Overclocking Guru Chew
* relentlessly overclocks “Dragon Technology” with stock AMD Phenom II X4 955 processors on GIGABYTE GA-MA790FXT-UD5P, and recently published his results spanning air, phase, dry ice, and liquid nitrogen. He pushes DDR3 and the extraordinary north bridge of the 955 to the limit. The stock 955 has tremendous north bridge scaling potential and achieved overclocks at significantly lower voltages than prior processor models. The achievement was accomplished on GIGABYTE GA-MA790FX-UD5P and GA-MA790FXT-UD5P, featuring “Ultra Durable 3 Technology:” the industry’s first motherboard design with 2 ounces copper layers to tremendously enhance stability and performance for overclocking. Brian was able to break 3DMark06 records for dual Radeon HD 4850’s and 4890’s in the Dual Crossfire configuration supported by these two motherboards.

Result Summary

CPU and Motherboard:

  • AMD Phenom II 955 CPU | “Dragon” Technology
  • MA790FX-UD5P DDR2 Motherboard | Ultra Durable 3 Technology
  • MA790FXT-UDP5 DDR3 Motherboard | Ultra Durable 3 Technology

Overclocker: Brian Mclachlan |chew*
#2 3DMark06 23,883

Single ATI Radeon HD 4890 Class
#1 3DMark06 28,831BR

Dual ATI Radeon HD 4850 Class
#1 3DMark06 Score 32,281

Dual ATI Radeon HD 4890 Class

Results on DDR3

  • DDR3 5-5-5-15-20 At 1443 Mhz
  • DDR3 6-6-6-16-22 At 1636 Mhz

Results on Air

  • 4515 Mhz All Core Validation
  • 4070 Mhz Extreme Stability | CPU 1.50V

Results on Dry Ice

  • 5217 Mhz All Core Validation
  • 4717 Mhz Extreme Stability | CPU 1.60V

Results on Liquid Nitrogen

  • 6405 Mhz All Core Validation
  • 6283 Mhz Benchmark PI 1M (6283) 11.078 | DDR3 9-9-9 1700
  • 5751 Mhz Extreme Stablity | CPU 1.80V