Why I do not see a difference? i oc with TRIXX

[ PCI Express x16: ATI Radeon X800 GT PCI-E (R423) ]

Graphics Processor Properties:
Video Adapter ATI Radeon X800 GT PCI-E (R423)
GPU Code Name R423
PCI Device 1002-554B / 174B-0302
Transistors 160 million
Process Technology 0.13 um
Bus Type PCI Express x16 @ x16
Memory Size 128 MB
GPU Clock 601 MHz (original: 475 MHz, overclock: 27%)
RAMDAC Clock 400 MHz
Pixel Pipelines 8
TMU Per Pipeline 1
Vertex Shaders 6 (v2.0)
Pixel Shaders 8 (v2.0)
DirectX Hardware Support DirectX v9.0
Pixel Fillrate 4808 MPixel/s
Texel Fillrate 4808 MTexel/s

Memory Bus Properties:
Bus Type DDR
Bus Width 256-bit
Real Clock 400 MHz (DDR) (original: 350 MHz, overclock:14%)
Effective Clock 800 MHz
Bandwidth 25.0 GB/s

Memory Timings:
CAS Latency (CL) 5T
RAS To CAS Delay (tRCD) 6T
RAS Precharge (tRP) 6T
RAS Active Time (tRAS) 10T
Row Refresh Cycle Time (tRFC) 19T
RAS To RAS Delay (tRRD) 4T
Write Recovery Time (tWR) 3T

 

Because most overclocking differences are only noticable in benchmarks that give you scores, unless the part thats overclocked is the bottleneck?