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Core i9-10900X vs i9-10980XE


Description
Both models i9-10900X and i9-10980XE are based on Cascade Lake architecture.

Cascade Lake is a architecture focused on high-end CPUs that uses the 14nm process. There are i9 and Xeon models using 4 different cores: Cascade Lake-SP and Cascade Lake-AP for servers, Cascade Lake-W for workstations and Cascade Lake-X for home high-end Pcs.

Using the multithread performance as a reference, the i9-10900X gets a score of 632.4 k points while the i9-10980XE gets 1241.1 k points.

Summarizing, the i9-10980XE is 2 times faster than the i9-10900X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
50657
50657
Core
Cascade Lake-X
Cascade Lake-X
Architecture
Base frecuency
3.7 GHz
3 GHz
Boost frecuency
4.7 GHz
4.8 GHz
Socket
LGA 2066
LGA 2066
Cores/Threads
10/20
18/36
TDP
165 W
165 W
Cache L1 (d+i)
10x32+10x32 kB
18x32+18x32 kB
Cache L2
10x1024 kB
18x1024 kB
Cache L3
19712 kB
25344 kB
Date
November 2019
November 2019
Mean monothread perf.
62.28k points
68.33k points
Mean multithread perf.
632.35k 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
i9-10900X
i9-10980XE
Test#1 (Integers)
25.97k
29.53k (x1.14)
Test#2 (FP)
22.37k
22.59k (x1.01)
Test#3 (Generic, ZIP)
5.3k
5.99k (x1.13)
Test#1 (Memory)
8.63k
10.22k (x1.18)
TOTAL
62.28k
68.33k (x1.1)

Multithread

i9-10900X

i9-10980XE
Test#1 (Integers)
281.98k
587.06k (x2.08)
Test#2 (FP)
259.01k
496.41k (x1.92)
Test#3 (Generic, ZIP)
64.87k
134.66k (x2.08)
Test#1 (Memory)
26.5k
22.99k (x0.87)
TOTAL
632.35k
1241.12k (x1.96)

Performance/W
i9-10900X
i9-10980XE
Test#1 (Integers)
1709 points/W
3558 points/W
Test#2 (FP)
1570 points/W
3009 points/W
Test#3 (Generic, ZIP)
393 points/W
816 points/W
Test#1 (Memory)
161 points/W
139 points/W
TOTAL
3832 points/W
7522 points/W

Performance/GHz
i9-10900X
i9-10980XE
Test#1 (Integers)
5526 points/GHz
6153 points/GHz
Test#2 (FP)
4760 points/GHz
4707 points/GHz
Test#3 (Generic, ZIP)
1128 points/GHz
1248 points/GHz
Test#1 (Memory)
1835 points/GHz
2129 points/GHz
TOTAL
13250 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