16gb
Intel Core i7-5500U testing with a HP 2216 and Intel Broadwell-U 1024MB on Ubuntu 14.04 via the Phoronix Test Suite.


16gb: 

	Processor: Intel Core i7-5500U @ 2.40GHz (4 Cores), Motherboard: HP 2216, Chipset: Intel Broadwell-U-OPI, Memory: 16384MB, Disk: 256GB SanDisk SD6PP4M-, Graphics: Intel Broadwell-U 1024MB, Audio: Intel Broadwell HDMI, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 14.04, Kernel: 3.13.0-38-generic (x86_64), Desktop: Unity 7.2.4, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.3, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080


RAMspeed SMP 3.5.0
Integer Add
MB/s > Higher Is Better
16gb . 11439.34 |==============================================================


RAMspeed SMP 3.5.0
Integer Copy
MB/s > Higher Is Better
16gb . 12095.18 |==============================================================


RAMspeed SMP 3.5.0
Integer Scale
MB/s > Higher Is Better
16gb . 12260.68 |==============================================================


RAMspeed SMP 3.5.0
Floating-Point Add
MB/s > Higher Is Better
16gb . 13813.57 |==============================================================


Stream 2013-01-17
Add
MB/s > Higher Is Better
16gb . 13980.71 |==============================================================


Stream 2013-01-17
Copy
MB/s > Higher Is Better
16gb . 12949.87 |==============================================================


Stream 2013-01-17
Scale
MB/s > Higher Is Better
16gb . 12964.00 |==============================================================


CacheBench
Read Cache
MB/s > Higher Is Better
16gb . 2527.98 |===============================================================


CacheBench
Write Cache
MB/s > Higher Is Better
16gb . 20303.83 |==============================================================