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Core 2 Duo E4500 vs Core 2 Quad Q8400


Description
Both models E4500 and Q8400 are based on Core architecture.



Using the multithread performance as a reference, the E4500 gets a score of 16 k points while the Q8400 gets 51.9 k points.

Summarizing, the Q8400 is 3.2 times faster than the E4500 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
6fd
1067a
Core
Allendale
Yorkfield
Architecture
Base frecuency
2.2 GHz
2.666 GHz
Socket
LGA 775
LGA 775
Cores/Threads
2/2
4/4
TDP
65 W
95 W
Cache L1 (d+i)
2x32+2x32 kB
128+128 kB
Cache L2
2048 kB
4096 kB
Date
July 2007
April 2009
Mean monothread perf.
8.33k points
14.04k points
Mean multithread perf.
15.97k points
51.92k points

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
E4500
Q8400
Test#1 (Integers)
2.2k
2.44k (x1.11)
Test#2 (FP)
2.21k
6.24k (x2.83)
Test#3 (Generic, ZIP)
2.21k
2.62k (x1.18)
Test#1 (Memory)
1.2k
1.43k (x1.19)
TOTAL
7.81k
12.73k (x1.63)

Multithread

E4500

Q8400
Test#1 (Integers)
4.4k
9.71k (x2.21)
Test#2 (FP)
4.42k
24.81k (x5.61)
Test#3 (Generic, ZIP)
4.45k
10.51k (x2.36)
Test#1 (Memory)
1.2k
2.03k (x1.7)
TOTAL
14.46k
47.05k (x3.25)

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
E4500
Q8400
Test#1 (Integers)
2.53k
3.08k (x1.22)
Test#2 (FP)
2.29k
6.8k (x2.96)
Test#3 (Generic, ZIP)
2.31k
2.73k (x1.18)
Test#1 (Memory)
1.2k
1.42k (x1.19)
TOTAL
8.33k
14.04k (x1.69)

Multithread

E4500

Q8400
Test#1 (Integers)
4.98k
12.25k (x2.46)
Test#2 (FP)
4.59k
26.84k (x5.85)
Test#3 (Generic, ZIP)
4.63k
10.82k (x2.34)
Test#1 (Memory)
1.77k
2.02k (x1.14)
TOTAL
15.97k
51.92k (x3.25)

Performance/W
E4500
Q8400
Test#1 (Integers)
77 points/W
129 points/W
Test#2 (FP)
71 points/W
283 points/W
Test#3 (Generic, ZIP)
71 points/W
114 points/W
Test#1 (Memory)
27 points/W
21 points/W
TOTAL
246 points/W
547 points/W

Performance/GHz
E4500
Q8400
Test#1 (Integers)
1149 points/GHz
1157 points/GHz
Test#2 (FP)
1043 points/GHz
2551 points/GHz
Test#3 (Generic, ZIP)
1050 points/GHz
1025 points/GHz
Test#1 (Memory)
544 points/GHz
532 points/GHz
TOTAL
3786 points/GHz
5265 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