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Differences What are the advantages of each

Front view of Intel Core i5 750

Reasons to consider the
Intel Core i5 750

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More cores 4 vs 2 Twice as many cores; run more applications at once
Front view of Intel Core i3 530

Reasons to consider the
Intel Core i3 530

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.21 pt/W vs 0.89 pt/W More than 35% better performance per watt
Higher clock speed 2.93 GHz vs 2.66 GHz More than 10% higher clock speed
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower typical power consumption 92.5W vs 122.45W Around 25% lower typical power consumption
Significantly better overclocked clock speed (Air) 4.31 GHz vs 4.13 GHz Around 5% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.9 GHz vs 4.09 GHz Around 20% better overclocked clock speed (Water)
Much lower annual commercial energy cost 88.48 $/year vs 122.73 $/year Around 30% lower annual commercial energy cost
Much lower annual home energy cost 35.3 $/year vs 42.81 $/year Around 20% lower annual home energy cost

Benchmarks Real world tests of Core i5 750 vs i3 530

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 750
6,025
Core i3 530
3,904

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 750
2,013
Core i3 530
1,800

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 750
127,600 MB/s
Core i3 530
123,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 750
5,656
Core i3 530
3,755

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 750
6,332
Core i3 530
4,152

GeekBench

Core i5 750
7,570
Core i3 530
5,758

PassMark Data courtesy Passmark

Core i5 750
3,711
Core i3 530
2,584

PassMark (Single Core)

Core i5 750
1,138
Core i3 530
1,112

Specifications Full list of technical specs

summary

Core i5 750  vs
i3 530 
Clock speed 2.66 GHz 2.93 GHz
Cores Quad core Dual core
Socket type
LGA 1156
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 733 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,773.12 MB

details

Core i5 750  vs
i3 530 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Transistor count 774,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 20 22
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 72.7°C Unknown - 72.6°C

overclocking

Overclock popularity 159 13
Overclocked clock speed 4.13 GHz 4.31 GHz
Overclocked clock speed (Water) 4.09 GHz 4.9 GHz
Overclocked clock speed (Air) 4.13 GHz 4.31 GHz

power consumption

TDP 95W 73W
Annual home energy cost 42.81 $/year 35.3 $/year
Annual commercial energy cost 122.73 $/year 88.48 $/year
Performance per watt 0.89 pt/W 1.21 pt/W
Idle power consumption 69.5W 67W
Peak power consumption 140.1W 101W
Typical power consumption 122.45W 92.5W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s
Intel Core i5 750
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Intel Core i3 530
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