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A9 9420 vs Core i7-640LM


Description
The 9420 is based on Excavator architecture while the i7-640LM is based on Westmere.

Using the multithread performance as a reference, the 9420 gets a score of 28.9 k points while the i7-640LM gets 31.7 k points.

Summarizing, the i7-640LM is 1.1 times faster than the 9420. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
670f00
20655
Core
Stoney Ridge
Calpella
Architecture
Base frecuency
3 GHz
2.133 GHz
Boost frecuency
3.6 GHz
2.667 GHz
Socket
Micro-BGA
BGA1288
Cores/Threads
2/2
2/4
TDP
15 W
25 W
Cache L1 (d+i)
96+2x32 kB
2x32+2x32 kB
Cache L2
1024 kB
2x256 kB
Cache L3
0 kB
4096 kB
Date
April 2017
January 2010
Mean monothread perf.
33.09k points
16.35k points
Mean multithread perf.
46.33k points
31.74k 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
9420
i7-640LM
Test#1 (Integers)
8.41k
7.01k (x0.83)
Test#2 (FP)
11.48k
4.58k (x0.4)
Test#3 (Generic, ZIP)
3.29k
2.73k (x0.83)
Test#1 (Memory)
2.24k
2.03k (x0.91)
TOTAL
25.41k
16.35k (x0.64)

Multithread

9420

i7-640LM
Test#1 (Integers)
11.25k
12.93k (x1.15)
Test#2 (FP)
13.69k
10.21k (x0.75)
Test#3 (Generic, ZIP)
2.09k
6.22k (x2.98)
Test#1 (Memory)
1.87k
2.37k (x1.27)
TOTAL
28.89k
31.74k (x1.1)

Performance/W
9420
i7-640LM
Test#1 (Integers)
750 points/W
517 points/W
Test#2 (FP)
912 points/W
409 points/W
Test#3 (Generic, ZIP)
139 points/W
249 points/W
Test#1 (Memory)
125 points/W
95 points/W
TOTAL
1926 points/W
1269 points/W

Performance/GHz
9420
i7-640LM
Test#1 (Integers)
2336 points/GHz
2627 points/GHz
Test#2 (FP)
3188 points/GHz
1718 points/GHz
Test#3 (Generic, ZIP)
913 points/GHz
1024 points/GHz
Test#1 (Memory)
621 points/GHz
762 points/GHz
TOTAL
7058 points/GHz
6130 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