| key specs | 
| Camera Type | DSLR Camera | Digital Camera | 
| Effective Pixels | 42.4 MP | 28.2 MP | 
| Sensor Type | CMOS | CMOS | 
| Display Type | TFT | LED | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | Yes | Yes | 
| general | 
| Brand | Sony | Samsung | 
| Model | ILCE 7RM3 42.4MP DSLR Camera | NX500 28.2MP Digital Camera | 
| Model Name | ILCE 7RM3 | NX500 | 
| Model Number | ILCE 7RM3 | NX500 | 
| Series | Alpha | - | 
| Color | Black | Black | 
| Minimum Illumination | Yes with Built-in LED type | - | 
| Type | DSLR Camera | Digital Camera | 
| Effective Pixels | 42.4 MP | 28.2 MP | 
| Dimensions(WxHxD) | 126.9 x 95.6 x 73.7 mm | 4.72 x 1.69 x 2.52 inch | 
| Weight | 657 GM | - | 
| Face Detection | Yes | - | 
| Temperature | 0 to 40 | 0 to 40 | 
| Ports | Yes SuperSpeed USB USB 3.1 Gen 1 compatible | - | 
| Accessory Shoe | Auto-lock | - | 
| Wide Angle | - | Yes | 
| sensor features | 
| Sensor Type | CMOS | CMOS | 
| Sensor Size | 35.9 x 24 mm | 23.5 x 15.7 mm | 
| Maximum ISO | 32000 ISO | - | 
| Maximum FPS | 100 | - | 
| Sensor Technology | Exmor R CMOS sensor | BSI CMOS | 
| lens features | 
| Lens Mount | E-mount | Samsung NX Mount | 
| Digital Zoom | 4x | - | 
| Compatible Lens | Sony E-mount lenses | - | 
| Color Filter | - | Primary RGB Color Filter | 
| Dust Reduction | - | Yes | 
| viewfinder features | 
| View Finder | Yes | - | 
| View Finder Type | 1.3 cm 0.5-type electronic viewfinder colour, Quad-VGA OLED | - | 
| Viewfinder Coverage | 100% | - | 
| Viewfinder Magnification | approx. 0.78 x with 50 mm lens at infinity, -1 m-1 | - | 
| Viewpoint Dioptric Adjustment | -4.0 to +3.0m-1 | - | 
| Viewfinder Eye Point | 23 mm | - | 
| focus features | 
| Focus Mode | AF-A Automatic AF, AF-S Single-shot AF, AF-C Continuous AF, DMF Direct Manual Focus, Manual Focus | Active AF, Continuous AF, MF, Single AF | 
| Focus Range | EV-3 to EV20 ISO100 equivalent with F2.0 lens attached | - | 
| Auto Focus | Yes | - | 
| Focus Points | 35 mm full frame 399 points phase-detection AF, APS-C mode with full frame lens 323 points phase-detection AF, with APS-C lens 255 points phase-detection AF / 425 points contrast-detection AF | 205 Points Phase Detection AF, 209 Points Contrast AF | 
| Metering Modes | Multi-segment, Centre-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight | - | 
| White Balancing | Auto / Daylight / Shade / Cloudy / Incandescent / FluorescentWarm White / Cool White / Day White / Daylight/ Flash / Underwater/ Colour Temperature2500 to 9900K & colour filterG7 to M7 57-step, A7 to B7 29-step/ Custom | Auto, Cloudy, Custom, Daylight, Flash, Fluorescent W / N / D, K Manual, Tungsten, Auto+Tungsten | 
| exposure features | 
| Exposure Mode | AUTO iAuto, Programmed AE P, Aperture priority A, Shutter-speed priority S, Manual M, Movie Programmed AE P / Aperture priority A / Shutter-speed priority S / Manual M , Slow & Quick Motion Programmed AE P / Aperture priority A / Shutter-speed priority S / Manual M | - | 
| AE Lock/Exposure Lock | Yes | - | 
| Spot Meter | Yes | - | 
| Exposure Compensation | +/- 5.0EV 1/3 EV, 1/2 EV steps selectable, with exposure compensation dial +/- 3EV 1/3 EV steps | Still | 
| Manual Exposure | Yes | - | 
