Allwinner A33 vs Amlogic S805
Cortex A7 vs A5, vanilla compiler optimizations


A33: 

	Processor: ARMv7 rev 5 @ 1.20GHz (4 Cores), Motherboard: sun8i, Memory: 1024MB, Disk: 16GB SL16G

	OS: Ubuntu 16.04, Kernel: 3.4.113-sun8i (armv7l), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x2160

S805: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 60GB A + 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 5.4.1 20160904 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

S805 optimized: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 60GB A + 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 5.4.1 20160904 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

S805 gcc7: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 60GB A + 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 7.0.1 20170225 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024


C-Ray 1.1
Total Time
Seconds < Lower Is Better
A33 ............ 488.12 |======================================================
S805 ........... 283.35 |===============================
S805 optimized . 239.11 |==========================
S805 gcc7 ...... 235.65 |==========================