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the only difference i can think of is

3570k is unlocked (overclockable)

3570 is locked (cannot overclock)

 

3570k is unlocked (overclockable)

3570 is partially locked (can overclock to a small extend +x4 Mutliplier)

 

 

edit:

base up to 3.8Ghz

Turbo on 4 cores -> 3.9 Ghz

Turbo on 3 cores -> 4.0 Ghz

Turbo on 2 cores -> 4.1 Ghz

Turbo on 1 cores -> 4.2 Ghz

Mini-Desktop: NCASE M1 Build Log
Mini-Server: M350 Build Log

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yep that's correct you can overclock with a k cpu and you can't with a non k

wrong, you can oc with a non k unit but its limited

Specs

CPU: i5 4670k i won the silicon lottery Cooler: Corsair H100i w/ 2x Corsair SP120 quiet editions Mobo: ASUS Z97 SABERTOOTH MARK 1 Ram: Corsair Platnums 16gb (4x4gb) Storage: Samsun 840 evo 256gb and random hard drives GPU: EVGA acx 2.0 gtx 980 PSU: Corsair RM 850w Case: Fractal Arc Midi R2 windowed 

 

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3570k is unlocked (overclockable)

3570 is partially locked (can overclock to a small extend +x4 Mutliplier)

3570 is completely locked. that extra multiplier you see is the turbo clock, Whether you turn that up or not makes 0 difference.

CPU: Intel Core i7 2600k | Mootherboard: ASUS P8z68v-Pro | GPU: EVGA GTX780Ti 3GB | RAM: Kingston HyperX Genesis 8GB (4GBx2) 1600mhz | PSU: Corsair AX760 | STORAGE: Samsung 840 Pro 512GB | COOLER: Noctua NH-C14 | CASE: Fractal Design Define R4 Pearl Black | Operating SystemWindows 7 Professional 64-bit |

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K series processors are fully unlocked, but non-k series processors are partially locked.

Main rig on profile

VAULT - File Server

Spoiler

Intel Core i5 11400 w/ Shadow Rock LP, 2x16GB SP GAMING 3200MHz CL16, ASUS PRIME Z590-A, 2x LSI 9211-8i, Fractal Define 7, 256GB Team MP33, 3x 6TB WD Red Pro (general storage), 5x 8TB WD White Label/Red (Plex) (both arrays in their respective Windows Parity storage spaces), 1TB Teamgroup MP33 (dumping ground) Corsair RM750x, TrueNAS Scale

Sleeper HP Pavilion A6137C

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Intel Core i7 6700K @ 4.4GHz, 4x8GB G.SKILL Ares 1800MHz CL10, ASUS Z170M-E D3, 128GB Team MP33, 1TB Seagate Barracuda, MSI GTX 970 100ME, EVGA 650G1, Windows 11 Pro

OptiPlex 7040M

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Intel Core i7 6700, 2x16GB Mushkin Redline (stuck at 2133MHz CL13), 240GB Corsair MP510, 2TB Seagate Barracuda 2.5", 130w Dell power brick, Windows 11 Pro

Mac Mini (Late 2020)

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Apple M1, 8GB RAM, 256GB, macOS Sonoma

Consoles: Steam Deck LCD (512GB), Softmodded 1.4 Xbox w/ 500GB HDD, Xbox 360 Elite 120GB Falcon, XB1X w/2TB MX500, Xbox Series X, PS1 1001, PS2 Slim 70000 w/ FreeMcBoot, PS4 Pro 7015B 1TB, PS5 Digital, Nintendo Switch OLED, Nintendo Wii RVL-001 (black)

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3570 is completely locked. that extra multiplier you see is the turbo clock, Whether you turn that up or not makes 0 difference.

Half right, technically the max clock on that turbo is the single core threshold. So only goes to 3.8GHz when 1 core is in use, you can make it run at max turbo on all cores. 

 

:)

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Even my i5-3475S which is factory 'underclocked' to 2.9 Ghz can be overclocked to 4.0 GHz on a single core (3.9 on 2 cores / 3.8 on 3 cores / 3.7 on 4 cores)

 

The CPU multiplier changes dinammically anyway ... while surfing LTT it stays at 1.6Ghz - 1.8Ghz.

Not that I really care ...

Mini-Desktop: NCASE M1 Build Log
Mini-Server: M350 Build Log

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