According to SamMobile, the Project J initiative is not just one device. Actually, the Project J is built around three devices. The first one is well known for now and that is the Galaxy S IV. The other two devices are yet unknown, but it seems they also got revealed.
Project J Mini is the second device by Samsung, and it could be the Galaxy S IV mini. Codenamed Serrano, the device does not support wireless charging dock like Galaxy S IV, but it comes with the same accessories.
The third device is named Project J Active, codenamed Fortius. According to device's accessories, this could be Samsung's answer to Apple's rumoured iWatch. It comes with Arm Band, a Bike Mount and a Pouch. SamMobile said that Project J Active is not final decided, but the Altius and Serrano are.
Along with latest rumours, Samsung's flagship smartphone made its way to GLBenchmark database. According to benchmark, the Korean variant of the Galaxy S IV (SHV-E300S) features a Full HD display with 1920 x 1080 pixels resolution with no on-screen navigation bar. The intriguing things are the GPU and CPU, which are not Exynos Octa 5. The smartphone packs a Qualcomm MSM8960 processor clocked at 1.90 GHz (384 - 1890 MHz) and an Adreno 320 graphics.