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Core 2 Quad Q6700 vs Celeron N2840


Description
The Q6700 is based on Core architecture while the N2840 is based on Silvermont.

Using the multithread performance as a reference, the Q6700 gets a score of 19.8 k points while the N2840 gets 16.8 k points.

Summarizing, the Q6700 is 1.2 times faster than the N2840. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
6fb
30678
Core
Kentsfield
Bay Trail-M
Architecture
Base frecuency
2.666 GHz
2.167 GHz
Boost frecuency
2.666 GHz
2.58 GHz
Socket
LGA 775
BGA1170
Cores/Threads
4/4
2/2
TDP
95 W
7,5 W
Cache L1 (d+i)
4x32+4x32 kB
2x32+2x24 kB
Cache L2
8192 kB
1024 kB
Cache L3
kB
0 kB
Date
April 2007
July 2014
Mean monothread perf.
10.05k points
10.36k points
Mean multithread perf.
19.77k points
16.79k 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
Q6700
N2840
Test#1 (Integers)
3.06k
4.8k (x1.57)
Test#2 (FP)
2.74k
2.47k (x0.9)
Test#3 (Generic, ZIP)
2.56k
1.86k (x0.73)
Test#1 (Memory)
1.68k
1.22k (x0.72)
TOTAL
10.05k
10.36k (x1.03)

Multithread

Q6700

N2840
Test#1 (Integers)
7.28k
8.24k (x1.13)
Test#2 (FP)
5.83k
4.19k (x0.72)
Test#3 (Generic, ZIP)
5.13k
3.05k (x0.59)
Test#1 (Memory)
1.53k
1.32k (x0.86)
TOTAL
19.77k
16.79k (x0.85)

Performance/W
Q6700
N2840
Test#1 (Integers)
77 points/W
1177 points/W
Test#2 (FP)
61 points/W
598 points/W
Test#3 (Generic, ZIP)
54 points/W
436 points/W
Test#1 (Memory)
16 points/W
188 points/W
TOTAL
208 points/W
2399 points/W

Performance/GHz
Q6700
N2840
Test#1 (Integers)
1146 points/GHz
1861 points/GHz
Test#2 (FP)
1029 points/GHz
958 points/GHz
Test#3 (Generic, ZIP)
962 points/GHz
723 points/GHz
Test#1 (Memory)
632 points/GHz
472 points/GHz
TOTAL
3768 points/GHz
4015 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