| Sony Cyber-shot DSC-H55 | Pentax Optio 330 | | Image |
| ISO | Auto, 80,100, 200, 400, 800, 1600, 3200 | 100, 200 |
| Image stabilization | Optical | No |
| JPEG quality levels | Fine, Standard | Normal, Fine, Superfine |
| Uncompressed format | No | No |
| Custom white balance | Yes | Yes |
| White balance presets | 7 | 5 |
| Launch |
| Announced | Feb 18, 2010 | May 29, 2001 |
| Sensor |
| Processor | Bionz | |
| Sensor size | 1/2.3" (6.17 x 4.55 mm) | 1/1.8" (7.144 x 5.358 mm) |
| Sensor type | CCD | CCD |
| Max resolution | 4320 x 3240 | 2048 x 1536 |
| Image ratio w:h | 4:3, 16:9 | 4:3 |
| Effective pixels | 14 megapixels | 3 megapixels |
| Other resolutions | 4320 x 2432, 3648 x 2736, 2592 x 1944, 2048 x 1536, 1920 x 1080, 640 x 480 | 1024 x 768, 640 x 480 |
| Sensor photo detectors | | 3 megapixels |
| Storage |
| Storage types | Memory Stick Duo / Pro Duo/ PRO HG-Duo, SD/SDHC, Internal | Compact Flash Type I |
| Storage included | 45 MB | 16 MB CompactFlash |
| Physical |
| Battery | Battery Pack | Battery Pack |
| Dimensions | 103 x 58 x 29 mm (4.06 x 2.28 x 1.14″) | 92 x 59 x 31 mm (3.62 x 2.32 x 1.22″) |
| Battery description | Lithium-Ion (NP-BG1) & charger | Lithium-Ion rechargeable |
| Environmentally sealed | No | No |
| Weight (inc. batteries) | 200 g (0.44 lb / 7.05 oz) | 240 g (0.53 lb / 8.47 oz) |
| Body type |
| Body type | Compact | Ultracompact |
| Connectivity |
| USB | USB 2.0 (480 Mbit/sec) | USB 1.0 (1.5 Mbit/sec) |
| HDMI | No | No |
| Remote control | No | Yes (InfraRed) |
| Optics & Focus |
| Autofocus | Contrast Detect (sensor)Multi-areaCenterSingleLive View | Contrast Detect (sensor)SingleLive View |
| Digital zoom | Yes (20x) | Yes (2 x) |
| Manual focus | No | Yes |
| Optical zoom | 10× | 3× |
| Maximum aperture | F3.5–5.5 | F2.8–4.8 |
| Macro focus range | 5 cm (1.97″) | 14 cm (5.51″) |
| Normal focus range | 100 cm (39.37″) | 40 cm (15.75″) |
| Focal length (equiv.) | 25–250 mm | 37–111 mm |
| Number of focus points | 9 | |
| Other features |
| GPS | None | |
| Orientation sensor | Yes | No |
| Timelapse recording | No | No |
| Screen / viewfinder |
| Live view | Yes | No |
| Screen dots | 230,000 | |
| Screen size | 3″ | 1.6″ |
| Touch screen | No | No |
| Articulated LCD | Fixed | |
| Viewfinder type | None | Optical (tunnel) |
| Photography features |
| Self-timer | Yes (2 or 10 sec, portrait1/ portrait2) | Yes |
| Flash modes | Auto, On, Slow Syncro, Off | Auto, On, Off, Red-eye reduction, Slow Sync |
| Flash range | 3.80 m | |
| Built-in flash | Yes | Yes |
| External flash | No | No |
| Metering modes | MultiCenter-weightedSpot | |
| Continuous drive | 10.0 fps | 0.7 fps |
| Shutter priority | No | No |
| Aperture priority | No | No |
| Manual exposure mode | No | |
| Exposure compensation | ±2 (at 1/3 EV steps) | ±2 (at 1/3 EV steps) |
| Maximum shutter speed | 1/1600 sec | 1/2000 sec |
| Minimum shutter speed | 30 sec | 15 sec |
| Subject / scene modes | Yes | |
| Videography features |
| Format | MPEG-4 | |
| Speaker | None | |
| Microphone | Stereo | |
| Resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | 30 sec, 320 x 240 |