Xeon E5-2651 v2 vs E5-2620
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the E5-2620 is based on Sandy Bridge.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the E5-2620 gets 224.7 k points.
Summarizing, the E5-2651 v2 is 1.9 times faster than the E5-2620. 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 gets 224.7 k points.
Summarizing, the E5-2651 v2 is 1.9 times faster than the E5-2620. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
206d7
Core
Ivy Bridge-EP
Sandy Bridge-EP
Base frecuency
1.8 GHz
2 GHz
Boost frecuency
2.2 GHz
2.5 GHz
Socket
LGA 2011
LGA 2011
Cores/Threads
12/24
6/12
TDP
W
95 W
Cache L1 (d+i)
12x32+12x32 kB
6x32+6x32 kB
Cache L2
12x256 kB
6x256 kB
Cache L3
30720 kB
15360 kB
Date
October 2013
March 2012
Mean monothread perf.
17.75k points
18.8k points
Mean multithread perf.
426.18k points
224.7k points
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
Test#1 (Integers)
6.69k
6.95k (x1.04)
Test#2 (FP)
6.35k
6.24k (x0.98)
Test#3 (Generic, ZIP)
2.54k
3.05k (x1.2)
Test#1 (Memory)
2.17k
2.56k (x1.18)
TOTAL
17.75k
18.8k (x1.06)
Multithread
E5-2651 v2
E5-2620
Test#1 (Integers)
165.17k
90.01k (x0.54)
Test#2 (FP)
176.85k
82.43k (x0.47)
Test#3 (Generic, ZIP)
73.91k
42.59k (x0.58)
Test#1 (Memory)
10.25k
9.66k (x0.94)
TOTAL
426.18k
224.7k (x0.53)
Performance/W
E5-2651 v2
E5-2620
Test#1 (Integers)