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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 i5 650

Reasons to consider the
Intel Core i5 650

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Much higher clock speed 3.2 GHz vs 2.66 GHz More than 20% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Core i5 750 vs 650

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 750
6,025
Core i5 650
4,709

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 750
2,013
Core i5 650
2,168

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 750
127,600 MB/s
Core i5 650
1,550,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 750
5,656
Core i5 650
4,675

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 750
6,332
Core i5 650
4,902

GeekBench

Core i5 750
7,570
Core i5 650
6,669

PassMark Data courtesy Passmark

Core i5 750
3,711
Core i5 650
3,116

PassMark (Single Core)

Core i5 750
1,138
Core i5 650
1,319

Specifications Full list of technical specs

summary

Core i5 750  vs
650 
Clock speed 2.66 GHz 3.2 GHz
Turbo clock speed 3.2 GHz 3.46 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 Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 73W
Annual home energy cost 42.81 $/year 37.54 $/year
Annual commercial energy cost 122.73 $/year 96.89 $/year
Performance per watt 0.89 pt/W 4.67 pt/W
Idle power consumption 69.5W 69.1W
Peak power consumption 140.1W 110.6W
Typical power consumption 122.45W 100.22W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s

details

Core i5 750  vs
650 
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 24
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 72.7°C Unknown - 72.6°C

overclocking

Overclock popularity 159 21
Overclocked clock speed 4.13 GHz 4.31 GHz
Overclocked clock speed (Water) 4.06 GHz 3.2 GHz
Overclocked clock speed (Air) 4.13 GHz 4.31 GHz

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
Intel Core i5 750
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Intel Core i5 650
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