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Core i7-950 vs Xeon E5472


Description
The i7-950 is based on Westmere architecture while the E5472 is based on Core.

Using the multithread performance as a reference, the i7-950 gets a score of 76.3 k points while the E5472 gets 48.6 k points.

Summarizing, the i7-950 is 1.6 times faster than the E5472. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
106a5
10676
Core
Bloomfield
Harpertown
Architecture
Base frecuency
3.066 GHz
3 GHz
Boost frecuency
3.333 GHz
3 GHz
Socket
LGA 1366
LGA-771
Cores/Threads
4/4
4/4
TDP
130 W
80 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
256 kB
2x6144 kB
Cache L3
8192 kB
kB
Date
June 2009
November 2007
Mean monothread perf.
19.46k points
16.62k points
Mean multithread perf.
76.29k points
48.62k 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
i7-950
E5472
Test#1 (Integers)
8.01k
2.88k (x0.36)
Test#2 (FP)
5.38k
6.36k (x1.18)
Test#3 (Generic, ZIP)
3.11k
2.55k (x0.82)
Test#1 (Memory)
2.96k
4.83k (x1.63)
TOTAL
19.46k
16.62k (x0.85)

Multithread

i7-950

E5472
Test#1 (Integers)
31.53k
11.19k (x0.35)
Test#2 (FP)
24.16k
24.85k (x1.03)
Test#3 (Generic, ZIP)
15.84k
10.04k (x0.63)
Test#1 (Memory)
4.75k
2.54k (x0.53)
TOTAL
76.29k
48.62k (x0.64)

Performance/W
i7-950
E5472
Test#1 (Integers)
243 points/W
140 points/W
Test#2 (FP)
186 points/W
311 points/W
Test#3 (Generic, ZIP)
122 points/W
125 points/W
Test#1 (Memory)
37 points/W
32 points/W
TOTAL
587 points/W
608 points/W

Performance/GHz
i7-950
E5472
Test#1 (Integers)
2403 points/GHz
961 points/GHz
Test#2 (FP)
1614 points/GHz
2119 points/GHz
Test#3 (Generic, ZIP)
934 points/GHz
850 points/GHz
Test#1 (Memory)
888 points/GHz
1610 points/GHz
TOTAL
5839 points/GHz
5539 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