Camera )i

6.0 µm

5.33 µm

5.09 µm

Build Qualityi

9.5← BEST +6%

8.5

Controlsi

10← BEST +11%

Autofocus Pointsi

9.8← BEST +3%

9.5

Image Qualityi

9.5← BEST +6%

Video Qualityi

9.6← BEST +7%

8.8

Battery Lifei

8← TIED BEST

7.5

Low Light Performancei

9.5← BEST +6%

8.5

The Verdicti

The Canon EOS R3 is an outstanding professional mirrorless camera, delivering unparalleled speed, advanced autofocus, and robust build quality. It's a top-tier choice for sports, wildlife, and news photographers who need a reliable workhorse that excels in demanding situations, justifying its premium price.

A highly anticipated upgrade, the Canon EOS R6 Mark III is expected to deliver a compelling blend of speed, resolution, and advanced video features for demanding professionals and enthusiasts.

The Sony A7 IV is an exceptional hybrid camera, delivering professional-grade performance for both photography and videography, making it a top choice for serious creators.

Commentsi

—

Users will likely praise its refined autofocus, improved sensor, and robust video capabilities, though some may desire higher resolution or a more compact body.

Users consistently praise the A7 IV for its outstanding image quality, highly reliable autofocus, and advanced video features, though some note the menu system's complexity and the 4K 60p crop.

Overall Ratingi

9.99← BEST +14%

8.8

8.7

Color Combinationi

9.59

9.8← TIED BEST

Video Recording ( Main Camera )i

6K 60p, 4K 120p

4K 60p (Super 35) / 4K 30p (Full-frame)

Phase Detection Autofocus For VideosiSAME

Yes

Microphone InputiSAME

Yes

Audio JackiSAME

Yes

Timelapse FunctioniSAME

Yes

Movie Bit Ratei

Up to 2600 Mbps (6K Raw)

Up to 600 Mbps (H.265/H.264)

600 Mbps

24p Cinema ModeiSAME

Yes

Supports Slow Motion Video RecordiSAME

Yes

Continuous Autofocus When Recording MoviesiSAME

Yes

Stereo MicrophoneiSAME

Yes

MicrophoneiSAME

Yes

Max Videoi

6K RAW (6000 × 3164) at 60 fps

6K 60p

4K 60p

Internal ColoriSAME

10-bit 4:2:2

ROW WINS

05 · WHICH ONE IS FOR YOU

Pick by persona

RE-RANKS LIVE AS YOU ADD OR REMOVE PRODUCTS

THE ALL-ROUNDER

Best overall

Canon EOS R3CANON9.3

ALL GROUPSEQUAL WEIGHT

Best total score across weighted category factors.

RUNNER-UP · Canon EOS R6 Mark III (9.1)

FOR VALUE SEEKERS

Best bang for buck

Sony A7 IVSONY8.5

SCORE ÷ PRICELIVE PRICES

Strongest score-to-price ratio from the available price data.

RUNNER-UP · Canon EOS R3 (0.1)

PRIORITY · VIDEO

Best for video

Canon EOS R6 Mark IIICANON9.0

VIDEO WEIGHTEDCONF 86%

Best visible score in the video category group.

RUNNER-UP · Canon EOS R3 (0.0)

PRIORITY · OPTICS

Best for optics

Canon EOS R3CANON9.8

OPTICS WEIGHTEDCONF 94%

Best visible score in the optics category group.

RUNNER-UP · Canon EOS R6 Mark III (9.0)

06 · BOTTOM LINE

Why pick each

STRENGTHS · AND ONE HONEST TRADE-OFF

#1CANON0.0

Canon EOS R3

“The Canon EOS R3 is a professional-grade full-frame mirrorless camera designed for speed, reliability, and exceptional image quality.”

OPTICS 9.8

PERFORMANCE 9.8

Wins Image Quality

Wins Overall Rating

TRADE-OFFVery high price point

BEST OVERALLFull review →

#2CANON0.0

Canon EOS R6 Mark III

“The anticipated Canon EOS R6 Mark III is poised to be a high-performance full-frame mirrorless camera, ideal for advanced photographers and ”

Autofocus 9.5

Build 9.0

Wins Color Combination

Wins Battery (CIPA)

TRADE-OFFLikely high launch price

BEST FOR VIDEOFull review →

#3SONY0.0

Sony A7 IV

“The Sony A7 IV is a versatile full-frame mirrorless camera, excelling as a hybrid tool for both demanding photographers and videographers.”

Autofocus 9.5

DOXMARK 9.0

Wins Resolution

Wins Dxomark Sensor Score

TRADE-OFF4K 60p video has a Super 35 crop

BEST VALUEBest price →

Still deciding? The Canon EOS R3 is the safest pick.

