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Pentax E85 vs Sony RX10 IV

Portability
95
Imaging
35
Features
10
Overall
25
Pentax Optio E85 front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Pentax E85 vs Sony RX10 IV Key Specs

Pentax E85
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 640 x 480 video
  • 32-96mm (F2.9-5.2) lens
  • 145g - 93 x 58 x 24mm
  • Introduced September 2009
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Released September 2017
  • Replaced the Sony RX10 III
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Pentax E85 vs Sony RX10 IV Overview

Following is a thorough analysis of the Pentax E85 vs Sony RX10 IV, former is a Small Sensor Compact while the latter is a Large Sensor Superzoom by companies Pentax and Sony. There is a large difference between the image resolutions of the E85 (12MP) and RX10 IV (20MP) and the E85 (1/2.3") and RX10 IV (1") enjoy totally different sensor sizing.

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The E85 was released 9 years earlier than the RX10 IV which is quite a serious difference as far as tech is concerned. Each of the cameras come with different body type with the Pentax E85 being a Compact camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before getting in to a in-depth comparison, below is a brief introduction of how the E85 scores vs the RX10 IV in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax E85 over the Sony RX10 IV

 E85 RX10 IV 

Reasons to pick Sony RX10 IV over the Pentax E85

 RX10 IV E85 
ReleasedSeptember 2017September 2009More modern by 97 months
Manually focus Very exact focusing
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1440k230kCrisper screen (+1210k dot)
Touch screen Quickly navigate

Common features in the Pentax E85 and Sony RX10 IV

 E85 RX10 IV 
Selfie screen Neither contains selfie screen

Pentax E85 vs Sony RX10 IV Physical Comparison

If you are planning to carry around your camera frequently, you'll have to take into account its weight and size. The Pentax E85 has got physical measurements of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") with a weight of 145 grams (0.32 lbs) and the Sony RX10 IV has specifications of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") accompanied by a weight of 1095 grams (2.41 lbs).

Examine the Pentax E85 vs Sony RX10 IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you have chosen during that time. Here is the front view sizing comparison of the E85 and the RX10 IV.

Pentax E85 vs Sony RX10 IV size comparison

Factoring in size and weight, the portability grade of the E85 and RX10 IV is 95 and 52 respectively.

Pentax E85 vs Sony RX10 IV top view buttons comparison

Pentax E85 vs Sony RX10 IV Sensor Comparison

Usually, it is difficult to see the gap between sensor sizes only by looking at technical specs. The image below may offer you a much better sense of the sensor measurements in the E85 and RX10 IV.

As you can tell, each of these cameras have got different resolutions and different sensor sizes. The E85 featuring a tinier sensor will make shooting shallow depth of field more difficult and the Sony RX10 IV will resolve more detail as a result of its extra 8MP. Higher resolution can also make it easier to crop photographs much more aggressively. The more aged E85 is going to be behind when it comes to sensor technology.

Pentax E85 vs Sony RX10 IV sensor size comparison

Pentax E85 vs Sony RX10 IV Screen and ViewFinder

Pentax E85 vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax E85 as a Portrait photography camera
Sony RX10 IV as a Portrait photography camera
21
focusing manually not possible
lack of manual exposure
external flash not possible
low megapixels (12MP)
sensor size is tiny (1/2.3")
no RAW files
71
has manual focus
flash sync speed is above average (1/2,000s)
decent MP (20MP)
sensor size is good (1")
features face detect focus
delivers RAW files
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Street Comparison

Pentax E85 Street photography info
Sony RX10 IV Street photography info
47
no moving screen
no image stabilization
sensor size is tiny (1/2.3")
no RAW files
64
screen tilts up and down
built in image stabilization (Optical)
sensor size is good (1")
delivers RAW files
features touch to focus
weather proof
heavier than others (1,095g)
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Sports Comparison

Pentax E85 Sports photography info
Sony RX10 IV Sports photography info
17
very slow continuous shooting (1.0 frames per second)
lack of shutter priority mode
no image stabilization
low megapixels (12 megapixels)
sensor size is tiny (1/2.3")
no phase detect AF
76
incredible zoom range (24-600mm 25.0 x zoom)
silent shutter (1/32,000 seconds)
fast shooting (24.0 frames per second)
built in image stabilization (Optical)
decent MP (20 megapixels)
sensor size is good (1")
features tracking focus
weather proof
supports phase detect auto focus
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Travel Comparison

