me descargue esto Intel Processor Diagnostic Tool 64bit, para hacer un test y me dio estos resultados de la frecuencia del CPU, RARISIMO
..Measured frequency -- 3.98942
..Expected Frequency -- 4.00
esto es el texto de los resultados completo por si lo necesitas o te sirve para averiguar algo
--- Genuine Intel Test ---
...
Version 1.0.23.64b.W
...
Expected -- GenuineIntel
Detected -- GenuineIntel
Genuine Intel CPU Module Success
--- Brand String Test ---
...
Version 1.0.25.64b.W
...
IntelR CoreTM i7-4790K CPU 4.00GHz
Brand String Module Success....
--- Cache Test ---
...
Version 1.0.21.64b.W
...
--- Reading Cache Size ---
- Detected L1 Data Cache Size -- 32
- Detected L1 Inst Cache Size -- 32
- Detected L2 Cache Size -- 256
- Detected L3 Cache Size -- 8192
Cache Module Success
--- MMXSSE Test ---
...
Version 1.0.27.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
--- Determining MMX - SSE capabilities ---
..MMX is supported on this CPU..
..SSE is supported on this CPU..
..SSE2 is supported on this CPU..
..SSE3 is supported on this CPU..
..SSSE3 is supported on this CPU..
..SSE4.1 is supported on this CPU..
..SSE4.2 is supported on this CPU..
Testing MMX
Dot Product computed using C code 506
Dot Product computed using MMX intrinsics 506
MMX Dot Product Computation Test Passed
Passed MMX Test
Testing SSE
Dot Product computed using C code 506
Dot Product computed using SSE intrinsics 506
SSE Dot Product Computation Test Passed
Passed SSE Test
Testing SSE2
Complex Product computed using C code 23.00 -2.00i
Complex Product computed using SSE2 code 23.00 -2.00i
SSE2 Complex Product Computation Test Passed
Passed SSE2 Test
Testing SSE3
Complex Product using C code 23.00 -2.00i
Complex Product using SSE3 code 23.00 -2.00i
SSE3 Complex Product Computation Test Passed
Passed SSE3 Test
Testing SSSE3
SSSE3 Absolute Value Tests Passed
SSSE3 Arithmetic Tests Passed
SSSE3 Dot Product Test Passed
Passed SSSE3 Test
Testing SSE4.1
SSE4.1 Blend Tests Passed
SSE4.1 Min Max Tests Passed
SSE4.1 Insert Bit Tests Passed
SSE4.1 Extract Bit Tests Passed
SSE4.1 Bitwise Comparison Tests Passed
SSE4.1 Dot Product Test Passed
SSE4.1 Arithmetic Tests Passed
SSE4.1 Bit Conversion Tests Passed
SSE4.1 Bit Compare Test Passed
Passed SSE4.1 Test
Testing SSE4.2
SSE4.2 Bit Compare Test Passed
SSE4.2 Calculate Bit Set to 1 Test Passed
SSE4.2 CRC Test Passed
Passed SSE4.2 Test
MMXSSE Module Success
--- Integrated Memory Controller Test ---
...
Version 1.0.23.64b.W
...
--- Reading Memory Size ---
Detected Memory Size is -- 16.00GB
--- Subtest - Memory Size Test Passed ---
--- Integrated Memory Controller Stress Test ---
Memory to be allocated 1048576 bytes
Memory Allocated.
Test 1 Ones and Zeros Moving Inversions write operations - Passed
Test 1 Ones and Zeros Moving Inversions verification operations - Passed
Test 2 32Bits Sliding Ones write operations - Passed
Test 2 32Bits Sliding Ones verification operations - Passed
Test 3 32Bits Sliding Zero write operations - Passed
Test 3 32Bits Sliding Zero verification operations - Passed
Memory Deallocated.
--- Subtest - Memory Stress Test Passed ---
--- Integrated Memory Controller Test Passed ---
Parallel_PrimeNum
Version - 1.0.0.11
Parsing Parallel_PrimeNum.xml
Module GraphicsW.exe Disabled
Running Module Math_PrimeNum.exe -s 45 -resultName Math_PrimeNum_Parallel_PrimeNum_1_Results.txt
Module GraphicsW.exe Not Tested
--- Prime Number Generation Test ---
...
