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Ryzen 7 2700X vs Ryzen 9 3950X


Description
The 2700X is based on Zen+ architecture while the 3950X is based on Zen 2.

Using the multithread performance as a reference, the 2700X gets a score of 433.2 k points while the 3950X gets 959.8 k points.

Summarizing, the 3950X is 2.2 times faster than the 2700X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
800f82
870f10
Core
Pinnacle Ridge
Matisse
Architecture
Base frecuency
3.7 GHz
3.5 GHz
Boost frecuency
4.3 GHz
4.7 GHz
Socket
AM4
AM4
Cores/Threads
8/16
16/32
TDP
105 W
105 W
Cache L1 (d+i)
8x64+8x32 kB
16x32+16x32 kB
Cache L2
8x512 kB
16x512 kB
Cache L3
16384 kB
4x16384 kB
Date
April 2018
November 2019
Mean monothread perf.
65.87k points
72.95k points
Mean multithread perf.
433.19k points
959.77k 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
2700X
3950X
Test#1 (Integers)
15.61k
16.49k (x1.06)
Test#2 (FP)
26.08k
26.16k (x1)
Test#3 (Generic, ZIP)
5.84k
7.9k (x1.35)
Test#1 (Memory)
18.34k
22.4k (x1.22)
TOTAL
65.87k
72.95k (x1.11)

Multithread

2700X

3950X
Test#1 (Integers)
123.33k
334.49k (x2.71)
Test#2 (FP)
240.46k
423.74k (x1.76)
Test#3 (Generic, ZIP)
61.23k
187.85k (x3.07)
Test#1 (Memory)
8.17k
13.69k (x1.68)
TOTAL
433.19k
959.77k (x2.22)

Performance/W
2700X
3950X
Test#1 (Integers)
1175 points/W
3186 points/W
Test#2 (FP)
2290 points/W
4036 points/W
Test#3 (Generic, ZIP)
583 points/W
1789 points/W
Test#1 (Memory)
78 points/W
130 points/W
TOTAL
4126 points/W
9141 points/W

Performance/GHz
2700X
3950X
Test#1 (Integers)
3631 points/GHz
3509 points/GHz
Test#2 (FP)
6065 points/GHz
5566 points/GHz
Test#3 (Generic, ZIP)
1357 points/GHz
1681 points/GHz
Test#1 (Memory)
4266 points/GHz
4765 points/GHz
TOTAL
15319 points/GHz
15522 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