CPUBoss Review Our evaluation of 4771 vs 4770 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

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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Higher clock speed 3.5 GHz vs 3.4 GHz Around 5% higher clock speed
Better PassMark (Single core) score 2,214 vs 2,029 Around 10% better PassMark (Single core) score
Newer Jul, 2013 vs Jun, 2013 Release date 3 weeks later
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

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4771
15.87 mHash/s
Core i7 4770
11.75 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4771
1.67 fps
Core i7 4770
1.65 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 4770
13,074

3D Mark 11 (Physics)

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
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
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 11.59 pt/W 11.02 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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