Xeon X5675 vs E5-2651 v2
Description
The X5675 is based on Westmere architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the X5675 gets a score of 124.9 k points while the E5-2651 v2 gets 415 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 X5675 gets a score of 124.9 k points while the E5-2651 v2 gets 415 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
206c2
306e4
Core
Westmere-EP
Ivy Bridge-EP
Base frecuency
3.067 GHz
1.8 GHz
Boost frecuency
3.467 GHz
2.2 GHz
Socket
LGA 1366
LGA 2011
Cores/Threads
6 /12
12/24
TDP
95 W
W
Cache L1 (d+i)
6x32+6x32 kB
12x32+12x32 kB
Cache L2
6x256 kB
12x256 kB
Cache L3
12288 kB
30720 kB
Date
February 2011
October 2013
Mean monothread perf.
21.04k points
17.75k points
Mean multithread perf.
124.92k 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
X5675
E5-2651 v2
Test#1 (Integers)
8.77k
6.75k (x0.77)
Test#2 (FP)
5.82k
6.05k (x1.04)
Test#3 (Generic, ZIP)
3.47k
2.61k (x0.75)
Test#1 (Memory)
2.98k
2.26k (x0.76)
TOTAL
21.04k
17.68k (x0.84)
Multithread
X5675
E5-2651 v2
Test#1 (Integers)
53.23k
168.18k (x3.16)
Test#2 (FP)
39.35k
159.6k (x4.06)
Test#3 (Generic, ZIP)
27.05k
77.04k (x2.85)
Test#1 (Memory)
5.28k
10.19k (x1.93)
TOTAL
124.92k
415.01k (x3.32)
Performance/W
X5675
E5-2651 v2
Test#1 (Integers)
560 points/W