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Core 2 Quad Q8400 vs Xeon E5504


Description
The Q8400 is based on Core architecture while the E5504 is based on Nehalem.

Using the multithread performance as a reference, the Q8400 gets a score of 51.9 k points while the E5504 gets 42 k points.

Summarizing, the Q8400 is 1.2 times faster than the E5504 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
1067a
106a5
Core
Yorkfield
Gainestown
Architecture
Base frecuency
2.666 GHz
2 GHz
Socket
LGA 775
LGA 1366
Cores/Threads
4/4
4 /4
TDP
95 W
80 W
Cache L1 (d+i)
128+128 kB
64 kB
Cache L2
4096 kB
256 kB
Cache L3
0 kB
4096 kB
Date
April 2009
March 2009
Mean monothread perf.
14.04k points
10.92k points
Mean multithread perf.
51.92k points
41.95k 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
Q8400
E5504
Test#1 (Integers)
3.08k
4.57k (x1.48)
Test#2 (FP)
6.8k
3.07k (x0.45)
Test#3 (Generic, ZIP)
2.73k
1.85k (x0.68)
Test#1 (Memory)
1.42k
1.43k (x1.01)
TOTAL
14.04k
10.92k (x0.78)

Multithread

Q8400

E5504
Test#1 (Integers)
12.25k
19.07k (x1.56)
Test#2 (FP)
26.84k
12.52k (x0.47)
Test#3 (Generic, ZIP)
10.82k
7.97k (x0.74)
Test#1 (Memory)
2.02k
2.39k (x1.19)
TOTAL
51.92k
41.95k (x0.81)

Performance/W
Q8400
E5504
Test#1 (Integers)
129 points/W
238 points/W
Test#2 (FP)
283 points/W
157 points/W
Test#3 (Generic, ZIP)
114 points/W
100 points/W
Test#1 (Memory)
21 points/W
30 points/W
TOTAL
547 points/W
524 points/W

Performance/GHz
Q8400
E5504
Test#1 (Integers)
1157 points/GHz
2287 points/GHz
Test#2 (FP)
2551 points/GHz
1535 points/GHz
Test#3 (Generic, ZIP)
1025 points/GHz
926 points/GHz
Test#1 (Memory)
532 points/GHz
713 points/GHz
TOTAL
5265 points/GHz
5460 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