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Core i9-10940X vs i7-9700K


Description
The i9-10940X is based on Cascade Lake architecture while the i7-9700K is based on Coffee Lake.

Using the multithread performance as a reference, the i9-10940X gets a score of 1088.1 k points while the i7-9700K gets 460 k points.

Summarizing, the i9-10940X is 2.4 times faster than the i7-9700K. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
50657
906ec
Core
Cascade Lake-X
Coffee Lake-S
Architecture
Base frecuency
3.3 GHz
3.6 GHz
Boost frecuency
4.8 GHz
4.9 GHz
Socket
LGA 2066
LGA 1151
Cores/Threads
14/28
8/8
TDP
165 W
95 W
Cache L1 (d+i)
14x32+14x32 kB
8x32+8x32 kB
Cache L2
14x1024 kB
8x256 kB
Cache L3
19712 kB
12288 kB
Date
November 2019
October 2018
Mean monothread perf.
72.04k points
73.62k points
Mean multithread perf.
1088.11k points
460.02k 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
i9-10940X
i7-9700K
Test#1 (Integers)
29.75k
29.3k (x0.99)
Test#2 (FP)
27.44k
25.61k (x0.93)
Test#3 (Generic, ZIP)
5.81k
5.86k (x1.01)
Test#1 (Memory)
9.05k
12.86k (x1.42)
TOTAL
72.04k
73.62k (x1.02)

Multithread

i9-10940X

i7-9700K
Test#1 (Integers)
485.37k
217.77k (x0.45)
Test#2 (FP)
472.7k
190.46k (x0.4)
Test#3 (Generic, ZIP)
113.09k
40.48k (x0.36)
Test#1 (Memory)
16.95k
11.31k (x0.67)
TOTAL
1088.11k
460.02k (x0.42)

Performance/W
i9-10940X
i7-9700K
Test#1 (Integers)
2942 points/W
2292 points/W
Test#2 (FP)
2865 points/W
2005 points/W
Test#3 (Generic, ZIP)
685 points/W
426 points/W
Test#1 (Memory)
103 points/W
119 points/W
TOTAL
6595 points/W
4842 points/W

Performance/GHz
i9-10940X
i7-9700K
Test#1 (Integers)
6197 points/GHz
5981 points/GHz
Test#2 (FP)
5717 points/GHz
5226 points/GHz
Test#3 (Generic, ZIP)
1210 points/GHz
1195 points/GHz
Test#1 (Memory)
1885 points/GHz
2624 points/GHz
TOTAL
15009 points/GHz
15025 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