CPUBoss Review Our evaluation of 4771 vs 4770

Performance

Benchmark performance using all cores

Passmark

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Unlocked

Value

Are you paying a premium for performance?

Performance Per Dollar

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core i7 4771

Reasons to consider the
Intel Core i7 4771

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Better PassMark (Single core) score 2,236 vs 2,029 More than 10% better PassMark (Single core) score
Better performance per watt 16.92 pt/W vs 15.02 pt/W Around 15% better performance per watt
Slightly better performance per dollar 4.51 pt/$ vs 4.07 pt/$ More than 10% better performance per dollar
Front view of Intel Core i7 4770

Reasons to consider the
Intel Core i7 4770

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Slightly higher Maximum Operating Temperature 72.72 °C vs 72 °C Almost the same

Benchmarks Real world tests of Core i7 4771 vs 4770

Passmark

Core i7 4771 Core i7 4770 @ cpubenchmark.net

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4771  vs
4770 
Clock speed 3.5 GHz 3.4 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked No No
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
Supplemental SSE3
SSE4.1
SSE4
AVX 2.0
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 84W 84W
Annual home energy cost 20.24 $/year 20.24 $/year
Annual commercial energy cost 73.58 $/year 73.58 $/year
Performance per watt 16.92 pt/W 15.02 pt/W
Typical power consumption 68.25W 68.25W

bus

Architecture DMI DMI
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4771  vs
4770 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nms 22 nms
Max CPUs 1 1
Operating temperature Unknown - 72°C Unknown - 72.72°C

gpu

GPU GPU GPU
Label Intel HD Graphics 4600 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,200 MHz 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
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 4771
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Intel Core i7 4770
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Comments

Showing 1 comment.
The author calls the price difference $15, but the listed price at the top of the page puts the price difference at $27; as does my local Amazon store. so, its not a $15 difference, and will affect the choice a customer has?
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