COMPOSITE 9.3/10 · WINS 7 OF 13 CATEGORIES

View the winner →

Canon EOS R3 - Best Price Of Bellow 6500$ vs Canon EOS R6 Mark III Mirrorless Camera vs Sony A7 IV Full-Frame Mirrorless Camera: which is best?

The Canon EOS R3 - Best Price Of Bellow 6500$ is our overall pick, scoring 9.3/10 against 9.1/10 for the Canon EOS R6 Mark III Mirrorless Camera — a 2% edge. Current starting prices span $2,499–$6,471. The score weighs category-specific cameras attributes, spec wins, price signals, and data confidence — not sponsorships.

Canon EOS R3 - Best Price Of Bellow 6500$ leads overall with a 9.3 total score.
Canon EOS R3 - Best Price Of Bellow 6500$ wins 67 comparable specs with a 60% weighted win rate.
Canon EOS R3 - Best Price Of Bellow 6500$ has the strongest high-impact advantage in Image Quality.
Sony A7 IV Full-Frame Mirrorless Camera has the best visible score-to-price balance based on available starting price.

Canon EOS R3 - Best Price Of Bellow 6500$ WINNER 9.3/10

The Canon EOS R3 is a professional-grade full-frame mirrorless camera designed for speed, reliability, and exceptional image quality.

Pros

+ Blazing 30fps electronic shutter
+ Advanced Eye Control AF
+ Robust weather-sealed build
+ Excellent 6K RAW video

Cons

− Very high price point
− Large, heavy body
− 24MP may be low for some

Best for: Professional Sports Photographers · Wildlife Photographers · Photojournalists

“Verdict: The Canon EOS R3 is an outstanding professional mirrorless camera, delivering unparalleled speed, advanced autofocus, and robust build quality. It's a top-tier choice for sports, wildlife, and news photographers who need a…”

Canon EOS R6 Mark III Mirrorless Camera9.1/10

The anticipated Canon EOS R6 Mark III is poised to be a high-performance full-frame mirrorless camera, ideal for advanced photographers and videographers seeking speed, resolution, and robust features.

Pros

+ Anticipated higher resolution sensor
+ Enhanced autofocus performance
+ Faster continuous shooting speeds
+ Advanced internal 6K video capabilities

Cons

− Likely high launch price
− No built-in flash
− Potential for minor overheating in extreme video modes

Best for: Hybrid Photo/Video Professionals · Sports and Wildlife Photography · Cinematic Video Production

“Verdict: While still a hypothetical product, the Canon EOS R6 Mark III is expected to be a formidable mirrorless camera, offering a compelling blend of speed, resolution, and advanced video features. If it delivers on anticipated upgrades…”

Sony A7 IV Full-Frame Mirrorless Camera8.5/10

The Sony A7 IV is a versatile full-frame mirrorless camera, excelling as a hybrid tool for both demanding photographers and videographers.

Pros

+ Excellent 33MP full-frame image quality
+ Advanced Real-time Tracking autofocus
+ Robust 4K 10-bit video capabilities
+ Effective 5-axis in-body stabilization

Cons

− 4K 60p video has a Super 35 crop
− Rolling shutter can be noticeable
− Menu system still complex for some

Best for: Hybrid Photo/Video Shooters · Professional Content Creators · Wedding and Event Photographers

“Verdict: The Sony A7 IV is an outstanding hybrid mirrorless camera that strikes an excellent balance between high-resolution stills and advanced video capabilities. It's a highly recommended choice for content creators and professionals…”

Frequently asked questions

Which is best: Canon EOS R3 - Best Price Of Bellow 6500$ , Canon EOS R6 Mark III Mirrorless Camera or Sony A7 IV Full-Frame Mirrorless Camera?

By ComparZone's weighted scoring of category-specific cameras specs, the Canon EOS R3 - Best Price Of Bellow 6500$ scores highest overall (9.3/10, 0.2 points ahead of the Canon EOS R6 Mark III Mirrorless Camera). It is the better all-round pick, but the right choice depends on your priorities — the spec table above shows exactly where each one wins.

What are the main differences between these cameras?

The biggest measurable differences are Image Quality, Overall Rating, Sensor — with the Canon EOS R3 - Best Price Of Bellow 6500$ leading on Image Quality. The grouped spec sheet above marks the winner of every comparable spec.

Can I compare other cameras on ComparZone?

Yes — ComparZone supports dynamic comparison pages for any 2 to 4 cameras from the same category, with verified specs, transparent scores, and live prices. See the related comparisons below or build your own from the category page.

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