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Celeron N2840 vs N4020


Description
The N2840 is based on Silvermont architecture while the N4020 is based on Goldmont Plus.

Using the multithread performance as a reference, the N2840 gets a score of 16.8 k points while the N4020 gets 26.9 k points.

Summarizing, the N4020 is 1.6 times faster than the N2840. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
30678
706a8
Core
Bay Trail-M
Gemini Lake
Architecture
Base frecuency
2.167 GHz
1.1 GHz
Boost frecuency
2.58 GHz
2.8 GHz
Socket
BGA1170
BGA 1090
Cores/Threads
2/2
2/2
TDP
7,5 W
6 W
Cache L1 (d+i)
2x32+2x24 kB
2x32+2x24 kB
Cache L2
1024 kB
4096 kB
Date
July 2014
November 2019
Mean monothread perf.
10.36k points
17.88k points
Mean multithread perf.
16.79k points
26.91k 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
N2840
N4020
Test#1 (Integers)
4.8k
5.25k (x1.09)
Test#2 (FP)
2.47k
7.92k (x3.2)
Test#3 (Generic, ZIP)
1.86k
2.94k (x1.58)
Test#1 (Memory)
1.22k
1.77k (x1.45)
TOTAL
10.36k
17.88k (x1.73)

Multithread

N2840

N4020
Test#1 (Integers)
8.24k
8.01k (x0.97)
Test#2 (FP)
4.19k
12.56k (x3)
Test#3 (Generic, ZIP)
3.05k
4.55k (x1.49)
Test#1 (Memory)
1.32k
1.78k (x1.36)
TOTAL
16.79k
26.91k (x1.6)

Performance/W
N2840
N4020
Test#1 (Integers)
1177 points/W
1336 points/W
Test#2 (FP)
598 points/W
2094 points/W
Test#3 (Generic, ZIP)
436 points/W
758 points/W
Test#1 (Memory)
188 points/W
297 points/W
TOTAL
2399 points/W
4484 points/W

Performance/GHz
N2840
N4020
Test#1 (Integers)
1861 points/GHz
1875 points/GHz
Test#2 (FP)
958 points/GHz
2828 points/GHz
Test#3 (Generic, ZIP)
723 points/GHz
1050 points/GHz
Test#1 (Memory)
472 points/GHz
631 points/GHz
TOTAL
4015 points/GHz
6384 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