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Core i3-6006U vs Core 2 Duo E7400


Description
The i3-6006U is based on Skylake architecture while the E7400 is based on Core.

Using the multithread performance as a reference, the i3-6006U gets a score of 47.5 k points while the E7400 gets 25.7 k points.

Summarizing, the i3-6006U is 1.8 times faster than the E7400 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
406e3
1067a
Core
Skylake-U
Wolfdale
Architecture
Base frecuency
2 GHz
2.8 GHz
Socket
BGA1356
LGA 775
Cores/Threads
2/4
2/2
TDP
15 W
65 W
Cache L1 (d+i)
2x32+2x32 kB
32+32 kB
Cache L2
2x256 kB
3072 kB
Cache L3
3072 kB
0 kB
Date
November 2016
October 2008
Mean monothread perf.
31.3k points
14.31k points
Mean multithread perf.
68.38k points
25.71k 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
i3-6006U
E7400
Test#1 (Integers)
2.02k
2.54k (x1.26)
Test#2 (FP)
8.2k
6.56k (x0.8)
Test#3 (Generic, ZIP)
2.63k
2.73k (x1.04)
Test#1 (Memory)
3.92k
1.83k (x0.47)
TOTAL
16.77k
13.66k (x0.81)

Multithread

i3-6006U

E7400
Test#1 (Integers)
3.83k
5.08k (x1.33)
Test#2 (FP)
17.17k
13.07k (x0.76)
Test#3 (Generic, ZIP)
5.77k
5.52k (x0.96)
Test#1 (Memory)
3.62k
1.62k (x0.45)
TOTAL
30.39k
25.29k (x0.83)

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
i3-6006U
E7400
Test#1 (Integers)
7.28k
3.19k (x0.44)
Test#2 (FP)
10.51k
7.02k (x0.67)
Test#3 (Generic, ZIP)
2.81k
2.71k (x0.97)
Test#1 (Memory)
2.88k
1.39k (x0.48)
TOTAL
23.48k
14.31k (x0.61)

Multithread

i3-6006U

E7400
Test#1 (Integers)
14.98k
6.02k (x0.4)
Test#2 (FP)
23.68k
13.23k (x0.56)
Test#3 (Generic, ZIP)
6.37k
5.12k (x0.8)
Test#1 (Memory)
2.43k
1.34k (x0.55)
TOTAL
47.46k
25.71k (x0.54)

Performance/W
i3-6006U
E7400
Test#1 (Integers)
998 points/W
93 points/W
Test#2 (FP)
1579 points/W
204 points/W
Test#3 (Generic, ZIP)
425 points/W
79 points/W
Test#1 (Memory)
162 points/W
21 points/W
TOTAL
3164 points/W
396 points/W

Performance/GHz
i3-6006U
E7400
Test#1 (Integers)
3640 points/GHz
1139 points/GHz
Test#2 (FP)
5255 points/GHz
2507 points/GHz
Test#3 (Generic, ZIP)
1404 points/GHz
969 points/GHz
Test#1 (Memory)
1441 points/GHz
496 points/GHz
TOTAL
11739 points/GHz
5111 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