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Xeon W3520 vs Core 2 Duo T6400


Description
The W3520 is based on Nehalem architecture while the T6400 is based on Core.

Using the multithread performance as a reference, the W3520 gets a score of 73.2 k points while the T6400 gets 17.1 k points.

Summarizing, the W3520 is 4.3 times faster than the T6400. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
106a5
1067a
Core
Nehalem-WS
Penryn-3M
Architecture
Base frecuency
2.667 GHz
2 GHz
Boost frecuency
2.933 GHz
2 GHz
Socket
LGA 1366
FC-PGA
Cores/Threads
4 /8
2/2
TDP
130 W
35 W
Cache L1 (d+i)
4x32+x4x32 kB
2x32+2x32 kB
Cache L2
4x256 kB
2048 kB
Cache L3
8192 kB
0 kB
Date
March 2009
January 2009
Mean monothread perf.
17.96k points
10.08k points
Mean multithread perf.
73.16k points
17.08k 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
W3520
T6400
Test#1 (Integers)
7.35k
2.26k (x0.31)
Test#2 (FP)
4.89k
4.98k (x1.02)
Test#3 (Generic, ZIP)
2.9k
1.89k (x0.65)
Test#1 (Memory)
2.82k
0.96k (x0.34)
TOTAL
17.96k
10.08k (x0.56)

Multithread

W3520

T6400
Test#1 (Integers)
29.69k
4.06k (x0.14)
Test#2 (FP)
22.26k
8.53k (x0.38)
Test#3 (Generic, ZIP)
14.91k
3.38k (x0.23)
Test#1 (Memory)
6.29k
1.11k (x0.18)
TOTAL
73.16k
17.08k (x0.23)

Performance/W
W3520
T6400
Test#1 (Integers)
228 points/W
116 points/W
Test#2 (FP)
171 points/W
244 points/W
Test#3 (Generic, ZIP)
115 points/W
96 points/W
Test#1 (Memory)
48 points/W
32 points/W
TOTAL
563 points/W
488 points/W

Performance/GHz
W3520
T6400
Test#1 (Integers)
2506 points/GHz
1128 points/GHz
Test#2 (FP)
1669 points/GHz
2491 points/GHz
Test#3 (Generic, ZIP)
989 points/GHz
944 points/GHz
Test#1 (Memory)
960 points/GHz
478 points/GHz
TOTAL
6123 points/GHz
5040 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