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Olympus E-330 vs Pentax 645D

Portability
65
Imaging
41
Features
40
Overall
40
Olympus E-330 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus E-330 vs Pentax 645D Key Specs

Olympus E-330
(Full Review)
  • 7MP - Four Thirds Sensor
  • 2.5" Tilting Display
  • ISO 100 - 400 (Expand to 1600)
  • No Video
  • Micro Four Thirds Mount
  • 616g - 140 x 87 x 72mm
  • Launched March 2006
  • Other Name is EVOLT E-330
  • Older Model is Olympus E-300
  • Updated by Olympus E-450
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Revealed March 2010
  • New Model is Pentax 645Z
Photography Glossary

Olympus E-330 vs Pentax 645D Overview

On this page, we are reviewing the Olympus E-330 and Pentax 645D, former being a Advanced DSLR while the other is a Pro DSLR by rivals Olympus and Pentax. There exists a noticeable gap among the resolutions of the E-330 (7MP) and 645D (40MP) and the E-330 (Four Thirds) and 645D (Medium format) have different sensor dimensions.

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The E-330 was manufactured 5 years prior to the 645D and that is a fairly sizable difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-330 being a Mid-size SLR camera and the Pentax 645D being a Large SLR camera.

Before getting right into a complete comparison, here is a concise overview of how the E-330 matches up versus the 645D with respect to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-330 over the Pentax 645D

 E-330 645D 
Display typeTiltingFixed Tilting display

Reasons to pick Pentax 645D over the Olympus E-330

 645D E-330 
RevealedMarch 2010March 2006More recent by 48 months
Display dimensions3"2.5"Larger display (+0.5")
Display resolution921k215kSharper display (+706k dot)

Common features in the Olympus E-330 and Pentax 645D

 E-330 645D 
Manual focus Dial accurate focusing
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus E-330 vs Pentax 645D Physical Comparison

For anybody who is intending to lug around your camera, you're going to have to think about its weight and size. The Olympus E-330 has outside dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") having a weight of 616 grams (1.36 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Compare the Olympus E-330 and Pentax 645D in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary based on the lens you are using at that time. Below is a front view dimensions comparison of the E-330 and the 645D.

Olympus E-330 vs Pentax 645D size comparison

Using dimensions and weight, the portability score of the E-330 and 645D is 65 and 50 respectively.

Olympus E-330 vs Pentax 645D top view buttons comparison

Olympus E-330 vs Pentax 645D Sensor Comparison

More often than not, it is difficult to visualize the gap in sensor measurements merely by going through specifications. The visual below will provide you a much better sense of the sensor dimensions in the E-330 and 645D.

To sum up, each of the cameras provide different megapixel count and different sensor measurements. The E-330 because of its smaller sensor is going to make shooting bokeh trickier and the Pentax 645D will produce greater detail due to its extra 33MP. Greater resolution will allow you to crop photos more aggressively. The older E-330 will be behind with regard to sensor innovation.

Olympus E-330 vs Pentax 645D sensor size comparison

Olympus E-330 vs Pentax 645D Screen and ViewFinder

Olympus E-330 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-330 Portrait photography highlights
Pentax 645D Portrait photography highlights
54
focusing manually
nice sensor size (Four Thirds)
exports RAW files
sensor resolution not great (7 megapixels)
77
manual focus
MP count high (40MP)
great sensor size (Medium format)
saves RAW formats
no liveview
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Street Comparison

Olympus E-330 Street photography highlights
Pentax 645D Street photography highlights
60
tilting screen
nice sensor size (Four Thirds)
exports RAW files
lighter than competition (616g)
lack of image stabilization
max ISO too low (400)
58
great sensor size (Medium format)
saves RAW formats
weather proofing
fixed screen
no image stabilization
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Sports Comparison

Sports photography with Olympus E-330
Sports photography with Pentax 645D
40
nice sensor size (Four Thirds)
comes with phase detect autofocus
painfully slow continuous shooting (3.0 fps)
lack of image stabilization
sensor resolution not great (7 megapixels)
63
MP count high (40 megapixels)
great sensor size (Medium format)
weather proofing
supports phase detect auto focus
no liveview
slow frames per second (1.0 fps)
no image stabilization
low battery (800 CIPA)
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Travel Comparison

Olympus E-330 Travel photography features
Pentax 645D Travel photography features
50
lighter than competition (616 grams)
built-in flash
does not have Timelapse recording
sensor resolution not great (7 megapixels)
doesn't have a selfie friendly screen
55
weather proofing
MP count high (40MP)
low battery (800 per charge)
doesn't offer selfie friendly display
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Landscape Comparison

Olympus E-330 Landscape photography information
Pentax 645D Landscape photography information
45
focusing manually
swap lenses (Micro Four Thirds mount)
nice sensor size (Four Thirds)
exports RAW files
small screen (2.5")
lack of image stabilization
sensor resolution not great (7 megapixels)
max ISO too low (400)
does not have Timelapse recording
72
manual focus
interchangeable lenses (Pentax 645AF2 mount)
pretty good screen size (3 inch)
MP count high (40MP)
great sensor size (Medium format)
no low pass filter
saves RAW formats
weather proofing
two card slots
no liveview
no image stabilization
low battery (800 shots)
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Vlogging Comparison

Olympus E-330 Vlogging features
Pentax 645D Vlogging features
9
can't record video
9
lack of video recording
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Olympus E-330 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus E-330 and Pentax 645D
 Olympus E-330Pentax 645D
General Information
Make Olympus Pentax
Model type Olympus E-330 Pentax 645D
Also called EVOLT E-330 -
Type Advanced DSLR Pro DSLR
Launched 2006-03-18 2010-03-10
Physical type Mid-size SLR Large SLR
Sensor Information
Chip - Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor area 224.9mm² 1,452.0mm²
Sensor resolution 7 megapixel 40 megapixel
Anti alias filter
Aspect ratio 4:3 4:3
Full resolution 3136 x 2352 7264 x 5440
Max native ISO 400 1600
Max boosted ISO 1600 -
Minimum native ISO 100 200
RAW images
Minimum boosted ISO - 100
Autofocusing
Manual focusing
Touch to focus
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 3 11
Lens
Lens support Micro Four Thirds Pentax 645AF2
Amount of lenses 45 6
Crop factor 2.1 0.8
Screen
Type of display Tilting Fixed Type
Display size 2.5" 3"
Resolution of display 215k dots 921k dots
Selfie friendly
Liveview
Touch functionality
Display technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 98 percent
Viewfinder magnification 0.47x 0.85x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance - no built-in flash
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AEB
White balance bracketing
Maximum flash synchronize 1/180 secs 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Max video resolution None None
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 616 gr (1.36 lb) 1480 gr (3.26 lb)
Physical dimensions 140 x 87 x 72mm (5.5" x 3.4" x 2.8") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around rating not tested 82
DXO Color Depth rating not tested 24.6
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 1262
Other
Battery life - 800 shots
Style of battery - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC
Card slots One Dual
Retail pricing $1,100 $4,000