Ryzen 9 3900X vs Xeon E5-2651 v2
Description
The 3900X is based on Zen 2 architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the 3900X gets a score of 695.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the 3900X is 1.6 times faster than the E5-2651 v2. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the 3900X gets a score of 695.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the 3900X is 1.6 times faster than the E5-2651 v2. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
870f10
306e4
Core
Matisse
Ivy Bridge-EP
Base frecuency
3.8 GHz
1.8 GHz
Boost frecuency
4.6 GHz
2.2 GHz
Socket
AM4
LGA 2011
Cores/Threads
12/24
12/24
TDP
105 W
W
Cache L1 (d+i)
12x32+12x32 kB
12x32+12x32 kB
Cache L2
12x512 kB
12x256 kB
Cache L3
4x16384 kB
30720 kB
Date
July 2019
October 2013
Mean monothread perf.
72.51k points
17.75k points
Mean multithread perf.
756.3k points
426.18k points
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
3900X
E5-2651 v2
Test#1 (Integers)
17.35k
6.75k (x0.39)
Test#2 (FP)
25.87k
6.05k (x0.23)
Test#3 (Generic, ZIP)
8.72k
2.61k (x0.3)
Test#1 (Memory)
27.86k
2.26k (x0.08)
TOTAL
79.8k
17.68k (x0.22)
Multithread
3900X
E5-2651 v2
Test#1 (Integers)
201.57k
168.18k (x0.83)
Test#2 (FP)
284.41k
159.6k (x0.56)
Test#3 (Generic, ZIP)
145.16k
77.04k (x0.53)
Test#1 (Memory)
100.56k
10.19k (x0.1)
TOTAL
731.7k
415.01k (x0.57)
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
3900X
E5-2651 v2
Test#1 (Integers)
16.95k
6.69k (x0.39)
Test#2 (FP)
25.37k
6.35k (x0.25)
Test#3 (Generic, ZIP)
9.23k
2.54k (x0.28)
Test#1 (Memory)
24.83k
2.17k (x0.09)
TOTAL
76.38k
17.75k (x0.23)
Multithread
3900X
E5-2651 v2
Test#1 (Integers)
196.31k
165.17k (x0.84)
Test#2 (FP)
290.5k
176.85k (x0.61)
Test#3 (Generic, ZIP)
143.95k
73.91k (x0.51)
Test#1 (Memory)
64.92k
10.25k (x0.16)
TOTAL
695.69k
426.18k (x0.61)
Performance/W
3900X
E5-2651 v2
Test#1 (Integers)
1870 points/W