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Core i7-10700 vs i9-10900X


Description
The i7-10700 is based on Comet Lake architecture while the i9-10900X is based on Cascade Lake.

Using the multithread performance as a reference, the i7-10700 gets a score of 537.7 k points while the i9-10900X gets 632.4 k points.

Summarizing, the i9-10900X is 1.2 times faster than the i7-10700. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0655
50657
Core
Comet Lake-S
Cascade Lake-X
Architecture
Base frecuency
2.9 GHz
3.7 GHz
Boost frecuency
4.8 GHz
4.7 GHz
Socket
LGA 1200
LGA 2066
Cores/Threads
8/16
10/20
TDP
65 W
165 W
Cache L1 (d+i)
8x32+8x32 kB
10x32+10x32 kB
Cache L2
8x256 kB
10x1024 kB
Cache L3
16386 kB
19712 kB
Date
April 2020
November 2019
Mean monothread perf.
74.53k points
62.28k points
Mean multithread perf.
537.73k points
632.35k 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
i7-10700
i9-10900X
Test#1 (Integers)
30.66k
25.97k (x0.85)
Test#2 (FP)
25.64k
22.37k (x0.87)
Test#3 (Generic, ZIP)
5.98k
5.3k (x0.89)
Test#1 (Memory)
12.25k
8.63k (x0.7)
TOTAL
74.53k
62.28k (x0.84)

Multithread

i7-10700

i9-10900X
Test#1 (Integers)
240.28k
281.98k (x1.17)
Test#2 (FP)
234.3k
259.01k (x1.11)
Test#3 (Generic, ZIP)
56.12k
64.87k (x1.16)
Test#1 (Memory)
7.02k
26.5k (x3.77)
TOTAL
537.73k
632.35k (x1.18)

Performance/W
i7-10700
i9-10900X
Test#1 (Integers)
3697 points/W
1709 points/W
Test#2 (FP)
3605 points/W
1570 points/W
Test#3 (Generic, ZIP)
863 points/W
393 points/W
Test#1 (Memory)
108 points/W
161 points/W
TOTAL
8273 points/W
3832 points/W

Performance/GHz
i7-10700
i9-10900X
Test#1 (Integers)
6388 points/GHz
5526 points/GHz
Test#2 (FP)
5341 points/GHz
4760 points/GHz
Test#3 (Generic, ZIP)
1245 points/GHz
1128 points/GHz
Test#1 (Memory)
2553 points/GHz
1835 points/GHz
TOTAL
15527 points/GHz
13250 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