Intel Core i7-860 vs Intel Core i7-950

Every spec side by side, from each maker's published figures.

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Core i7-860 compared with Core i7-950

	IntelCore i7-860	IntelCore i7-950
Overview
Released
Released	September 2009	June 2009
Cores and clocks
Cores
Cores	4	4
Threads
Threads	8	8
Base clock
Base clock	2.8 GHz	3.06 GHz
Boost clock
Boost clock	3.46 GHz (better)	3.33 GHz
L3 cache
L3 cache	8 MB	8 MB
Cores
Cores	Four cores and eight threads with Hyper-Threading. Alphr’s exact review explicitly lists the clock multiplier as locked.	Four cores and eight threads with Hyper-Threading. Optional multiplier status is omitted because the maker sources read do not publish it.
Clocks
Clocks	2.80 GHz base; up to 3.46 GHz with one core active, 3.33 GHz with two and 2.93 GHz with four, per Intel’s exact embedded brief. Intel’s 8 September 2009 launch states availability that day and names the 860 in its table.	3.06 GHz base and up to 3.33 GHz Turbo Boost. Intel's comparison chart gives Q2 2009; the June on-sale month is supported by AKIBA PC Hotline's contemporary 3 June retail-sale confirmation. An exact maker sale notice was not found.
Cache
Cache	8 MB shared L3 cache.	8 MB shared L3 cache.
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	Intel’s exact-model comparison chart lists no processor graphics.	Intel's exact-model comparison chart lists no processor graphics.
Platform
Socket
Socket	LGA1156	LGA1366
Base power
Base power	95 W	130 W
Cooler in the box
Cooler in the box	–	Yes
Unlocked
Unlocked	No	–
Memory support
Memory support	Two channels of DDR3-1066/1333 in Intel’s exact embedded product brief.	Three channels of DDR3-800 or DDR3-1066; up to 24 GB in Intel's 45 nm Core i7-900 datasheet. Faster memory used by reviews is not the maker's rated limit.
PCIe
PCIe	16 PCIe 2.0 lanes, configurable as one ×16 or two ×8 links; DMI connects the chipset, according to Intel’s launch and embedded brief.	–
Process
Process	45 nm; Lynnfield. Intel’s launch names the P55 platform.	45 nm; Bloomfield.
Cooler
Cooler	–	Intel's boxed-processor datasheet includes an unattached fan and heatsink. An LGA1366 motherboard is required.