| Dynamic Range Adjustment | Yes | - | 
| shutter features | 
| Shutter Type | Electronically-controlled, vertical-traverse, focal-plane type | - | 
| Shutter Speed | Still images1/8000 to 30 seconds, Bulb, Movies 1/8000 to 1/4 1/3 steps up to 1/60 in AUTO mode up to 1/30 in Auto slow shutter mode | Auto 1/6000 - 1/4s, Manual 1/6000 - 30s, Bulb | 
| Self-timer | Yes | - | 
| Continuous Shots | Continuous shooting Hi+ max. 10 fps, Hi max. 8 fps, Mid max. 6fps, Lo max. 3 fps 5 | - | 
| flash features | 
| Built-in Flash | Yes | - | 
| External Flash | Yes | - | 
| Flash Modes | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction on/off selectable, Wireless4, Hi-speed sync.4 | - | 
| Flash Compensation | 3.0 EV switchable between 1/3 and 1/2 EV steps | - | 
| Other Flash Features | Sony α System Flash compatible with Multi Interface Shoe, attach the shoe adaptor for flash compatibility with the Auto-lock accessory shoe | - | 
| image features | 
| Image Format | JPEG DCF Ver. 2.0, Exif Ver.2.31, MPF Baseline compliant, RAW Sony ARW 2.3 format | - | 
| Aspect Ratio | 30200 AM | - | 
| Gross Pixel | 43.6 MP | - | 
| Image Stabilizer | Yes | Yes | 
| Image Sizing | 35 mm full-frame L 7952 x 5304 42M, M 5168 x 3448 18M, S 3984 x 2656 11M, APS-C L 5168 x 3448 18M, M 3984 x 2656 11M, S 2592 x 1728 4.5M | - | 
| Picture Angle | - | Flip Up 180A Degree & Tilt Up 90 Degree, Down 45 Degree | 
| display features | 
| Display Type | TFT | LED | 
| Display Size | 3 inch | 3 inch | 
| Display Resolution | 14,40,000 dots | 1036k Dots | 
| Touch Screen | Yes | Yes | 
| LCD Display | TFT | Super AMOLED | 
| LCD Display Image Resolution | 1440000 dots | 1036k Dots | 
| Other Display Features | Rule of 3rds Grid/Square Grid/Diag. + Square Grid/Off, Movie Marker, Centre/Aspect/Safety Zone/Guideframe, WhiteMagic Grid Line | - | 
| connectivity features | 
| USB | Yes | - | 
| Wifi | Yes | - | 
| Wireless Connectivity | Wi-Fi Compatible, IEEE 802.11b/g/n2.4GHz band, View on Smartphone Yes, Send to Computer Yes, View on TV 8 | - | 
| storage and power features | 
| Card Type | Memory Stick PRO Duo Memory Stick PRO-HG Duo Memory Stick Micro M2, SD memory card, SDHC memory card UHS-I/II compliant, SDXC memory card UHS-I/II compliant, microSD memory card, microSDHC memory card, microSDXC memory card | - | 
| Batteries Included | Yes | - | 
| Battery Type | Lithium ion | Lithium ion | 
| Battery Life | Approx. 530 shots Viewfinder / approx. 650 shots LCD monitor CIPA standard10 | - | 
| Number of Batteries | 1 | - | 
| audio and video features | 
| Microphone | Built-in stereo microphone or XLR-K2M/XLR-K1M/ECM-XYST1M sold separately | - | 
| Speaker | Built-in, monaural | - | 
| Audio Features | XAVC S LPCM 2ch, AVCHD Dolby Digital AC-3 2ch, Dolby Digital Stereo Creator | - | 
| Video Format | XAVC S, AVCHD format Ver. 2.0 compliant | - | 
| modes and functions features | 
| HD Support | Yes | - | 
| Silent Shooting | Yes ON/OFF | - | 
| Drive Modes | Single Shooting, Continuous shooting Hi+/Hi/Mid/Lo selectable, Self-timer, Self-timer Cont., Bracket Single, Bracket Cont., White Balance bracket, DRO bracket | - | 
| Macro Mode | Yes G7 to M7,57-stepA7 to B7,29-step | - |