Core i7-3960X Extreme Edition vs Core i7-7800X

Primary details

Comparing Core i7-7800X and Core i7-3960X Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	856	1069
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.47	1.23
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	Intel Core i7EE
Architecture codename	Skylake (server) (2017−2019)	Sandy Bridge (2011−2013)
Release date	26 June 2017 (7 years ago)	14 November 2011 (12 years ago)
Launch price (MSRP)	$389	no data
Current price	$287 (0.7x MSRP)	$350

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-7800X has 426% better value for money than i7-3960X Extreme Edition.

Detailed specifications

Core i7-7800X and Core i7-3960X Extreme Edition basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	6 (Hexa-Core)	6 (Hexa-Core)
Threads	12	12
Base clock speed	3.5 GHz	no data
Boost clock speed	4 GHz	3.3 GHz
Bus support	4 × 8 GT/s	5 GT/s
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (per core)	1,536 KB
L3 cache	8.25 MB (shared)	15 MB
Chip lithography	14 nm	32 nm
Die size	no data	434.72 mm220.9 mm × 20.8 mm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	2270 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-7800X and Core i7-3960X Extreme Edition compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	FCLGA2066	no data
Power consumption (TDP)	140 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core i7-3960X Extreme Edition. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Status	Discontinued	no data

Security technologies

Core i7-7800X and Core i7-3960X Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Core i7-3960X Extreme Edition are enumerated here.

VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core i7-3960X Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	no data
Maximum memory size	128 GB	64 GB
Max memory channels	4	no data
Maximum memory bandwidth	77 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core i7-3960X Extreme Edition.

PCIe version	3.0	2.00
PCI Express lanes	28	40

Pros & cons summary

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Performance score	8.33	5.75
Recency	26 June 2017	14 November 2011
Chip lithography	14 nm	32 nm
Power consumption (TDP)	140 Watt	130 Watt

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