CPUBoss Review Our evaluation of 4790K vs 4770R among desktop CPUs

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

10

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its overclocking and value.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher turbo clock speed 4.4 GHz vs 3.9 GHz Around 15% higher turbo clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 4 GHz vs 3.2 GHz Around 25% higher clock speed
Much better performance per dollar 98.26 pt/$ vs 3.66 pt/$ More than 26.8x better performance per dollar
Newer Apr, 2014 vs Apr, 2013 Release date a year later
Better overclocked clock speed (Air) 4.64 GHz vs 3.82 GHz More than 20% better overclocked clock speed (Air)
Higher GPU clock speed 350 MHz vs 200 MHz 75% higher GPU clock speed
Much better overclocked clock speed (Water) 4.8 GHz vs 3.2 GHz Around 50% better overclocked clock speed (Water)
Front view of Intel Core i7 4770R

Reasons to consider the
Intel Core i7 4770R

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Lower typical power consumption 52.81W vs 71.5W More than 25% lower typical power consumption
Lower annual home energy cost 15.66 $/year vs 21.2 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 77.09 $/year More than 25% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 4790K vs 4770R

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4790K
16.1 mHash/s
Core i7 4770R
31.65 mHash/s

CompuBench 1.5 (Face detection)

Core i7 4790K
18.32 mPixels/s
Core i7 4770R
13.17 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4790K
1.79 fps
Core i7 4770R
2.37 fps

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 4790K
5,140,000 MB/s
Core i7 4770R
4,880,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4790K  vs
4770R 
Clock speed 4 GHz 3.2 GHz
Turbo clock speed 4.4 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked Yes No

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 88W 65W
Annual home energy cost 21.2 $/year 15.66 $/year
Annual commercial energy cost 77.09 $/year 56.94 $/year
Performance per watt 11.41 pt/W 20.17 pt/W
Typical power consumption 71.5W 52.81W

bus

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

details

Core i7 4790K  vs
4770R 
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 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 74.04°C Unknown - 66.45°C

overclocking

Overclocked clock speed 4.64 GHz 3.82 GHz
Overclocked clock speed (Water) 4.8 GHz 3.2 GHz
PassMark (Overclocked) 6,925.3 3,694.7
Overclocked clock speed (Air) 4.64 GHz 3.82 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 Intel® Iris™ Pro Graphics 5200
Number of displays supported 3 3
GPU clock speed 350 MHz 200 MHz
Turbo clock speed 1,250 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 4790K
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Intel Core i7 4770R
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