CPUBoss Review Our evaluation of 4771 vs 4770K

Performance

Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Unlocked

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i7 4770K 

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

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VS
Front view of Intel Core i7 4770K

Intel Core i7 4770K

CPUBoss Winner

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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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per watt 16.92 pt/W vs 13.43 pt/W More than 25% better performance per watt
Better performance per dollar 4.51 pt/$ vs 3.6 pt/$ More than 25% better performance per dollar
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
Better turbo clock speed 1,250 MHz vs 1,200 MHz Around 5% better turbo clock speed
Better geekbench (64-bit) score 15,957 vs 14,374 More than 10% better geekbench (64-bit) score

Benchmarks Real world tests of Core i7 4771 vs 4770K

GeekBench (32-bit)

Core i7 4771
12,986
Core i7 4770K
14,372

GeekBench (64-bit)

Core i7 4771
14,374
Core i7 4770K
15,957

GeekBench

Core i7 4771
14,374
Core i7 4770K
18,498

3D Mark 11 (Physics)

Core i7 4771 Core i7 4770K @ community.futuremark.com
Futuremark 3DMark has three primary benchmark tests that you can run and which test you should be running depends on the system that you are benchmarking on.
Core i7 4770K | by Legit Reviews (Jun, 2013)

Passmark

Core i7 4771 Core i7 4770K @ cpubenchmark.net
If you look closer at the results for Cloud Gate you'll see that AMD won in the graphics tests, but lost in the Physics test, so Futuremark 3DMark must have more weight on the physics test than the GPU test in this test scenario.
Core i7 4770K | by Legit Reviews (Jun, 2013)

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4771  vs
4770K 
Clock speed 3.5 GHz 3.5 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked No Yes
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
FMA3
SSE2
EM64T
F16C
Supplemental SSE3
SSE4.1
SSE4
AVX 2.0
AES
Supports dynamic frequency scaling Yes Yes

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 16.92 pt/W 13.43 pt/W
Typical power consumption 68.25W 68.25W

bus

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

details

Core i7 4771  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 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nms 22 nms
Max CPUs 1 1
Operating temperature Unknown - 72°C Unknown - 72.72°C

gpu

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 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
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
Intel Core i7 4771
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Intel Core i7 4770K
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Comments

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This processor overheats at high work. (without OC)
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