Xeon E5-2620 v4 vs E5-2651 v2
Description
The E5-2620 v4 is based on Broadwell architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the E5-2620 v4 gets a score of 147.8 k points while the E5-2651 v2 gets 426.2 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 E5-2620 v4 gets a score of 147.8 k points while the E5-2651 v2 gets 426.2 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
406f1
306e4
Core
Broadwell-EP
Ivy Bridge-EP
Base frecuency
2.1 GHz
1.8 GHz
Boost frecuency
3 GHz
2.2 GHz
Socket
Socket 2011-3
LGA 2011
Cores/Threads
8/16
12/24
TDP
85 W
W
Cache L1 (d+i)
8x32+8x32 kB
12x32+12x32 kB
Cache L2
8x256 kB
12x256 kB
Cache L3
20480 kB
30720 kB
Date
March 2016
October 2013
Mean monothread perf.
29.39k points
17.75k points
Mean multithread perf.
237.83k 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
E5-2620 v4
E5-2651 v2
Test#1 (Integers)
8.22k
6.75k (x0.82)
Test#2 (FP)
12.06k
6.05k (x0.5)
Test#3 (Generic, ZIP)
4.01k
2.61k (x0.65)
Test#1 (Memory)
2.89k
2.26k (x0.78)
TOTAL
27.18k
17.68k (x0.65)
Multithread
E5-2620 v4
E5-2651 v2
Test#1 (Integers)
61.34k
168.18k (x2.74)
Test#2 (FP)
90.21k
159.6k (x1.77)
Test#3 (Generic, ZIP)
26.2k
77.04k (x2.94)
Test#1 (Memory)
4.62k
10.19k (x2.2)
TOTAL
182.37k
415.01k (x2.28)
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
E5-2620 v4
E5-2651 v2
Test#1 (Integers)
6.04k
6.69k (x1.11)
Test#2 (FP)
10.18k
6.35k (x0.62)
Test#3 (Generic, ZIP)
2.74k
2.54k (x0.93)
Test#1 (Memory)
2.41k
2.17k (x0.9)
TOTAL
21.37k
17.75k (x0.83)
Multithread
E5-2620 v4
E5-2651 v2
Test#1 (Integers)
47.51k
165.17k (x3.48)
Test#2 (FP)
75.12k
176.85k (x2.35)
Test#3 (Generic, ZIP)
19.72k
73.91k (x3.75)
Test#1 (Memory)
5.45k
10.25k (x1.88)
TOTAL
147.8k
426.18k (x2.88)
Performance/W
E5-2620 v4
E5-2651 v2
Test#1 (Integers)
559 points/W