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Xeon X5675 vs Core i7-4790K


Description
The X5675 is based on Westmere architecture while the i7-4790K is based on Haswell.

Using the multithread performance as a reference, the X5675 gets a score of 124.9 k points while the i7-4790K gets 164.5 k points.

Summarizing, the i7-4790K is 1.3 times faster than the X5675 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206c2
306c3
Core
Westmere-EP
Haswell
Architecture
Base frecuency
3.067 GHz
4 GHz
Boost frecuency
3.467 GHz
4.4 GHz
Socket
LGA 1366
LGA 1150
Cores/Threads
6 /12
4/8
TDP
95 W
88 W
Cache L1 (d+i)
6x32+6x32 kB
32+32 kB
Cache L2
6x256 kB
256 kB
Cache L3
12288 kB
8192 kB
Date
February 2011
May 2014
Mean monothread perf.
21.04k points
52.47k points
Mean multithread perf.
124.92k points
215.47k 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
X5675
i7-4790K
Test#1 (Integers)
8.77k
15.6k (x1.78)
Test#2 (FP)
5.82k
13.92k (x2.39)
Test#3 (Generic, ZIP)
3.47k
6.12k (x1.76)
Test#1 (Memory)
2.98k
5k (x1.68)
TOTAL
21.04k
40.65k (x1.93)

Multithread

X5675

i7-4790K
Test#1 (Integers)
53.23k
65.48k (x1.23)
Test#2 (FP)
39.35k
63.29k (x1.61)
Test#3 (Generic, ZIP)
27.05k
27.93k (x1.03)
Test#1 (Memory)
5.28k
7.84k (x1.48)
TOTAL
124.92k
164.54k (x1.32)

Performance/W
X5675
i7-4790K
Test#1 (Integers)
560 points/W
744 points/W
Test#2 (FP)
414 points/W
719 points/W
Test#3 (Generic, ZIP)
285 points/W
317 points/W
Test#1 (Memory)
56 points/W
89 points/W
TOTAL
1315 points/W
1870 points/W

Performance/GHz
X5675
i7-4790K
Test#1 (Integers)
2529 points/GHz
3546 points/GHz
Test#2 (FP)
1679 points/GHz
3163 points/GHz
Test#3 (Generic, ZIP)
1001 points/GHz
1392 points/GHz
Test#1 (Memory)
860 points/GHz
1137 points/GHz
TOTAL
6070 points/GHz
9238 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