Xeon E5-2651 v2 vs E5-2620 v4
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the E5-2620 v4 is based on Broadwell.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the E5-2620 v4 gets 147.8 k points.
Summarizing, the E5-2651 v2 is 2.9 times faster than the E5-2620 v4. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the E5-2620 v4 gets 147.8 k points.
Summarizing, the E5-2651 v2 is 2.9 times faster than the E5-2620 v4. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
406f1
Core
Ivy Bridge-EP
Broadwell-EP
Base frecuency
1.8 GHz
2.1 GHz
Boost frecuency
2.2 GHz
3 GHz
Socket
LGA 2011
Socket 2011-3
Cores/Threads
12/24
8/16
TDP
W
85 W
Cache L1 (d+i)
12x32+12x32 kB
8x32+8x32 kB
Cache L2
12x256 kB
8x256 kB
Cache L3
30720 kB
20480 kB
Date
October 2013
March 2016
Mean monothread perf.
17.75k points
29.39k points
Mean multithread perf.
426.18k points
237.83k 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
E5-2651 v2
E5-2620 v4
Test#1 (Integers)
6.75k
8.22k (x1.22)
Test#2 (FP)
6.05k
12.06k (x1.99)
Test#3 (Generic, ZIP)
2.61k
4.01k (x1.54)
Test#1 (Memory)
2.26k
2.89k (x1.28)
TOTAL
17.68k
27.18k (x1.54)
Multithread
E5-2651 v2
E5-2620 v4
Test#1 (Integers)
168.18k
61.34k (x0.36)
Test#2 (FP)
159.6k
90.21k (x0.57)
Test#3 (Generic, ZIP)
77.04k
26.2k (x0.34)
Test#1 (Memory)
10.19k
4.62k (x0.45)
TOTAL
415.01k
182.37k (x0.44)
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
E5-2651 v2
E5-2620 v4
Test#1 (Integers)
6.69k
6.04k (x0.9)
Test#2 (FP)
6.35k
10.18k (x1.6)
Test#3 (Generic, ZIP)
2.54k
2.74k (x1.08)
Test#1 (Memory)
2.17k
2.41k (x1.11)
TOTAL
17.75k
21.37k (x1.2)
Multithread
E5-2651 v2
E5-2620 v4
Test#1 (Integers)
165.17k
47.51k (x0.29)
Test#2 (FP)
176.85k
75.12k (x0.42)
Test#3 (Generic, ZIP)
73.91k
19.72k (x0.27)
Test#1 (Memory)
10.25k
5.45k (x0.53)
TOTAL
426.18k
147.8k (x0.35)
Performance/W
E5-2651 v2
E5-2620 v4
Test#1 (Integers)