Xeon X5675 vs Core 2 Duo P8400
Description
The X5675 is based on Westmere architecture while the P8400 is based on Core.
Using the multithread performance as a reference, the X5675 gets a score of 124.9 k points while the P8400 gets 21 k points.
Summarizing, the X5675 is 5.9 times faster than the P8400. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the X5675 gets a score of 124.9 k points while the P8400 gets 21 k points.
Summarizing, the X5675 is 5.9 times faster than the P8400. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
206c2
10676
Core
Westmere-EP
Peryn-3M
Base frecuency
3.067 GHz
2.267 GHz
Boost frecuency
3.467 GHz
2.267 GHz
Socket
LGA 1366
Socket P
Cores/Threads
6 /12
2/2
TDP
95 W
25 W
Cache L1 (d+i)
6x32+6x32 kB
2x32 kB
Cache L2
6x256 kB
3072 kB
Cache L3
12288 kB
0 kB
Date
February 2011
July 2008
Mean monothread perf.
21.04k points
11.38k points
Mean multithread perf.
124.92k points
21.02k 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
X5675
P8400
Test#1 (Integers)
8.77k
2.43k (x0.28)
Test#2 (FP)
5.82k
5.4k (x0.93)
Test#3 (Generic, ZIP)
3.47k
2.13k (x0.61)
Test#1 (Memory)
2.98k
1.43k (x0.48)
TOTAL
21.04k
11.38k (x0.54)
Multithread
X5675
P8400
Test#1 (Integers)
53.23k
4.81k (x0.09)
Test#2 (FP)
39.35k
10.58k (x0.27)
Test#3 (Generic, ZIP)
27.05k
4.18k (x0.15)
Test#1 (Memory)
5.28k
1.45k (x0.27)
TOTAL
124.92k
21.02k (x0.17)
Performance/W
X5675
P8400
Test#1 (Integers)
560 points/W
193 points/W
Test#2 (FP)
414 points/W
423 points/W
Test#3 (Generic, ZIP)
285 points/W
167 points/W
Test#1 (Memory)
56 points/W
58 points/W
TOTAL
1315 points/W
841 points/W
Performance/GHz
X5675
P8400
Test#1 (Integers)
2529 points/GHz
1071 points/GHz
Test#2 (FP)
1679 points/GHz
2383 points/GHz
Test#3 (Generic, ZIP)
1001 points/GHz
938 points/GHz
Test#1 (Memory)
860 points/GHz
629 points/GHz
TOTAL
6070 points/GHz
5022 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4