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Core i7-9700K vs i9-10980XE


Description
The i7-9700K is based on Coffee Lake architecture while the i9-10980XE is based on Cascade Lake.

Using the multithread performance as a reference, the i7-9700K gets a score of 460 k points while the i9-10980XE gets 1241.1 k points.

Summarizing, the i9-10980XE is 2.7 times faster than the i7-9700K. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ec
50657
Core
Coffee Lake-S
Cascade Lake-X
Architecture
Base frecuency
3.6 GHz
3 GHz
Boost frecuency
4.9 GHz
4.8 GHz
Socket
LGA 1151
LGA 2066
Cores/Threads
8/8
18/36
TDP
95 W
165 W
Cache L1 (d+i)
8x32+8x32 kB
18x32+18x32 kB
Cache L2
8x256 kB
18x1024 kB
Cache L3
12288 kB
25344 kB
Date
October 2018
November 2019
Mean monothread perf.
73.62k points
68.33k points
Mean multithread perf.
460.02k points
1241.12k 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
i7-9700K
i9-10980XE
Test#1 (Integers)
29.3k
29.53k (x1.01)
Test#2 (FP)
25.61k
22.59k (x0.88)
Test#3 (Generic, ZIP)
5.86k
5.99k (x1.02)
Test#1 (Memory)
12.86k
10.22k (x0.79)
TOTAL
73.62k
68.33k (x0.93)

Multithread

i7-9700K

i9-10980XE
Test#1 (Integers)
217.77k
587.06k (x2.7)
Test#2 (FP)
190.46k
496.41k (x2.61)
Test#3 (Generic, ZIP)
40.48k
134.66k (x3.33)
Test#1 (Memory)
11.31k
22.99k (x2.03)
TOTAL
460.02k
1241.12k (x2.7)

Performance/W
i7-9700K
i9-10980XE
Test#1 (Integers)
2292 points/W
3558 points/W
Test#2 (FP)
2005 points/W
3009 points/W
Test#3 (Generic, ZIP)
426 points/W
816 points/W
Test#1 (Memory)
119 points/W
139 points/W
TOTAL
4842 points/W
7522 points/W

Performance/GHz
i7-9700K
i9-10980XE
Test#1 (Integers)
5981 points/GHz
6153 points/GHz
Test#2 (FP)
5226 points/GHz
4707 points/GHz
Test#3 (Generic, ZIP)
1195 points/GHz
1248 points/GHz
Test#1 (Memory)
2624 points/GHz
2129 points/GHz
TOTAL
15025 points/GHz
14236 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