| key specs |
| Camera Type | Digital Camera | Digital Camera |
| Effective Pixels | 7.1 MP | 20.3 MP |
| Sensor Type | CCD | CMOS |
| Display Type | TFT | - |
| Display Size | 2.5 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Canon | Canon |
| Model | PowerShot TX1 7.1MP Digital Camera | PowerShot SX540HS 20.3MP Digital Camera |
| Model Name | PowerShot TX1 | PowerShot SX540HS |
| Series | PowerShot | PowerShot |
| Color | Silver | Black |
| Minimum Illumination | Available | - |
| Type | Digital Camera | Digital Camera |
| Effective Pixels | 7.1 MP | 20.3 MP |
| Dimensions(WxHxD) | 89 x 60 x 29 mm | 30.5 x 25.9 x 21.8 cm |
| Weight | 220 GM | - |
| Temperature | 0 to 40 | 0 to 40 |
| Face Detection | - | Yes |
| Wide Angle | - | Yes |
| sensor features |
| Sensor Type | CCD | CMOS |
| Sensor Size | 1/2.5 inch | - |
| Maximum ISO | 800 ISO | 1600 ISO |
| ISO Rating | - | ISO 80 - 1600 |
| Sensor Technology | - | CMOS |
| lens features |
| Focal Length | 39-390mm 35mm equiv | - |
| Optical Zoom | 10x | 50x |
| Aperture Range | F3.5-5.6 | F3.4 - F6.5 |
| Manual Focus | - | Yes |
| Other Lens Features | - | 100x ZoomPlus, Type Iris Diaphragm, F/Number f/3.4 - f/8.0 W, f/6.5 - f/8.0 T |
| focus features |
| Focus Points | Face Detect AF / 9-point AiAF | - |
| Metering Modes | Evaluative, Center-weighted average, SpotCenter | Evaluative, Center-weighted Average, Spot |
| White Balancing | Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom | - |
| Focus Mode | - | Autofocus Continuous, Servo AF, Manual Focus |
| Focus Range | - | 0 cm - Infinity W, 1.3 m - Infinity T |
| Auto Focus | - | Yes |
| Other Focus Features | - | Control System Autofocus Continuous, Servo AF, Manual Focus, AF Frame Face AiAF, Center, Tracking AF |
| exposure features |
| Spot Meter | Yes | Yes |
| Exposure Compensation | +/- 2EV in 1/3 EV increments | - |
| shutter features |
| Shutter Speed | 15 - 1/2500 sec dependent on shooting mode | - |
| Self-timer | Yes | Yes |
| Continuous Shots | Continuous 2.2 fps, no frame limit | 5.9 Shots/sec |
| flash features |
| Flash Modes | Auto, Forced on, Forced off, Red-eye reduction, Flash exposure lock, Slow synchro | Auto, On, Slow Synchro, Off |
| Built-in Flash | - | Yes |
| image features |
| Image Format | JPEG Exif 2.2, DCF, DPOF | - |
| Image Sizing | 3072 x 2304, 3072 x 1728, 2592 x 1944, 2048 x 1536, 1600 x 1200, 640 x 480 | - |
| Image Processor | DIGIC III with iSAPS technology | - |
| Maximum Resolution | - | 5184 x 3888 |
| Image Stabilizer | - | Yes |
| display features |
| Display Type | TFT | - |
| Display Size | 2.5 inch | 3 inch |
| Display Resolution | 115,000 pixels | - |
| LCD Display | Quick Bright LCD, Night Display | - |
| LCD Display Image Resolution | 115000 pixels | 461000 dots |
| LCD Display Video Resolution | - | 1920 x 1080 |
| Other Display Features | - | Wide Viewing Angle |
| connectivity features |
| USB | Yes | - |
| Wifi | - | Yes |
| Wireless Connectivity | - | Yes |
| storage and power features |
| Inbuilt Memory | 32 MB | - |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, MMC, MMCplus compatible | - |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | Lithium ion |
| Power Supply | - | Battery Pack NB-6LH |
| Battery Life | - | 205 h |
| audio and video features |
| Video Resolution | 1280 x 720 | - |
| Video Format | AVI Motion JPEG WAVE | - |
| Frame Rates in Video Modes | 30fps | - |
| modes and functions features |
| Shooting Modes | Auto, Manual, Super macro, Color accent, Color swap, Stitch assist, Special scene, Movie | M, AV, TV, P, Live View Control, Hybrid Auto, Auto, Creative Shot, Sports, SCN, Movie Standard, Short Clip, iFrame Movie |
| Scene Modes | Portrait, Night Snapshot, Indoor, Foliage, Snow, Beach, Aquarium | Portrait, Smart Shutter Smile, Wink Self-timer, Face Self-timer, Handheld Night Scene, Low Light, Fish-eye Effect, Miniature Effect, Toy Camera Effect, Soft Focus, Monochrome, Super Vivid, Poster Effect, Fireworks |
| Macro Mode | 3.9 in.-1.6 ft./10-50cm WIDE | - |