CPUBoss Review Our evaluation of 3450 vs 2500K

Performance

Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i5 2500K 

CPUBoss recommends the Intel Core i5 2500K  based on its overclocking.

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VS
Front view of Intel Core i5 2500K

Intel Core i5 2500K

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i5 3450

Reasons to consider the
Intel Core i5 3450

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Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Significantly lower typical power consumption 62.56W vs 112.55W Around 45% lower typical power consumption
Better performance per watt 11.66 pt/W vs 6.08 pt/W More than 90% better performance per watt
Better performance per dollar 4.1 pt/$ vs 2.62 pt/$ More than 55% better performance per dollar
Much lower annual home energy cost 18.55 $/year vs 41.29 $/year 2.2x lower annual home energy cost
Marginally newer Apr, 2012 vs Jan, 2011 Release date over 1 years later
Significantly lower annual commercial energy cost 67.45 $/year vs 110.03 $/year Around 40% lower annual commercial energy cost
Front view of Intel Core i5 2500K

Reasons to consider the
Intel Core i5 2500K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher turbo clock speed 3.7 GHz vs 3.5 GHz More than 5% higher turbo clock speed
Higher clock speed 3.3 GHz vs 3.1 GHz More than 5% higher clock speed
Higher GPU clock speed 850 MHz vs 650 MHz More than 30% higher GPU clock speed
Significantly better overclocked clock speed (Air) 5.03 GHz vs 3.8 GHz More than 30% better overclocked clock speed (Air)
Higher Maximum Operating Temperature 72.6 °C vs 67.4 °C Around 10% higher Maximum Operating Temperature
Significantly better overclocked clock speed (Water) 5.1 GHz vs 3.57 GHz Around 45% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i5 3450 vs 2500K

GeekBench (32-bit)

GeekBench (64-bit)

GeekBench

Core i5 3450
11,918
Core i5 2500K
13,624

3D Mark 11 (Physics)

Core i5 3450 Core i5 2500K @ community.futuremark.com

Passmark

Core i5 3450 Core i5 2500K @ cpubenchmark.net

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3450  vs
2500K 
Clock speed 3.1 GHz 3.3 GHz
Turbo clock speed 3.5 GHz 3.7 GHz
Cores Quad core Quad core
Socket type
LGA 1155
Is unlocked No Yes
Is hyperthreaded No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
Supplemental SSE3
SSE4.1
AES
Supports dynamic frequency scaling Yes Yes

gpu

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 3000
Latest DirectX 11.0 10.1
Number of displays supported 3 2
GPU clock speed 650 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Core i5 3450  vs
2500K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nms 32 nms
Transistor count 1,400,000,000 1,160,000,000
Max CPUs 1 1
Clock multiplier 31 33
Voltage range Unknown - 1.2V 1.2 - 1.5V
Operating temperature Unknown - 67.4°C 5 - 72.6°C

overclocking

Overclock popularity 12 3,179
Overclocked clock speed 3.8 GHz 5.03 GHz
Overclocked clock speed (Water) 3.57 GHz 5.1 GHz
Overclocked clock speed (Air) 3.8 GHz 5.03 GHz

power consumption

TDP 77W 95W
Annual home energy cost 18.55 $/year 41.29 $/year
Annual commercial energy cost 67.45 $/year 110.03 $/year
Performance per watt 11.66 pt/W 6.08 pt/W
Typical power consumption 62.56W 112.55W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i5 3450
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Intel Core i5 2500K
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