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A9 9420 vs Pentium G645


Description
The 9420 is based on Excavator architecture while the G645 is based on Sandy Bridge.

Using the multithread performance as a reference, the 9420 gets a score of 28.9 k points while the G645 gets 35.4 k points.

Summarizing, the G645 is 1.2 times faster than the 9420. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
670f00
206a7
Core
Stoney Ridge
Sandy Bridge
Architecture
Base frecuency
3 GHz
2.9 GHz
Boost frecuency
3.6 GHz
2.9 GHz
Socket
Micro-BGA
LGA 1155
Cores/Threads
2/2
2/2
TDP
15 W
65 W
Cache L1 (d+i)
96+2x32 kB
2x32+2x32 kB
Cache L2
1024 kB
2x256 kB
Cache L3
0 kB
3072 kB
Date
April 2017
September 2012
Mean monothread perf.
33.09k points
22.24k points
Mean multithread perf.
46.33k points
35.38k 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
G645
Test#1 (Integers)
8.41k
8.66k (x1.03)
Test#2 (FP)
11.48k
6.9k (x0.6)
Test#3 (Generic, ZIP)
3.29k
3.48k (x1.06)
Test#1 (Memory)
2.24k
3.2k (x1.43)
TOTAL
25.41k
22.24k (x0.88)

Multithread

9420

G645
Test#1 (Integers)
11.25k
14.06k (x1.25)
Test#2 (FP)
13.69k
11.82k (x0.86)
Test#3 (Generic, ZIP)
2.09k
5.83k (x2.79)
Test#1 (Memory)
1.87k
3.69k (x1.97)
TOTAL
28.89k
35.38k (x1.22)

Performance/W
9420
G645
Test#1 (Integers)
750 points/W
216 points/W
Test#2 (FP)
912 points/W
182 points/W
Test#3 (Generic, ZIP)
139 points/W
90 points/W
Test#1 (Memory)
125 points/W
57 points/W
TOTAL
1926 points/W
544 points/W

Performance/GHz
9420
G645
Test#1 (Integers)
2336 points/GHz
2987 points/GHz
Test#2 (FP)
3188 points/GHz
2380 points/GHz
Test#3 (Generic, ZIP)
913 points/GHz
1199 points/GHz
Test#1 (Memory)
621 points/GHz
1103 points/GHz
TOTAL
7058 points/GHz
7669 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