Xeon E5-2651 v2 vs E5-2670 v3
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the E5-2670 v3 is based on Haswell.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the E5-2670 v3 gets 338.7 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 E5-2651 v2 gets a score of 426.2 k points while the E5-2670 v3 gets 338.7 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
306e4
306f2
Core
Ivy Bridge-EP
Haswell-EP
Base frecuency
1.8 GHz
2.3 GHz
Boost frecuency
2.2 GHz
3.1 GHz
Socket
LGA 2011
LGA 2011-3
Cores/Threads
12/24
12/24
TDP
W
120 W
Cache L1 (d+i)
12x32+12x32 kB
12x32+12x32 kB
Cache L2
12x256 kB
12x256 kB
Cache L3
30720 kB
30720 kB
Date
October 2013
September 2014
Mean monothread perf.
17.75k points
36.41k points
Mean multithread perf.
426.18k points
452.9k 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
E5-2670 v3
Test#1 (Integers)
6.75k
11.08k (x1.64)
Test#2 (FP)
6.05k
9.57k (x1.58)
Test#3 (Generic, ZIP)
2.61k
3.18k (x1.22)
Test#1 (Memory)
2.26k
3.28k (x1.45)
TOTAL
17.68k
27.11k (x1.53)
Multithread
E5-2651 v2
E5-2670 v3
Test#1 (Integers)
168.18k
139.07k (x0.83)
Test#2 (FP)
159.6k
133.47k (x0.84)
Test#3 (Generic, ZIP)
77.04k
46.6k (x0.6)
Test#1 (Memory)
10.19k
6.65k (x0.65)
TOTAL
415.01k
325.78k (x0.78)
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
E5-2670 v3
Test#1 (Integers)
6.69k
11.18k (x1.67)
Test#2 (FP)
6.35k
10.06k (x1.58)
Test#3 (Generic, ZIP)
2.54k
3.21k (x1.26)
Test#1 (Memory)
2.17k
3.12k (x1.44)
TOTAL
17.75k
27.57k (x1.55)
Multithread
E5-2651 v2
E5-2670 v3
Test#1 (Integers)
165.17k
140.98k (x0.85)
Test#2 (FP)
176.85k
145.37k (x0.82)
Test#3 (Generic, ZIP)
73.91k
45.62k (x0.62)
Test#1 (Memory)
10.25k
6.75k (x0.66)
TOTAL
426.18k
338.73k (x0.79)
Performance/W
E5-2651 v2
E5-2670 v3
Test#1 (Integers)