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Celeron G3900TE vs Xeon E5645


Description
The G3900TE is based on Skylake architecture while the E5645 is based on Westmere.

Using the multithread performance as a reference, the G3900TE gets a score of 49.3 k points while the E5645 gets 77 k points.

Summarizing, the E5645 is 1.6 times faster than the G3900TE. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
506e3
206c2
Core
Skylake-S
Westmere-EP
Architecture
Base frecuency
2.3 GHz
2.4 GHz
Boost frecuency
2.3 GHz
2.8 GHz
Socket
LGA 1151
LGA 1366
Cores/Threads
2/2
6 /6
TDP
35 W
80 W
Cache L1 (d+i)
2x32+2x32 kB
64 kB
Cache L2
2x256 kB
256 kB
Cache L3
2048 kB
12288 kB
Date
December 2015
March 2010
Mean monothread perf.
27.33k points
15.64k points
Mean multithread perf.
49.34k points
76.96k 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
G3900TE
E5645
Test#1 (Integers)
2.36k
1.78k (x0.75)
Test#2 (FP)
9.79k
3.91k (x0.4)
Test#3 (Generic, ZIP)
3.08k
2.52k (x0.82)
Test#1 (Memory)
3.36k
2.42k (x0.72)
TOTAL
18.59k
10.64k (x0.57)

Multithread

G3900TE

E5645
Test#1 (Integers)
4.45k
9.67k (x2.17)
Test#2 (FP)
18.16k
22.92k (x1.26)
Test#3 (Generic, ZIP)
5.48k
14.31k (x2.61)
Test#1 (Memory)
3.5k
3.81k (x1.09)
TOTAL
31.59k
50.7k (x1.6)

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
G3900TE
E5645
Test#1 (Integers)
8.56k
6.47k (x0.76)
Test#2 (FP)
12.25k
4.4k (x0.36)
Test#3 (Generic, ZIP)
3.17k
2.43k (x0.76)
Test#1 (Memory)
3.35k
2.33k (x0.7)
TOTAL
27.33k
15.64k (x0.57)

Multithread

G3900TE

E5645
Test#1 (Integers)
16.42k
34.43k (x2.1)
Test#2 (FP)
23.61k
24.23k (x1.03)
Test#3 (Generic, ZIP)
5.75k
14.48k (x2.52)
Test#1 (Memory)
3.55k
3.81k (x1.07)
TOTAL
49.34k
76.96k (x1.56)

Performance/W
G3900TE
E5645
Test#1 (Integers)
469 points/W
430 points/W
Test#2 (FP)
675 points/W
303 points/W
Test#3 (Generic, ZIP)
164 points/W
181 points/W
Test#1 (Memory)
101 points/W
48 points/W
TOTAL
1410 points/W
962 points/W

Performance/GHz
G3900TE
E5645
Test#1 (Integers)
3724 points/GHz
2311 points/GHz
Test#2 (FP)
5326 points/GHz
1573 points/GHz
Test#3 (Generic, ZIP)
1380 points/GHz
867 points/GHz
Test#1 (Memory)
1455 points/GHz
833 points/GHz
TOTAL
11885 points/GHz
5584 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