Core i7-870 vs i5-520M
Description
The i7-870 is based on Nehalem architecture while the i5-520M is based on Westmere.
Using the multithread performance as a reference, the i7-870 gets a score of 42.5 k points while the i5-520M gets 26.3 k points.
Summarizing, the i7-870 is 1.6 times faster than the i5-520M. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-870 gets a score of 42.5 k points while the i5-520M gets 26.3 k points.
Summarizing, the i7-870 is 1.6 times faster than the i5-520M. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
106e5
20655
Core
Lynnfield
Arrandale
Base frecuency
2.933 GHz
2.4 GHz
Boost frecuency
3.6 GHz
2.933 GHz
Socket
LGA 1156
FC-PGA 988
Cores/Threads
4/8
2/4
TDP
95 W
35 W
Cache L1 (d+i)
4x32+4x32 kB
2x32+2x32 kB
Cache L2
4x256 kB
2x256 kB
Cache L3
8192 kB
3072 kB
Date
September 2009
January 2010
Mean monothread perf.
15.44k points
13.1k points
Mean multithread perf.
42.53k points
26.27k 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
i7-870
i5-520M
Test#1 (Integers)
5.86k
5.41k (x0.92)
Test#2 (FP)
4.53k
3.69k (x0.82)
Test#3 (Generic, ZIP)
2.36k
2.12k (x0.9)
Test#1 (Memory)
2.69k
1.88k (x0.7)
TOTAL
15.44k
13.1k (x0.85)
Multithread
i7-870
i5-520M
Test#1 (Integers)
17.53k
10.7k (x0.61)
Test#2 (FP)
13.65k
7.91k (x0.58)
Test#3 (Generic, ZIP)
7.93k
5.08k (x0.64)
Test#1 (Memory)
3.41k
2.58k (x0.76)
TOTAL
42.53k
26.27k (x0.62)
Performance/W
i7-870
i5-520M
Test#1 (Integers)
185 points/W
306 points/W
Test#2 (FP)
144 points/W
226 points/W
Test#3 (Generic, ZIP)
83 points/W
145 points/W
Test#1 (Memory)
36 points/W
74 points/W
TOTAL
448 points/W
751 points/W
Performance/GHz
i7-870
i5-520M
Test#1 (Integers)
1629 points/GHz
1844 points/GHz
Test#2 (FP)
1257 points/GHz
1259 points/GHz
Test#3 (Generic, ZIP)
655 points/GHz
723 points/GHz
Test#1 (Memory)
748 points/GHz
641 points/GHz
TOTAL
4289 points/GHz
4466 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4