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Differences What are the advantages of each

Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.5 GHz vs 3 GHz More than 15% higher clock speed
Much higher GPU clock speed 650 MHz vs 200 MHz 3.2x higher GPU clock speed
Front view of Intel Core i5 4670R

Reasons to consider the
Intel Core i5 4670R

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Much lower typical power consumption 52.81W vs 114.97W 2.2x lower typical power consumption
Significantly higher Maximum operating temperature 71.35 °C vs 67.4 °C More than 5% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 42.19 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 112.39 $/year Around 50% lower annual commercial energy cost
Newer Apr, 2013 vs Apr, 2012 Release date 11 months later

Benchmarks Real world tests of Core i7 3770K vs i5 4670R

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 3770K
2,620,000 MB/s
Core i5 4670R
5,020 MB/s

Specifications Full list of technical specs

summary

Core i7 3770K  vs
i5 4670R 
Clock speed 3.5 GHz 3 GHz
Turbo clock speed 3.9 GHz 3.7 GHz
Cores Quad core Quad core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

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 12,800 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Core i7 3770K  vs
i5 4670R 
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 4 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 67.4°C Unknown - 71.35°C

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® Iris™ Pro Graphics 5200
Number of displays supported 3 3
GPU clock speed 650 MHz 200 MHz
Turbo clock speed 1,150 MHz 1,300 MHz

power consumption

TDP 77W 65W
Annual home energy cost 42.19 $/year 15.66 $/year
Annual commercial energy cost 112.39 $/year 56.94 $/year
Performance per watt 4.55 pt/W 2.75 pt/W
Typical power consumption 114.97W 52.81W

bus

Architecture DMI DMI 2.0
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 3770K
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Intel Core i5 4670R
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