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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 494.4 k points while the i9-10980XE gets 1241.1 k points.

Summarizing, the i9-10980XE is 2.5 times faster than the i7-9700K. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ed
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.
81.96k points
68.33k points
Mean multithread perf.
494.38k points
1241.12k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i7-9700K
i9-10980XE
Test#1 (Integers)
4.97k
4.52k (x0.91)
Test#2 (FP)
17.98k
17.94k (x1)
Test#3 (Generic, ZIP)
5.89k
5.5k (x0.93)
Test#1 (Memory)
14.49k
9.64k (x0.67)
TOTAL
43.32k
37.6k (x0.87)

Multithread

i7-9700K

i9-10980XE
Test#1 (Integers)
37.81k
84.93k (x2.25)
Test#2 (FP)
138.05k
409.55k (x2.97)
Test#3 (Generic, ZIP)
41.78k
122.88k (x2.94)
Test#1 (Memory)
7.13k
22.12k (x3.1)
TOTAL
224.77k
639.48k (x2.85)

SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
i7-9700K
i9-10980XE
Test#1 (Integers)
17.94k
16.03k (x0.89)
Test#2 (FP)
25.66k
23.95k (x0.93)
Test#3 (Generic, ZIP)
6.46k
6.03k (x0.93)
Test#1 (Memory)
14.52k
9.37k (x0.65)
TOTAL
64.58k
55.38k (x0.86)

Multithread

i7-9700K

i9-10980XE
Test#1 (Integers)
136.23k
316.11k (x2.32)
Test#2 (FP)
191.58k
503.75k (x2.63)
Test#3 (Generic, ZIP)
44.51k
131.82k (x2.96)
Test#1 (Memory)
7.25k
22.24k (x3.07)
TOTAL
379.56k
973.92k (x2.57)

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i7-9700K
i9-10980XE
Test#1 (Integers)
17.43k
16.4k (x0.94)
Test#2 (FP)
26.9k
20.97k (x0.78)
Test#3 (Generic, ZIP)
6.24k
5.82k (x0.93)
Test#1 (Memory)
14.12k
8.86k (x0.63)
TOTAL
64.69k
52.05k (x0.8)

Multithread

i7-9700K

i9-10980XE
Test#1 (Integers)
134.6k
316.84k (x2.35)
Test#2 (FP)
191.15k
461.09k (x2.41)
Test#3 (Generic, ZIP)
42.84k
129.82k (x3.03)
Test#1 (Memory)
7.25k
22.09k (x3.05)
TOTAL
375.84k
929.85k (x2.47)

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)
32.45k
29.53k (x0.91)
Test#2 (FP)
28.3k
22.59k (x0.8)
Test#3 (Generic, ZIP)
6.27k
5.99k (x0.95)
Test#1 (Memory)
14.93k
10.22k (x0.68)
TOTAL
81.96k
68.33k (x0.83)

Multithread

i7-9700K

i9-10980XE
Test#1 (Integers)
244.31k
587.06k (x2.4)
Test#2 (FP)
199.72k
496.41k (x2.49)
Test#3 (Generic, ZIP)
43.15k
134.66k (x3.12)
Test#1 (Memory)
7.2k
22.99k (x3.19)
TOTAL
494.38k
1241.12k (x2.51)

Performance/W
i7-9700K
i9-10980XE
Test#1 (Integers)
2572 points/W
3558 points/W
Test#2 (FP)
2102 points/W
3009 points/W
Test#3 (Generic, ZIP)
454 points/W
816 points/W
Test#1 (Memory)
76 points/W
139 points/W
TOTAL
5204 points/W
7522 points/W

Performance/GHz
i7-9700K
i9-10980XE
Test#1 (Integers)
6623 points/GHz
6153 points/GHz
Test#2 (FP)
5776 points/GHz
4707 points/GHz
Test#3 (Generic, ZIP)
1281 points/GHz
1248 points/GHz
Test#1 (Memory)
3047 points/GHz
2129 points/GHz
TOTAL
16726 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