CPUBoss Review Our evaluation of 4771 vs 4770

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

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i7 4771 

CPUBoss recommends the Intel Core i7 4771  based on its .

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VS

Intel Core i7 4771

CPUBoss Winner
Front view of Intel Core i7 4771

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 2,224 vs 2,029 Around 10% better PassMark (Single core) score
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

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 4771
13,089
Core i7 4770
13,074

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 4771
14,457
Core i7 4770
14,063

GeekBench

Core i7 4771
14,457
Core i7 4770
14,063

3D Mark 11 (Physics)

PassMark Data courtesy PassMark

PassMark (Single Core) Data courtesy PassMark

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

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
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 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB

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 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 72°C Unknown - 72.72°C

integrated graphics

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

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 15.69 pt/W 14.39 pt/W
Typical power consumption 68.25W 68.25W

bus

Architecture DMI DMI 2.0
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s
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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