The Olympus E-M5 II features 16.1 sensor Live MOS Sensor that can generate 40MP images and on the other hand the Sony A7000 features a APS-C Sensor with high-density AF points, take a look at the Major Specification…
also keep in mind that both are rumored specification camera
Olympus OM-D E-M5 II vs. Sony A7000 Specification Comparison Table.
Megapixel: The Olympus OM-D E-M5 II features more resolution compared to Sony A7000, the Olympus E-M5 can generate 40 Megapixel images by sensor-shift technology, but you need a tripod to get 40MP images.
Bigger Sensor Size: Sony A7000 have bit bigger sensor size compared to Olympus OM-D E-M5 II, bigger sensors have more light gathering area hence you get better low-light performance, more color depth and increased dynamic range.
Image Stabilization: The Olympus features 5-axis image-stabilization mechanism reduces the effects of camera motion and image blur, the IS system is effective on five different kinds of movement: horizontal shift, vertical shift, rotary motion, as well as the yaw and pitch.
AF System: The Sony A7000 uses phase + contrast based system (Hybrid AF system), a total number of 256+125 AF points is utilized while acquiring AF, on the Olympus OM-D E-M5 II have contrast AF system with 35 number of AF points.
Better Shutter Range: Olympus OM-D E-M5 II features better shutter range of 60 – 1/4000 in order to clearly record and freeze even the fastest movements into an ultra-sharp image. Fast shutter range will help you to capture amazing action shots; on the other hand Sony A7000 shutter range is limited to 30- 1/4000 only.
Top Continuous shooting speed: Sony A7000 features fast shooting speed (11fps vs. 9fps) compared to Olympus OM-D E-M5 II.
Display: Sony A7000 features bigger and high resolution display compared to Olympus OM-D E-M5 II.
Sony A7000 features 3″ screen with touch screen on the other hand Canon EOS 7D Mark II have 3″ screen tilting display, so we get more flexibility while composing our shot with Sony A7000.
Early Verdict: Sony A7000 core specification is un-beatable, the Sony A7000 features more ISO range and its AF system is more advance compared to the E-M5 II camera.
However the specification comparison is based on rumored specification if both the camera and its not final yet, the page will be updated time to time.