Apple LLVM 5.0 (clang-500.2.79) - no opts Intel Core i5 testing with a iMac and AMD Radeon HD 6770M 512MB on OS X 10.8.5 via the Phoronix Test Suite. Intel Core i5: Processor: Intel Core i5 @ 2.70GHz (4 Cores), Motherboard: iMac, Chipset: Intel 6, Memory: 4 x 4096 MB DDR3-1333MHz, Disk: 1 TB WDC WD1001FALS-403AA0, Graphics: AMD Radeon HD 6770M 512MB, Monitor: iMac OS: OS X 10.8.5, Kernel: 12.5.0 (x86_64), Display Server: X Server 1.14.4, OpenGL: 2.1, Compiler: Apple LLVM 5.0 (clang-500.2.79) (based on LLVM 3.3svn) + GCC 4.2.1 + Xcode 5.0.1, File-System: Journaled HFS+, Screen Resolution: 2560x1440 GraphicsMagick 1.3.19 Operation: Sharpen Iterations Per Minute > Higher Is Better Intel Core i5 . 22 |=========================================================== GraphicsMagick 1.3.19 Operation: Resizing Iterations Per Minute > Higher Is Better Intel Core i5 . 63 |=========================================================== GraphicsMagick 1.3.19 Operation: HWB Color Space Iterations Per Minute > Higher Is Better Intel Core i5 . 84 |=========================================================== 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better Intel Core i5 . 6493 |========================================================= Timed PHP Compilation 5.2.9 Time To Compile Seconds < Lower Is Better Intel Core i5 . 64.17 |======================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better Intel Core i5 . 47.57 |======================================================== OpenSSL 1.0.1f RSA 4096-bit Performance Signs Per Second > Higher Is Better Intel Core i5 . 57.90 |========================================================