Version 1.0.26.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
AVX is supported in your OS
Max AVX supported AVX2
Ops Per Sec CycleRun Error Timesec
2206.5 1 0 2
2118.5 2 0 4
1326 3 0 7
1448.333 4 0 10
1037.5 5 0 14
1400.667 6 0 17
6755.333 7 0 20
6514.333 8 0 23
6726 9 0 26
9990 10 0 28
6647.333 11 0 31
6748.333 12 0 34
6843 13 0 37
10123 14 0 39
6762 15 0 42
30290 17 0 43
27865 19 0 44
43068 22 0 45
Operation Per Second -- 43068
Error -- 0
Prime Number Generation Test Passed
Module Math_PrimeNum.exe Completed - Pass
Result - Pass
Parallel_FP
Version - 1.0.0.11
Parsing Parallel_FP.xml
Module GraphicsW.exe Disabled
Running Module AVX.exe -s 45 -resultName AVX_Parallel_FP_1_Results.txt
Running Module Math_FP.exe -s 45 -resultName Math_FP_Parallel_FP_1_Results.txt
Module GraphicsW.exe Not Tested
--- Floating Point Test ---
...
Version 1.0.25.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
AVX is supported in your OS
Max AVX supported AVX2
FMA3 supported
MFLOPS CycleRun Error Timesec
0.39 6 0 1
0.325 11 0 2
0.455 18 0 3
0.455 25 0 4
0.455 32 0 5
0.455 39 0 6
0.585 48 0 7
0.455 55 0 8
0.325 60 0 9
0.455 67 0 10
0.39 73 0 11
0.455 80 0 12
0.455 87 0 13
0.39 93 0 14
0.39 99 0 15
0.455 106 0 16
0.455 113 0 17
0.455 120 0 18
0.455 127 0 19
0.65 137 0 20
0.39 143 0 21
0.455 150 0 22
0.39 156 0 23
0.455 163 0 24
0.39 169 0 25
0.845 182 0 26
0.455 189 0 27
0.455 196 0 28
0.39 202 0 29
0.455 209 0 30
0.39 215 0 31
0.455 222 0 32
0.65 232 0 33
0.39 238 0 34
0.455 245 0 35
0.455 252 0 36
0.455 259 0 37
0.455 266 0 38
0.585 275 0 39
0.455 282 0 40
0.39 288 0 41
0.39 294 0 42
0.455 301 0 43
0.39 307 0 44
0.39 313 0 45
Million Floating Points per Second MFLOPS -- 0.39
Error -- 0
Floating Point Test Passed
Module Math_FP.exe Completed - Pass
--- AVX Test ---
...
Version 2.0.28.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
--- CPU Features Detection ---
..AVX is supported by this CPU..
..AVX2 is supported by this CPU..
..AVX512BW is NOT supported by this CPU..
..AVX512CD is NOT supported by this CPU..
..AVX512DQ is NOT supported by this CPU..
..AVX512ER is NOT supported by this CPU..
..AVX512F is NOT supported by this CPU..
..AVX512IFMA52 is NOT supported by this CPU..
..AVX512PF is NOT supported by this CPU..
..AVX512VBMI is NOT supported by this CPU..
..AVX512VL is NOT supported by this CPU..
..AES is supported by this CPU..
..PCLMULQDQ is supported by this CPU..
..AVX is supported by this Operating System..
Most Advanced AVX Feature Detected.. AVX2
Testing Most Advanced AVX Feature - AVX2....
AVX2 Test Result --- PASS
Testing AES
AES Test Result --- PASS
Testing PCLMULQDQ
PCLMULQDQ Test Result --- PASS
AVX Module Success
Module AVX.exe Completed - Pass
Result - Pass
Parallel_Math
Version - 1.0.0.11
Parsing Parallel_Math.xml
Module GraphicsW.exe Disabled
Running Module FMA3.exe -s 45 -resultName FMA3_Parallel_Math_1_Results.txt
Running Module Math_PrimeNum.exe -s 45 -resultName Math_PrimeNum_Parallel_Math_1_Results.txt
Module GraphicsW.exe Not Tested
--- FMA3 Test ---
...
