CPUBoss Review Our evaluation of 4771 vs 4770K among desktop CPUs (over 75W)

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

9.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4770K 

CPUBoss recommends the Intel Core i7 4770K  based on its performance and value.

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VS
Front view of Intel Core i7 4770K

Intel Core i7 4770K

CPUBoss Winner

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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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jul, 2013 vs Jun, 2013 Release date 3 weeks later
Front view of Intel Core i7 4770K

Reasons to consider the
Intel Core i7 4770K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly better turbo clock speed 1,250 MHz vs 1,200 MHz Around 5% better turbo clock speed
Better fire strike score 883 vs 814 Around 10% better fire strike score
Better performance per dollar 4.3 pt/$ vs 3.22 pt/$ Around 35% better performance per dollar
Better performance per watt 12.33 pt/W vs 11.59 pt/W More than 5% better performance per watt

Benchmarks Real world tests of Core i7 4771 vs 4770K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4771
15.87 mHash/s
Core i7 4770K
16.33 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4771
1.67 fps
Core i7 4770K
1.97 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Sky Diver Data courtesy FutureMark

Cloud Gate Data courtesy FutureMark

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 4771
13,089
Core i7 4770K
14,351

3D Mark 11 (Physics)

Specifications Full list of technical specs

summary

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

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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
DDR3L-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

details

Core i7 4771  vs
4770K 
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 1,250 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 11.59 pt/W 12.33 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 4770K
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Comments

Showing 1 comment.
This processor overheats at high work. (without OC)
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