Xeon E5-2651 v2 vs Core i7-920
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the i7-920 is based on Nehalem Westmere.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 415 k points while the i7-920 gets 47.2 k points.
Summarizing, the E5-2651 v2 is 8.8 times faster than the i7-920 . 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 i7-920 gets 47.2 k points.
Summarizing, the E5-2651 v2 is 8.8 times faster than the i7-920 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
106a5
Core
Ivy Bridge-EP
Bloomfield
Base frecuency
1.8 GHz
2.667 GHz
Boost frecuency
2.2 GHz
2.993 GHz
Socket
LGA 2011
LGA 1366
Cores/Threads
12/24
4/8
TDP
W
130 W
Cache L1 (d+i)
12x32+12x32 kB
32+32 kB
Cache L2
12x256 kB
256 kB
Cache L3
30720 kB
8192 kB
Date
October 2013
November 2008
Mean monothread perf.
17.75k points
16.33k points
Mean multithread perf.
426.18k points
47.2k 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
i7-920
Test#1 (Integers)
6.75k
6.12k (x0.91)
Test#2 (FP)
6.05k
4.76k (x0.79)
Test#3 (Generic, ZIP)
2.61k
2.78k (x1.07)
Test#1 (Memory)
2.26k
2.67k (x1.18)
TOTAL
17.68k
16.33k (x0.92)
Multithread
E5-2651 v2
i7-920
Test#1 (Integers)
168.18k
19.26k (x0.11)
Test#2 (FP)
159.6k
14.96k (x0.09)
Test#3 (Generic, ZIP)
77.04k
8.05k (x0.1)
Test#1 (Memory)
10.19k
4.92k (x0.48)
TOTAL
415.01k
47.2k (x0.11)
Performance/W
E5-2651 v2
i7-920
Test#1 (Integers)