Xeon E5-2651 v2 vs X5675
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the X5675 is based on Westmere.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the X5675 gets 124.9 k points.
Summarizing, the E5-2651 v2 is 3.3 times faster than the X5675 . 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 415 k points while the X5675 gets 124.9 k points.
Summarizing, the E5-2651 v2 is 3.3 times faster than the X5675 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
206c2
Core
Ivy Bridge-EP
Westmere-EP
Base frecuency
1.8 GHz
3.067 GHz
Boost frecuency
2.2 GHz
3.467 GHz
Socket
LGA 2011
LGA 1366
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
12288 kB
Date
October 2013
February 2011
Mean monothread perf.
17.75k points
21.04k points
Mean multithread perf.
426.18k points
124.92k 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
X5675
Test#1 (Integers)
6.75k
8.77k (x1.3)
Test#2 (FP)
6.05k
5.82k (x0.96)
Test#3 (Generic, ZIP)
2.61k
3.47k (x1.33)
Test#1 (Memory)
2.26k
2.98k (x1.32)
TOTAL
17.68k
21.04k (x1.19)
Multithread
E5-2651 v2
X5675
Test#1 (Integers)
168.18k
53.23k (x0.32)
Test#2 (FP)
159.6k
39.35k (x0.25)
Test#3 (Generic, ZIP)
77.04k
27.05k (x0.35)
Test#1 (Memory)
10.19k
5.28k (x0.52)
TOTAL
415.01k
124.92k (x0.3)
Performance/W
E5-2651 v2
X5675
Test#1 (Integers)