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Pentium D 925 vs Pentium T3400


Description
The 925 is based on NetBurst architecture while the T3400 is based on Core.

Using the multithread performance as a reference, the 925 gets a score of 14 k points while the T3400 gets 14.9 k points.

Summarizing, the T3400 is 1.1 times faster than the 925. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
f65
6fd
Core
Presler
Merom-2M
Architecture
Base frecuency
3 GHz
2.167 GHz
Socket
LGA 775
Socket P
Cores/Threads
2/2
2/2
TDP
95 W
35 W
Cache L1 (d+i)
16+8 kB
2x32+2x32 kB
Cache L2
4096 kB
1024 kB
Date
October 2006
October 2008

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
925
T3400
Test#1 (Integers)
1521
1862 (22.40%)
Test#2 (FP)
2948
1895 (-35.72%)
Test#3 (Generic, ZIP)
1506
1417 (-5.91%)
Test#1 (Memory)
816
835 (2.33%)
TOTAL
6791
6009 (-11.52%)

Multithread

925

T3400
Test#1 (Integers)
2982
4039 (35.46%)
Test#2 (FP)
5616
4165 (-25.83%)
Test#3 (Generic, ZIP)
2870
3549 (23.67%)
Test#1 (Memory)
819
1204 (47.09%)
TOTAL
12287
12958 (5.46%)

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
T3400
Test#1 (Integers)
2059
2491 (20.97%)
Test#2 (FP)
3316
2247 (-32.23%)
Test#3 (Generic, ZIP)
1522
2171 (42.61%)
Test#1 (Memory)
799
1141 (42.72%)
TOTAL
7696
8049 (4.58%)

Multithread

925

T3400
Test#1 (Integers)
3995
4979 (24.62%)
Test#2 (FP)
6318
4432 (-29.86%)
Test#3 (Generic, ZIP)
2905
4272 (47.02%)
Test#1 (Memory)
808
1225 (51.63%)
TOTAL
14027
14908 (6.28%)

Performance/W
925
T3400
Test#1 (Integers)
42 points/W
142 points/W
Test#2 (FP)
67 points/W
127 points/W
Test#3 (Generic, ZIP)
31 points/W
122 points/W
Test#1 (Memory)
9 points/W
35 points/W
TOTAL
148 points/W
426 points/W

Performance/GHz
925
T3400
Test#1 (Integers)
686 points/GHz
1150 points/GHz
Test#2 (FP)
1105 points/GHz
1037 points/GHz
Test#3 (Generic, ZIP)
507 points/GHz
1002 points/GHz
Test#1 (Memory)
266 points/GHz
526 points/GHz
TOTAL
2565 points/GHz
3714 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