Xeon E5-2670 v3 vs E5-2651 v2
Description
The E5-2670 v3 is based on Haswell architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the E5-2670 v3 gets a score of 338.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 1.3 times faster than the E5-2670 v3. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the E5-2670 v3 gets a score of 338.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 1.3 times faster than the E5-2670 v3. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306f2
306e4
Core
Haswell-EP
Ivy Bridge-EP
Base frecuency
2.3 GHz
1.8 GHz
Boost frecuency
3.1 GHz
2.2 GHz
Socket
LGA 2011-3
LGA 2011
Cores/Threads
12/24
12/24
TDP
120 W
W
Cache L1 (d+i)
12x32+12x32 kB
12x32+12x32 kB
Cache L2
12x256 kB
12x256 kB
Cache L3
30720 kB
30720 kB
Date
September 2014
October 2013
Mean monothread perf.
36.41k points
17.75k points
Mean multithread perf.
452.9k 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
E5-2670 v3
E5-2651 v2
Test#1 (Integers)
11.08k
6.75k (x0.61)
Test#2 (FP)
9.57k
6.05k (x0.63)
Test#3 (Generic, ZIP)
3.18k
2.61k (x0.82)
Test#1 (Memory)
3.28k
2.26k (x0.69)
TOTAL
27.11k
17.68k (x0.65)
Multithread
E5-2670 v3
E5-2651 v2
Test#1 (Integers)
139.07k
168.18k (x1.21)
Test#2 (FP)
133.47k
159.6k (x1.2)
Test#3 (Generic, ZIP)
46.6k
77.04k (x1.65)
Test#1 (Memory)
6.65k
10.19k (x1.53)
TOTAL
325.78k
415.01k (x1.27)
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
E5-2670 v3
E5-2651 v2
Test#1 (Integers)
11.18k
6.69k (x0.6)
Test#2 (FP)
10.06k
6.35k (x0.63)
Test#3 (Generic, ZIP)
3.21k
2.54k (x0.79)
Test#1 (Memory)
3.12k
2.17k (x0.7)
TOTAL
27.57k
17.75k (x0.64)
Multithread
E5-2670 v3
E5-2651 v2
Test#1 (Integers)
140.98k
165.17k (x1.17)
Test#2 (FP)
145.37k
176.85k (x1.22)
Test#3 (Generic, ZIP)
45.62k
73.91k (x1.62)
Test#1 (Memory)
6.75k
10.25k (x1.52)
TOTAL
338.73k
426.18k (x1.26)
Performance/W
E5-2670 v3
E5-2651 v2
Test#1 (Integers)
1175 points/W