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Core i5-520M vs i5-460 M


Description
Both models i5-520M and i5-460 M are based on Westmere architecture.



Using the multithread performance as a reference, the i5-520M gets a score of 33.1 k points while the i5-460 M gets 33.7 k points.

Summarizing, the i5-460 M is 1 times faster than the i5-520M. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
20652
20655
Core
Arrandale
Arrandale
Architecture
Base frecuency
2.4 GHz
2.533 GHz
Boost frecuency
2.933 GHz
2.8 GHz
Socket
FC-PGA 988
PGA 988A
Cores/Threads
2/4
2/4
TDP
35 W
35 W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
2x256 kB
Cache L3
3072 kB
3072 kB
Date
January 2010
September 2010
Mean monothread perf.
15.93k points
16.32k points
Mean multithread perf.
33.14k points
33.69k 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
i5-520M
i5-460 M
Test#1 (Integers)
6.67k
6.85k (x1.03)
Test#2 (FP)
4.59k
4.64k (x1.01)
Test#3 (Generic, ZIP)
2.49k
2.72k (x1.09)
Test#1 (Memory)
2.18k
2.1k (x0.97)
TOTAL
15.93k
16.32k (x1.02)

Multithread

i5-520M

i5-460 M
Test#1 (Integers)
13.75k
13.71k (x1)
Test#2 (FP)
10.03k
10.68k (x1.06)
Test#3 (Generic, ZIP)
6.67k
6.65k (x1)
Test#1 (Memory)
2.68k
2.65k (x0.99)
TOTAL
33.14k
33.69k (x1.02)

Performance/W
i5-520M
i5-460 M
Test#1 (Integers)
393 points/W
392 points/W
Test#2 (FP)
287 points/W
305 points/W
Test#3 (Generic, ZIP)
191 points/W
190 points/W
Test#1 (Memory)
77 points/W
76 points/W
TOTAL
947 points/W
962 points/W

Performance/GHz
i5-520M
i5-460 M
Test#1 (Integers)
2275 points/GHz
2447 points/GHz
Test#2 (FP)
1567 points/GHz
1658 points/GHz
Test#3 (Generic, ZIP)
849 points/GHz
971 points/GHz
Test#1 (Memory)
742 points/GHz
751 points/GHz
TOTAL
5433 points/GHz
5827 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4