Version 1.0.26.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
--- CPU Features Detection ---
..FMA3 is supported by this CPU..
..FMA3 is supported by this Operating System..
Testing FMA3....
FMA3 Test Result --- PASS
FMA3 Module Success
Module FMA3.exe Completed - Pass
--- Prime Number Generation Test ---
...
Version 1.0.26.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
AVX is supported in your OS
Max AVX supported AVX2
Ops Per Sec CycleRun Error Timesec
2209.5 1 0 2
2153 2 0 4
1427.667 3 0 7
1396.333 4 0 10
1373.333 5 0 13
1393.667 6 0 16
6821.333 7 0 19
6851.333 8 0 22
6976.333 9 0 25
6874.667 10 0 28
10289 11 0 30
6529 12 0 33
6953 13 0 36
6480.667 14 0 39
6836.333 15 0 42
28935 17 0 43
27967 19 0 44
23968 21 0 45
Operation Per Second -- 23968
Error -- 0
Prime Number Generation Test Passed
Module Math_PrimeNum.exe Completed - Pass
Result - Pass
Parallel_GPUStressW
Version - 1.0.0.11
Parsing Parallel_GPUStressW.xml
Module GPUStressW.exe Disabled
Running Module Math_FP.exe -s 30 -resultName Math_FP_Parallel_GPUStressW_1_Results.txt
Running Module Math_PrimeNum.exe -s 30 -resultName Math_PrimeNum_Parallel_GPUStressW_1_Results.txt
Module GPUStressW.exe Not Tested
--- Floating Point Test ---
...
Version 1.0.25.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
AVX is supported in your OS
Max AVX supported AVX2
FMA3 supported
MFLOPS CycleRun Error Timesec
1.95 30 0 1
0.325 35 0 2
0.585 44 0 3
0.52 52 0 4
0.39 58 0 5
0.39 64 0 6
0.455 71 0 7
0.52 79 0 8
0.39 85 0 9
0.39 91 0 10
0.455 98 0 11
0.39 104 0 12
0.52 112 0 13
0.455 119 0 14
0.39 125 0 15
0.455 132 0 16
0.455 139 0 17
0.455 146 0 18
0.455 153 0 19
0.39 159 0 20
0.455 166 0 21
0.39 172 0 22
0.455 179 0 23
0.39 185 0 24
0.455 192 0 25
0.39 198 0 26
0.39 204 0 27
0.455 211 0 28
0.455 218 0 29
0.52 226 0 30
Million Floating Points per Second MFLOPS -- 0.52
Error -- 0
Floating Point Test Passed
Module Math_FP.exe Completed - Pass
--- Prime Number Generation Test ---
...
Version 1.0.26.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
AVX is supported in your OS
Max AVX supported AVX2
Ops Per Sec CycleRun Error Timesec
6920.667 1 0 3
6878 2 0 6
6720 3 0 9
6608.333 4 0 12
6630.667 5 0 15
6900.333 6 0 18
10122.5 7 0 20
6867 8 0 23
6584.333 9 0 26
14479 10 0 27
30070 12 0 28
44818 15 0 29
27606 17 0 30
Operation Per Second -- 27606
Error -- 0
Prime Number Generation Test Passed
Module Math_PrimeNum.exe Completed - Pass
Result - Pass
--- DGEMM Stress Test ---
...
Version 1.0.14.64b.W
...
..DetectUtils64 DLL Version - 1.1.6
--- CPU Features Detection ---
..AVX is supported by this Operating System..
Most Advanced AVX Feature Detected.. AVX2
maxMatrixSize 1024
minMatrixSize 512
Testing Most Advanced AVX Feature - AVX2....
DGEMM AVX2 Test Result --- PASS
DGEMM Module Success
--- Frequency Check ---
...
Version 1.0.5.64b.W
...
..........
..Measured frequency -- 3.98942
..Expected Frequency -- 4.00
..
FrequencyCheck Passed....