Test Specs & Memory Performance

Intel LGA2011 Test System Specs
- Intel Core i7-3960X Extreme Edition (3.30GHz)
- x4 2GB G.Skill DDR3 PC3-14900 (CAS 8-9-8-24)
- Asrock X79 Extreme4 (Intel X79)
- OCZ ZX Series 1250w
- Crucial m4 256GB (SATA 6Gb/s)
- Gigabyte GeForce GTX 580 SOC (1536MB)
Software
- Microsoft Windows 7 Ultimate SP1 64-bit
- Nvidia Forceware 296.10

AMD AM3+ Test System Specs
- AMD FX-8150 (3.60GHz)
- x2 4GB G.Skill DDR3 PC3-14900 (CAS 8-9-8-24)
- Asrock 990FX Extreme4 (AMD 990FX)
- OCZ ZX Series 1250w
- Crucial m4 256GB (SATA 6Gb/s)
- Gigabyte GeForce GTX 580 SOC (1536MB)
Software
- Microsoft Windows 7 Ultimate SP1 64-bit
- Nvidia Forceware 296.10

Intel LGA1155 Test System Specs
- Intel Core i7-2600K
- x2 4GB G.Skill DDR3 PC3-14900 (CAS 8-9-8-24)
- Asrock Z77 Extreme6
- ECS Z77H2-AX
-Gigabyte Z77X-UD5H-WB
- Intel DZ77GA-70K
- Asrock Z68 Extreme7 (Intel Z68)
- OCZ ZX Series 1250w
- Crucial m4 256GB (SATA 6Gb/s)
- Gigabyte GeForce GTX 580 SOC (1536MB)
Software
- Microsoft Windows 7 Ultimate SP1 64-bit
- Nvidia Forceware 296.10

The Gigabyte Z77X-UD5H-WB was fastest in AIDA64's read memory bandwidth test, beating the Asrock Z77 Extreme6 by a couple hundred megabytes per second, while the Extreme6 provided slightly better write performance. The Intel DZ77GA-70K was slower than both, but still managed to outpace the ECS Z77H2-AX in read performance, while ECS had a considerable edge in writes.

The Gigabyte Z77X-UD5H-WB beat Asrock's board again when measuring read performance, but was slightly slower when comparing writes. The Intel DZ77GA-70K was slower than both the Asrock and Gigabyte boards, while the ECS Z77H2-AX was even slower.