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Pentium D 925 vs Celeron N2840


Description
The 925 is based on NetBurst architecture while the N2840 is based on Silvermont.

Using the multithread performance as a reference, the 925 gets a score of 14 k points while the N2840 gets 18.9 k points.

Summarizing, the N2840 is 1.4 times faster than the 925. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
f65
30678
Core
Presler
Bay Trail-M
Architecture
Base frecuency
3 GHz
2.167 GHz
Boost frecuency
3 GHz
2.58 GHz
Socket
LGA 775
BGA1170
Cores/Threads
2/2
2/2
TDP
95 W
7,5 W
Cache L1 (d+i)
16+8 kB
2x32+2x24 kB
Cache L2
4096 kB
1024 kB
Date
October 2006
July 2014

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
925
N2840
Test#1 (Integers)
2059
4820 (134.06%)
Test#2 (FP)
3316
2491 (-24.89%)
Test#3 (Generic, ZIP)
1522
1884 (23.78%)
Test#1 (Memory)
799
1251 (56.50%)
TOTAL
7696
10445 (35.71%)

Multithread

925

N2840
Test#1 (Integers)
3995
9178 (129.71%)
Test#2 (FP)
6318
4765 (-24.58%)
Test#3 (Generic, ZIP)
2905
3474 (19.56%)
Test#1 (Memory)
808
1480 (83.17%)
TOTAL
14027
18897 (34.72%)

Performance/W
925
N2840
Test#1 (Integers)
42 points/W
1311 points/W
Test#2 (FP)
67 points/W
681 points/W
Test#3 (Generic, ZIP)
31 points/W
496 points/W
Test#1 (Memory)
9 points/W
211 points/W
TOTAL
148 points/W
2700 points/W

Performance/GHz
925
N2840
Test#1 (Integers)
686 points/GHz
1868 points/GHz
Test#2 (FP)
1105 points/GHz
965 points/GHz
Test#3 (Generic, ZIP)
507 points/GHz
730 points/GHz
Test#1 (Memory)
266 points/GHz
485 points/GHz
TOTAL
2565 points/GHz
4048 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. 3.7.8