CPUBoss Review Our evaluation of 3770 vs 3450S among desktop CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 3770 

CPUBoss recommends the Intel Core i7 3770  based on its overclocking.

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Differences What are the advantages of each

Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Much higher clock speed 3.4 GHz vs 2.8 GHz More than 20% higher clock speed
Much better turbo clock speed 1,150 MHz vs 1,100 MHz Around 5% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Air) 4.03 GHz vs 3.62 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.32 GHz vs 2.8 GHz Around 55% better overclocked clock speed (Water)
Front view of Intel Core i5 3450S

Reasons to consider the
Intel Core i5 3450S

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Lower typical power consumption 52.81W vs 62.56W More than 15% lower typical power consumption
Higher Maximum operating temperature 69.1 °C vs 67.4 °C Around 5% higher Maximum operating temperature
Lower annual commercial energy cost 56.94 $/year vs 67.45 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 18.55 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Core i7 3770 vs i5 3450S

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 3770
9.07 mHash/s
Core i5 3450S
3.55 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 3770
-1 fps
Core i5 3450S
0.81 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Sky Diver Data courtesy FutureMark

Cloud Gate Data courtesy FutureMark

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3770
2,660,000 MB/s
Core i5 3450S
2,460,000 MB/s

Specifications Full list of technical specs

summary

Core i7 3770  vs
i5 3450S 
Clock speed 3.4 GHz 2.8 GHz
Turbo clock speed 3.9 GHz 3.5 GHz
Cores Quad core Quad core
Socket type
LGA 1155
Is unlocked No No

features

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

power consumption

TDP 77W 65W
Annual home energy cost 18.55 $/year 15.66 $/year
Annual commercial energy cost 67.45 $/year 56.94 $/year
Performance per watt 7.25 pt/W 8.56 pt/W
Typical power consumption 62.56W 52.81W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 3770  vs
i5 3450S 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Transistor count 1,300,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 34 28
Operating temperature Unknown - 67.4°C Unknown - 69.1°C

overclocking

Overclock popularity 8 0
Overclocked clock speed 4.03 GHz 3.62 GHz
Overclocked clock speed (Water) 4.32 GHz 2.8 GHz
Overclocked clock speed (Air) 4.03 GHz 3.62 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics 2500
Latest DirectX 11.x 11.0
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 3770
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Intel Core i5 3450S
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