| | | | | | |

Core i5-450M vs Core Duo T2450


Description
The i5-450M is based on Westmere architecture while the T2450 is based on Mobile.

Using the multithread performance as a reference, the i5-450M gets a score of 29.1 k points while the T2450 gets 11.4 k points.

Summarizing, the i5-450M is 2.6 times faster than the T2450. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
20655
6ec
Core
Arrandale
Yonah
Architecture
Westmere
Base frecuency
2.4 GHz
2 GHz
Boost frecuency
2.667 GHz
2 GHz
Socket
Socket G1
micro FC-PGA 478-pin
Cores/Threads
2/4
2/2
TDP
35 W
W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
2048 kB
Cache L3
3072 kB
kB
Date
June 2010
Mean monothread perf.
12.93k points
6.49k points
Mean multithread perf.
29.1k points
11.37k 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
i5-450M
T2450
Test#1 (Integers)
1.61k
1.04k (x0.64)
Test#2 (FP)
3.8k
1.85k (x0.49)
Test#3 (Generic, ZIP)
2.19k
1.76k (x0.8)
Test#1 (Memory)
1.65k
0.97k (x0.59)
TOTAL
9.25k
5.62k (x0.61)

Multithread

i5-450M

T2450
Test#1 (Integers)
2.91k
1.78k (x0.61)
Test#2 (FP)
5.05k
3.51k (x0.7)
Test#3 (Generic, ZIP)
3.28k
3.05k (x0.93)
Test#1 (Memory)
3.07k
0.94k (x0.3)
TOTAL
14.31k
9.28k (x0.65)

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
i5-450M
T2450
Test#1 (Integers)
5.4k
1.81k (x0.34)
Test#2 (FP)
3.7k
1.96k (x0.53)
Test#3 (Generic, ZIP)
2.06k
1.81k (x0.88)
Test#1 (Memory)
1.77k
0.9k (x0.51)
TOTAL
12.93k
6.49k (x0.5)

Multithread

i5-450M

T2450
Test#1 (Integers)
11.83k
3.41k (x0.29)
Test#2 (FP)
9.39k
3.89k (x0.41)
Test#3 (Generic, ZIP)
5.31k
3.1k (x0.58)
Test#1 (Memory)
2.58k
0.97k (x0.38)
TOTAL
29.1k
11.37k (x0.39)

Performance/W
i5-450M
T2450
Test#1 (Integers)
338 points/W