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Core i7-5960X vs i9-9900K


Description
The i7-5960X is based on Haswell architecture while the i9-9900K is based on Coffee Lake.

Using the multithread performance as a reference, the i7-5960X gets a score of 294.3 k points while the i9-9900K gets 529.3 k points.

Summarizing, the i9-9900K is 1.8 times faster than the i7-5960X . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306f2
906ed
Core
Haswell-E
Coffee Lake-S
Architecture
Base frecuency
3 GHz
3.6 GHz
Boost frecuency
3.5 GHz
5 GHz
Socket
LGA 1150
LGA 1151
Cores/Threads
8/16
8/16
TDP
140 W
95 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x256 kB
8x256 kB
Cache L3
20480 kB
16384 kB
Date
September 2014
October 2018
Mean monothread perf.
13.16k points
81.91k points
Mean multithread perf.
294.29k points
529.32k points

AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i7-5960X
i9-9900K
Test#1 (Integers)
6.6k
32.08k (x4.86)
Test#2 (FP)
3.8k
28.17k (x7.41)
Test#3 (Generic, ZIP)
1.41k
6.68k (x4.74)
Test#1 (Memory)
1.34k
14.98k (x11.15)
TOTAL
13.16k
81.91k (x6.23)

Multithread

i7-5960X

i9-9900K
Test#1 (Integers)
146.65k
242.98k (x1.66)
Test#2 (FP)
100.72k
220.16k (x2.19)
Test#3 (Generic, ZIP)
34.09k
53.97k (x1.58)
Test#1 (Memory)
12.83k
12.22k (x0.95)
TOTAL
294.29k
529.32k (x1.8)

Performance/W
i7-5960X
i9-9900K
Test#1 (Integers)
1047 points/W
2558 points/W
Test#2 (FP)
719 points/W
2317 points/W
Test#3 (Generic, ZIP)
243 points/W
568 points/W
Test#1 (Memory)
92 points/W
129 points/W
TOTAL
2102 points/W
5572 points/W

Performance/GHz
i7-5960X
i9-9900K
Test#1 (Integers)
1887 points/GHz
6417 points/GHz
Test#2 (FP)
1086 points/GHz
5634 points/GHz
Test#3 (Generic, ZIP)
403 points/GHz
1335 points/GHz
Test#1 (Memory)
384 points/GHz
2996 points/GHz
TOTAL
3759 points/GHz
16382 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4