HP Probook 655 G1, difference between 8GB and 16GB RAM AMD A10-5750M APU testing with a HP 1992 and AMD Radeon HD 8650G 768MB on Debian testing via the Phoronix Test Suite. HP Probook 655 G1, 8GB RAM: Processor: AMD A10-5750M APU @ 2.50GHz (4 Cores), Motherboard: HP 1992, Chipset: AMD Family 15h, Memory: 7168MB, Disk: 256GB MTFDDAK256MAM-1K, Graphics: AMD Radeon HD 8650G 768MB, Audio: AMD Trinity HDMI Audio, Network: Realtek RTL8111/8168/8411 + Broadcom BCM43228 802.11a/b/g/n OS: Debian testing, Kernel: 3.13-1-amd64 (x86_64), Desktop: KDE 4.11.3, Display Server: X Server 1.15.0, Display Driver: radeon 7.3.0, OpenGL: 3.1 Mesa 9.2.2 Gallium 0.4, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 5446.91 |========================================= RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 4707.94 |========================================= RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 4605.23 |========================================= RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 5459.37 |========================================= Stream 2013-01-17 Add MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 5588.50 |========================================= Stream 2013-01-17 Copy MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 5024.74 |========================================= Stream 2013-01-17 Scale MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 4886.60 |========================================= CacheBench Read Cache MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 1083.18 |========================================= CacheBench Write Cache MB/s > Higher Is Better HP Probook 655 G1, 8GB RAM . 6400.25 |=========================================