Core i9-9900KF vs i7-7700K
Description
The i9-9900KF is based on Coffee Lake architecture while the i7-7700K is based on Kaby Lake.
Using the multithread performance as a reference, the i9-9900KF gets a score of 592.9 k points while the i7-7700K gets 289.8 k points.
Summarizing, the i9-9900KF is 2 times faster than the i7-7700K . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i9-9900KF gets a score of 592.9 k points while the i7-7700K gets 289.8 k points.
Summarizing, the i9-9900KF is 2 times faster than the i7-7700K . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
906ed
906e9
Core
Coffee Lake-S
Kaby Lake-S
Base frecuency
3.6 GHz
4.2 GHz
Boost frecuency
5 GHz
4.5 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
8/16
4/8
TDP
95 W
95 W
Cache L1 (d+i)
8x32+8x32 kB
32+32 kB
Cache L2
8x256 kB
256 kB
Cache L3
16386 kB
8192 kB
Date
January 2019
September 2016
Mean monothread perf.
84.54k points
76.9k points
Mean multithread perf.
592.86k points
289.82k 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
i9-9900KF
i7-7700K
Test#1 (Integers)
33.03k
30.44k (x0.92)
Test#2 (FP)
29.52k
26.91k (x0.91)
Test#3 (Generic, ZIP)
6.55k
6.25k (x0.95)
Test#1 (Memory)
15.45k
13.3k (x0.86)
TOTAL
84.54k
76.9k (x0.91)
Multithread
i9-9900KF
i7-7700K
Test#1 (Integers)
276.22k
127.73k (x0.46)
Test#2 (FP)
250.61k
123.68k (x0.49)
Test#3 (Generic, ZIP)
57.2k
29.34k (x0.51)
Test#1 (Memory)
8.84k
9.08k (x1.03)
TOTAL
592.86k
289.82k (x0.49)
Performance/W
i9-9900KF
i7-7700K
Test#1 (Integers)
2908 points/W
1345 points/W
Test#2 (FP)
2638 points/W
1302 points/W
Test#3 (Generic, ZIP)
602 points/W
309 points/W
Test#1 (Memory)
93 points/W
96 points/W
TOTAL
6241 points/W
3051 points/W
Performance/GHz
i9-9900KF
i7-7700K
Test#1 (Integers)
6605 points/GHz
6765 points/GHz
Test#2 (FP)
5904 points/GHz
5981 points/GHz
Test#3 (Generic, ZIP)
1309 points/GHz
1388 points/GHz
Test#1 (Memory)
3090 points/GHz
2955 points/GHz
TOTAL
16909 points/GHz
17089 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4