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Differences What are the advantages of each

Front view of Intel Core i7 870

Reasons to consider the
Intel Core i7 870

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CPUBoss is not aware of any important advantages of the Core i7 870 vs the Core i5 3470.

Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core i7 870 vs i5 3470

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 870
142,100 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 870
8,534
Core i5 3470
10,031

GeekBench

Core i7 870
10,143
Core i5 3470
12,141

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core i7 870  vs
i5 3470 
Clock speed 2.93 GHz 3.2 GHz
Turbo clock speed 3.6 GHz 3.6 GHz
Cores Quad core Quad core
Socket type
LGA 1156
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 95W 77W
Annual home energy cost 42.57 $/year 31.22 $/year
Annual commercial energy cost 120.89 $/year 84.62 $/year
Performance per watt 1.11 pt/W 4.41 pt/W
Idle power consumption 70W 54.4W
Peak power consumption 138W 96.6W
Typical power consumption 121W 86.05W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 870  vs
i5 3470 
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 45 nm 22 nm
Transistor count 774,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 22 32
Voltage range 0.65 - 1.4V Unknown - 1.13V
Operating temperature Unknown - 72.7°C Unknown - 67.4°C

overclocking

Overclock popularity 37 22
Overclocked clock speed 4.1 GHz 3.67 GHz
Overclocked clock speed (Water) 4.28 GHz 4.09 GHz
Overclocked clock speed (Air) 4.1 GHz 3.67 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 32,768 MB
Intel Core i7 870
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Intel Core i5 3470
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