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Core i7-870 vs Core 2 Duo E7200


Description
The i7-870 is based on Nehalem architecture while the E7200 is based on Core.

Using the multithread performance as a reference, the i7-870 gets a score of 67.1 k points while the E7200 gets 25.2 k points.

Summarizing, the i7-870 is 2.7 times faster than the E7200 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
106e5
10676
Core
Lynnfield
Wolfdale
Architecture
Base frecuency
2.933 GHz
2.533 GHz
Boost frecuency
3.6 GHz
2.533 GHz
Socket
LGA 1156
LGA 775
Cores/Threads
4/8
2/2
TDP
95 W
65 W
Cache L1 (d+i)
4x32+4x32 kB
32+32 kB
Cache L2
4x256 kB
3072 kB
Cache L3
8192 kB
0 kB
Date
September 2009
April 2008
Mean monothread perf.
18.13k points
13.46k points
Mean multithread perf.
67.13k points
25.21k 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
i7-870
E7200
Test#1 (Integers)
1.98k
2.33k (x1.17)
Test#2 (FP)
4.36k
5.96k (x1.37)
Test#3 (Generic, ZIP)
2.24k
2.5k (x1.12)
Test#1 (Memory)
2.72k
1.45k (x0.53)
TOTAL
11.3k
12.23k (x1.08)

Multithread

i7-870

E7200
Test#1 (Integers)
4.46k
4.65k (x1.04)
Test#2 (FP)
13.95k
11.87k (x0.85)
Test#3 (Generic, ZIP)
7.54k
5.01k (x0.66)
Test#1 (Memory)
1.7k
1.23k (x0.73)
TOTAL
27.65k
22.76k (x0.82)

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
i7-870
E7200
Test#1 (Integers)
7.43k
2.93k (x0.39)
Test#2 (FP)
4.96k
6.48k (x1.31)
Test#3 (Generic, ZIP)
2.7k
2.6k (x0.96)
Test#1 (Memory)
3.04k
1.45k (x0.48)
TOTAL
18.13k
13.46k (x0.74)

Multithread

i7-870

E7200
Test#1 (Integers)
27.58k
5.85k (x0.21)
Test#2 (FP)
21.84k
12.91k (x0.59)
Test#3 (Generic, ZIP)
13.55k
5.22k (x0.39)
Test#1 (Memory)
4.16k
1.23k (x0.3)
TOTAL
67.13k
25.21k (x0.38)

Performance/W
i7-870
E7200
Test#1 (Integers)
290 points/W
90 points/W
Test#2 (FP)
230 points/W
199 points/W
Test#3 (Generic, ZIP)
143 points/W
80 points/W
Test#1 (Memory)
44 points/W
19 points/W
TOTAL
707 points/W
388 points/W

Performance/GHz
i7-870
E7200
Test#1 (Integers)
2063 points/GHz
1155 points/GHz
Test#2 (FP)
1379 points/GHz
2558 points/GHz
Test#3 (Generic, ZIP)
750 points/GHz
1028 points/GHz
Test#1 (Memory)
845 points/GHz
574 points/GHz
TOTAL
5037 points/GHz
5315 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