Intel Core i7-3960X Extreme Edition vs Intel Core i9-13900KS

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Core i7-3960X Extreme Edition compared with Core i9-13900KS

	IntelCore i7-3960X Extreme Edition	IntelCore i9-13900KS
Overview
Released
Released	November 2011	January 2023
Cores and clocks
Cores
Cores	6	24 (8 performance, 16 efficiency) (better)
Threads
Threads	12	32 (better)
Base clock
Base clock	3.3 GHz	3.2 GHz
Boost clock
Boost clock	3.9 GHz	6 GHz (better)
L3 cache
L3 cache	15 MB	36 MB (better)
Cores
Cores	Six cores and twelve threads with Hyper-Threading; fully unlocked multiplier confirmed by Intel’s exact product brief. Intel states that VT-d requires C2 stepping.	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores
Clocks
Clocks	3.30 GHz base and up to 3.90 GHz Turbo Boost 2.0. Intel gives Q4 2011; EE Times’ contemporary 14 November report quotes Intel confirming the exact model is available now. Newegg’s earlier listing date alone does not establish sale.	P-core base 3.2 GHz and turbo 5.4 GHz; E-core base 2.4 GHz and turbo 4.3 GHz; Turbo Boost Max 3.0 5.8 GHz; Thermal Velocity Boost up to 6 GHz
Cache
Cache	15 MB shared L3 cache.	32 MB L2 cache
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	Intel’s exact-model Extreme Edition chart lists no processor graphics.	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock
Platform
Socket
Socket	LGA2011	LGA1700
Base power
Base power	130 W	150 W
Maximum power
Maximum power	–	253 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	–
Memory support
Memory support	Up to 64 GB across four DDR3-1066/1333/1600 channels; maximum 51.2 GB/s bandwidth, without ECC.	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	40 PCIe 2.0 lanes in Intel’s current exact specification page.	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	–	Intel recommends Z790 or Z690 with the latest BIOS
Process
Process	32 nm; Sandy Bridge-E. Package 52.5 × 45.0 mm; Intel’s 66.8°C limit is TCASE, not junction temperature.	Intel 7
Cooler
Cooler	Intel explicitly says the boxed product has no fan or heatsink. Requires separate LGA2011-compatible cooling; the original product brief names X79.	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.