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Core i5-6400 vs Celeron G3900TE


Description
Both models i5-6400 and G3900TE are based on Skylake architecture.

Sky Lake is also known as 6th generation Core. Include Thunderbolt 3.0, SATA Express and Iris Pro graphics with DirectX 12. It uses LGA 1151 socket for mainstream models and LGA 2066 for X-Series. Sky Lake comes with AVX2 support in all mainstreams CPUs and AVX-512 in some high end models.

Using the multithread performance as a reference, the i5-6400 gets a score of 129.5 k points while the G3900TE gets 49.3 k points.

Summarizing, the i5-6400 is 2.6 times faster than the G3900TE. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
506e3
506e3
Core
Skylake-S
Skylake-S
Architecture
Base frecuency
2.7 GHz
2.3 GHz
Boost frecuency
3.3 GHz
2.3 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
4/4
2/2
TDP
65 W
35 W
Cache L1 (d+i)
4x32+4x32 kB
2x32+2x32 kB
Cache L2
4x256 kB
2x256 kB
Cache L3
6144 kB
2048 kB
Date
September 2015
December 2015
Mean monothread perf.
48.05k points
27.33k points
Mean multithread perf.
174.05k points
49.34k 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
i5-6400
G3900TE
Test#1 (Integers)
3.2k
2.36k (x0.74)
Test#2 (FP)
12.81k
9.79k (x0.76)
Test#3 (Generic, ZIP)
4.18k
3.08k (x0.74)
Test#1 (Memory)
4.3k
3.36k (x0.78)
TOTAL
24.49k
18.59k (x0.76)

Multithread

i5-6400

G3900TE
Test#1 (Integers)
11.45k
4.45k (x0.39)
Test#2 (FP)
46.67k
18.16k (x0.39)
Test#3 (Generic, ZIP)
14.69k
5.48k (x0.37)
Test#1 (Memory)
5.92k
3.5k (x0.59)
TOTAL
78.73k
31.59k (x0.4)

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
i5-6400
G3900TE
Test#1 (Integers)
11.56k
8.56k (x0.74)
Test#2 (FP)
16.53k
12.25k (x0.74)
Test#3 (Generic, ZIP)
4.3k
3.17k (x0.74)
Test#1 (Memory)
3.97k
3.35k (x0.84)
TOTAL
36.36k
27.33k (x0.75)

Multithread

i5-6400

G3900TE
Test#1 (Integers)
43.01k
16.42k (x0.38)
Test#2 (FP)
64.46k
23.61k (x0.37)
Test#3 (Generic, ZIP)
16.14k
5.75k (x0.36)
Test#1 (Memory)
5.91k
3.55k (x0.6)
TOTAL
129.51k
49.34k (x0.38)

Performance/W
i5-6400
G3900TE
Test#1 (Integers)
662 points/W
469 points/W
Test#2 (FP)
992 points/W
675 points/W
Test#3 (Generic, ZIP)
248 points/W
164 points/W
Test#1 (Memory)
91 points/W
101 points/W
TOTAL
1992 points/W
1410 points/W

Performance/GHz
i5-6400
G3900TE
Test#1 (Integers)
3503 points/GHz
3724 points/GHz
Test#2 (FP)
5009 points/GHz
5326 points/GHz
Test#3 (Generic, ZIP)
1302 points/GHz
1380 points/GHz
Test#1 (Memory)
1203 points/GHz
1455 points/GHz
TOTAL
11018 points/GHz
11885 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