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Xeon E5645 vs ARM M1


Description
The E5645 is based on Westmere architecture while the M1 is based on -.

Using the multithread performance as a reference, the E5645 gets a score of 77 k points while the M1 gets 142.3 k points.

Summarizing, the M1 is 1.8 times faster than the E5645 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206c2
f4a
Core
Westmere-EP
-
Architecture
Westmere
Base frecuency
2.4 GHz
3.2 GHz
Boost frecuency
2.8 GHz
3.2 GHz
Socket
LGA 1366
-
Cores/Threads
6 /6
4/4
TDP
80 W
- W
Cache L1 (d+i)
64 kB
- kB
Cache L2
256 kB
- kB
Cache L3
12288 kB
- kB
Date
March 2010
January 1900
Mean monothread perf.
15.64k points
41.44k points
Mean multithread perf.
76.96k points
142.32k 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
E5645
M1
Test#1 (Integers)
6.47k
9.46k (x1.46)
Test#2 (FP)
4.4k
24.42k (x5.54)
Test#3 (Generic, ZIP)
2.43k
3.76k (x1.55)
Test#1 (Memory)
2.33k
3.8k (x1.63)
TOTAL
15.64k
41.44k (x2.65)

Multithread

E5645

M1
Test#1 (Integers)
34.43k
34.73k (x1.01)
Test#2 (FP)
24.23k
87.52k (x3.61)
Test#3 (Generic, ZIP)
14.48k
13.74k (x0.95)
Test#1 (Memory)
3.81k
6.34k (x1.66)
TOTAL
76.96k
142.32k (x1.85)

Performance/W
E5645
M1
Test#1 (Integers)
430 points/W