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Core i3-2120 vs Xeon X5670


Description
The i3-2120 is based on Sandy Bridge architecture while the X5670 is based on Westmere.

Using the multithread performance as a reference, the i3-2120 gets a score of 51.2 k points while the X5670 gets 115.4 k points.

Summarizing, the X5670 is 2.3 times faster than the i3-2120 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206a7
206c2
Core
Sandy Bridge
Westmere-EP
Architecture
Base frecuency
3.3 GHz
2.933 GHz
Boost frecuency
3.3 GHz
3.333 GHz
Socket
LGA 1155
LGA 1366
Cores/Threads
2/2
6 /6
TDP
65 W
95 W
Cache L1 (d+i)
2x32+2x32 kB
64 kB
Cache L2
2x256 kB
256 kB
Cache L3
3072 kB
12288 kB
Date
February 2012
March 2010
Mean monothread perf.
24.23k points
20.26k points
Mean multithread perf.
53.48k points
115.4k 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
i3-2120
X5670
Test#1 (Integers)
9.82k
8.35k (x0.85)
Test#2 (FP)
7.9k
5.58k (x0.71)
Test#3 (Generic, ZIP)
3.98k
3.32k (x0.84)
Test#1 (Memory)
2.95k
3k (x1.02)
TOTAL
24.64k
20.26k (x0.82)

Multithread

i3-2120

X5670
Test#1 (Integers)
20.46k
49.72k (x2.43)
Test#2 (FP)
17.77k
35.19k (x1.98)
Test#3 (Generic, ZIP)
10.03k
21.88k (x2.18)
Test#1 (Memory)
2.94k
8.6k (x2.92)
TOTAL
51.21k
115.4k (x2.25)

Performance/W
i3-2120
X5670
Test#1 (Integers)
315 points/W
523 points/W
Test#2 (FP)
273 points/W
370 points/W
Test#3 (Generic, ZIP)
154 points/W
230 points/W
Test#1 (Memory)
45 points/W
91 points/W
TOTAL
788 points/W
1215 points/W

Performance/GHz
i3-2120
X5670
Test#1 (Integers)
2974 points/GHz
2506 points/GHz
Test#2 (FP)
2393 points/GHz
1675 points/GHz
Test#3 (Generic, ZIP)
1206 points/GHz
997 points/GHz
Test#1 (Memory)
895 points/GHz
900 points/GHz
TOTAL
7468 points/GHz
6078 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