CPUBoss Review Our evaluation of 965 vs 3770K 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

7.3

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 965 

CPUBoss recommends the Intel Core i7 965  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i7 965

Reasons to consider the
Intel Core i7 965

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CPUBoss is not aware of any important advantages of the 965 Extreme Edition vs the 3770K.

Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core i7 965 vs 3770K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 965
8,711
Core i7 3770K
13,098

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 965
142,500 MB/s
Core i7 3770K
2,620,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 965
9,119
Core i7 3770K
13,703

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 965
9,158
Core i7 3770K
14,866

GeekBench

Core i7 965
10,840
Core i7 3770K
17,972

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 965  vs
3770K 
Clock speed 3.2 GHz 3.5 GHz
Turbo clock speed 3.46 GHz 3.9 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 1155
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
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 77W
Annual home energy cost 31.32 $/year 42.19 $/year
Annual commercial energy cost 113.88 $/year 112.39 $/year
Performance per watt 1.62 pt/W 4.55 pt/W
Typical power consumption 105.63W 114.97W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,599.99 MB/s 25,600 MB/s
Maximum memory size 24,576 MB 32,768 MB

details

Core i7 965  vs
3770K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 4 MB 1 MB
L2 cache per core 1 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 nm 22 nm
Transistor count 731,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 24 35
Voltage range 0.8 - 1.38V 1.33 - 1.36V
Operating temperature Unknown - 67.9°C Unknown - 67.4°C

overclocking

Overclock popularity 16 332
Overclocked clock speed 4.54 GHz 4.69 GHz
Overclocked clock speed (Water) 3.73 GHz 4.8 GHz
Overclocked clock speed (Air) 4.54 GHz 4.69 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 11.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 6,400 MT/s 5,000 MT/s
Intel Core i7 965
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Intel Core i7 3770K
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