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Differences What are the advantages of each

Front view of Intel Core i7 4950HQ

Reasons to consider the
Intel Core i7 4950HQ

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Significantly lower typical power consumption 38.19W vs 68.25W Around 45% lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 72.72 °C Around 40% higher Maximum operating temperature
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better turbo clock speed 1,300 MHz vs 1,250 MHz Around 5% better turbo clock speed
Significantly lower annual home energy cost 11.32 $/year vs 20.24 $/year Around 45% lower annual home energy cost
Significantly lower annual commercial energy cost 41.17 $/year vs 73.58 $/year Around 45% lower annual commercial energy cost
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 higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.6 GHz Around 10% higher turbo clock speed
Higher GPU clock speed 350 MHz vs 200 MHz 75% higher GPU clock speed
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much better overclocked clock speed (Water) 4.55 GHz vs 2.4 GHz Around 90% better overclocked clock speed (Water)

Features Key features of the Core i7 4950HQ  vs 4770K 

clock speed

Core i7 4950HQ
2.4 GHz
Core i7 4770K
3.5 GHz

turbo clock speed

Core i7 4950HQ
3.6 GHz
Core i7 4770K
3.9 GHz

L2 cache

gpu clock speed

Core i7 4950HQ
200 MHz
Core i7 4770K
350 MHz

overclocked clock speed (air)

Core i7 4950HQ
4.4 GHz
Core i7 4770K
4.48 GHz

overclocked clock speed (water)

Core i7 4950HQ
2.4 GHz
Core i7 4770K
4.55 GHz

Specifications Full list of technical specs

summary

Core i7 4950HQ  vs
4770K 
Clock speed 2.4 GHz 3.5 GHz
Turbo clock speed 3.6 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

power consumption

TDP 47W 84W
Annual home energy cost 11.32 $/year 20.24 $/year
Annual commercial energy cost 41.17 $/year 73.58 $/year
Typical power consumption 38.19W 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 4950HQ  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 6 MB 8 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 72.72°C

overclocking

Overclocked clock speed 4.4 GHz 4.48 GHz
Overclocked clock speed (Water) 2.4 GHz 4.55 GHz
Overclocked clock speed (Air) 4.4 GHz 4.48 GHz

integrated graphics

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3L-1333
DDR3
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
Intel Core i7 4950HQ
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Intel Core i7 4770K
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