CPUBoss Review Our evaluation of 920 vs 4770


Benchmark performance using all cores


Single-core Performance

Individual core benchmark performance

Passmark (Single Core)


How much speed can you get out of the processor?

Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 1 more


Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Intel Core i7 4770 

CPUBoss recommends the Intel Core i7 4770  based on its .

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Front view of Intel Core i7 4770

Intel Core i7 4770

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 920

Reasons to consider the
Intel Core i7 920

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Better overclocked clock speed (Air) 4.23 GHz vs 3.86 GHz Around 10% better overclocked clock speed (Air)
Front view of Intel Core i7 4770

Reasons to consider the
Intel Core i7 4770

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Much higher turbo clock speed 3.9 GHz vs 2.93 GHz Around 35% higher turbo clock speed
Newer manufacturing process 22 nms vs 45 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly higher clock speed 3.4 GHz vs 2.66 GHz Around 30% higher clock speed
Much lower typical power consumption 68.25W vs 135.63W Around 50% lower typical power consumption
Much better PassMark (Single core) score 2,029 vs 1,128 Around 80% better PassMark (Single core) score
Significantly better PassMark score 9,523 vs 5,007 More than 90% better PassMark score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 14.76 pt/W vs 4.34 pt/W Around 3.5x better performance per watt
Marginally newer Jun, 2013 vs Oct, 2008 Release date over 4 years later
Significantly better performance per dollar 4.2 pt/$ vs 2.18 pt/$ More than 90% better performance per dollar
Higher Maximum Operating Temperature 72.72 °C vs 67.9 °C More than 5% higher Maximum Operating Temperature
Much lower annual home energy cost 20.24 $/year vs 48.38 $/year 2.4x lower annual home energy cost
Significantly lower annual commercial energy cost 73.58 $/year vs 134.55 $/year More than 45% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 920 vs 4770


Core i7 920 Core i7 4770 @ cpubenchmark.net

Passmark (Single Core)

Specifications Full list of technical specs


Core i7 920  vs
Clock speed 2.66 GHz 3.4 GHz
Turbo clock speed 2.93 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked No No
Is hyperthreaded Yes Yes


Has a NX bit Yes Yes
Supports trusted computing No Yes
Has vitualization support Yes Yes
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes


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 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
Channels Triple Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,599.99 MB/s 25,600 MB/s


Core i7 920  vs
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 45 nms 22 nms
Max CPUs 1 1
Operating temperature Unknown - 67.9°C Unknown - 72.72°C


Overclocked clock speed 4.23 GHz 3.86 GHz
Overclocked clock speed (Water) 4.42 GHz 4.19 GHz
PassMark (Overclocked) 3,419.4 3,086.9
Overclocked clock speed (Air) 4.23 GHz 3.86 GHz

power consumption

TDP 130W 84W
Annual home energy cost 48.38 $/year 20.24 $/year
Annual commercial energy cost 134.55 $/year 73.58 $/year
Performance per watt 4.34 pt/W 14.76 pt/W
Typical power consumption 135.63W 68.25W


Architecture QPI DMI
Number of links 1 0
Transfer rate 4,800 MT/s 5,000 MT/s
Intel Core i7 920
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Intel Core i7 4770
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