CPUBoss Review Our evaluation of 4820K 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

9.2

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4770K 

CPUBoss recommends the Intel Core i7 4770K  based on its power consumption.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 4820K

Reasons to consider the
Intel Core i7 4820K

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Higher clock speed 3.7 GHz vs 3.5 GHz More than 5% higher clock speed
More l3 cache 10 MB vs 8 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Better overclocked clock speed (Air) 4.63 GHz vs 4.47 GHz Around 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.71 GHz vs 4.53 GHz Around 5% better overclocked clock speed (Water)
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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Much lower typical power consumption 68.25W vs 105.63W More than 35% lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better cinebench r10 32Bit 1-core score 7,718 vs 6,911 More than 10% better cinebench r10 32Bit 1-core score
Much better geekbench 3 AES single core score 4,810,000 MB/s vs 2,500,000 MB/s More than 90% better geekbench 3 AES single core score
Significantly higher Maximum operating temperature 72.72 °C vs 66.8 °C Around 10% higher Maximum operating temperature
Much lower annual home energy cost 20.24 $/year vs 31.32 $/year More than 35% lower annual home energy cost
Much lower annual commercial energy cost 73.58 $/year vs 113.88 $/year More than 35% lower annual commercial energy cost
Better performance per watt 12.03 pt/W vs 8.68 pt/W Around 40% better performance per watt
Better cinebench r10 32Bit score 30,095 vs 27,033 More than 10% better cinebench r10 32Bit score
Better geekbench 3 Multi-Core score 14,184 vs 13,311 More than 5% better geekbench 3 Multi-Core score

Benchmarks Real world tests of Core i7 4820K vs 4770K

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 4820K
2,500,000 MB/s
Core i7 4770K
4,810,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4820K  vs
4770K 
Clock speed 3.7 GHz 3.5 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No 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

power consumption

TDP 130W 84W
Annual home energy cost 31.32 $/year 20.24 $/year
Annual commercial energy cost 113.88 $/year 73.58 $/year
Performance per watt 8.68 pt/W 12.03 pt/W
Typical power consumption 105.63W 68.25W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4820K  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 10 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 66.8°C Unknown - 72.72°C

overclocking

Overclocked clock speed 4.63 GHz 4.47 GHz
Overclocked clock speed (Water) 4.71 GHz 4.53 GHz
PassMark (Overclocked) 5,294.9 6,694.4
Overclocked clock speed (Air) 4.63 GHz 4.47 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Quad Channel Dual Channel
Supports ECC No No
Maximum bandwidth 59,733.32 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 32,768 MB
Intel Core i7 4820K
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Intel Core i7 4770K
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