Pentax E85 Travel photography factors
Sony RX10 IV Travel photography factors
51
has built in flash
doesn't have Timelapse function
low megapixels (12 megapixels)
does not have selfie friendly display
wide angle not the best (32mm)
slow max aperture (f2.9)
56
weather proof
connects via bluetooth
features touch to focus
decent MP (20 megapixels)
has built in flash
pretty wide (24mm)
great zoom (600mm)
no Time Lapse mode
heavier than others (1,095g)
does not posses selfie friendly screen
somewhat slow max aperture (f2.4)
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Landscape Comparison

Pentax E85 Landscape photography information
Sony RX10 IV Landscape photography information
23
focusing manually not possible
fixed lens (fixed lens mount)
wide angle not the best (32mm)
slow max aperture (f2.9)
screen is somewhat small (2.7")
lack of manual exposure
no image stabilization
low megapixels (12 megapixels)
sensor size is tiny (1/2.3")
no RAW files
doesn't have Timelapse function
62
has manual focus
pretty wide (24mm)
nice screen size (3")
built in image stabilization (Optical)
decent MP (20 megapixels)
sensor size is good (1")
delivers RAW files
weather proof
lens is fixed (fixed lens mount)
somewhat slow max aperture (f2.4)
no Time Lapse mode
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Vlogging Comparison

Pentax E85 as a Vlogging camera
Sony RX10 IV as a Vlogging camera
22
wide angle not the best (32mm)
slow max aperture (f2.9)
does not have selfie friendly display
no image stabilization
video resolution low (640 x 480 pixels)
doesn't have external microphone port
29
pretty wide (24mm)
touchscreen enabled
built in image stabilization (Optical)
features face detect focus
high quality video (3840 x 2160 resolution)
comes with mic socket
somewhat slow max aperture (f2.4)
does not posses selfie friendly screen
heavier than others (1,095g)
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Pentax E85 vs Sony RX10 IV Specifications

Detailed spec comparison table for Pentax E85 and Sony RX10 IV
 Pentax Optio E85Sony Cyber-shot DSC-RX10 IV
General Information
Manufacturer Pentax Sony
Model Pentax Optio E85 Sony Cyber-shot DSC-RX10 IV
Category Small Sensor Compact Large Sensor Superzoom
Introduced 2009-09-17 2017-09-12
Physical type Compact SLR-like (bridge)
Sensor Information
Processor Chip - Bionz X
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" 1"
Sensor dimensions 6.17 x 4.55mm 13.2 x 8.8mm
Sensor area 28.1mm² 116.2mm²
Sensor resolution 12 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4000 x 3000 5472 x 3648
Maximum native ISO 3200 12800
Maximum enhanced ISO - 25600
Minimum native ISO 80 125
RAW photos
Minimum enhanced ISO - 64
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 315
Lens
Lens mount fixed lens fixed lens
Lens focal range 32-96mm (3.0x) 24-600mm (25.0x)
Highest aperture f/2.9-5.2 f/2.4-4.0
Macro focus range 10cm 3cm
Crop factor 5.8 2.7
Screen
Screen type Fixed Type Tilting
Screen diagonal 2.7 inches 3 inches
Screen resolution 230k dots 1,440k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.7x
Features
Minimum shutter speed 2 seconds 30 seconds
Fastest shutter speed 1/2000 seconds 1/2000 seconds
Fastest silent shutter speed - 1/32000 seconds
Continuous shutter rate 1.0 frames per sec 24.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 3.00 m 10.80 m (at Auto ISO)
Flash options - Auto, fill-flash, slow sync, rear sync, off
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/2000 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 640 x 480 (30 fps), 320 x 240 (30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 640x480 3840x2160
Video file format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 145 gr (0.32 lb) 1095 gr (2.41 lb)
Dimensions 93 x 58 x 24mm (3.7" x 2.3" x 0.9") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life - 400 shots
Style of battery - Battery Pack
Battery model D-LI95 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, continuous)
Time lapse recording
Type of storage SD/SDHC, Internal SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Pricing at release $0 $1,698