Core 2 Extreme QX6850 vs Core i7-6850K

Primary details

Comparing Core i7-6850K and Core 2 Extreme QX6850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	912	2073
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.87	2.69
Market segment	Desktop processor	Desktop processor
Series	no data	Core 2 Extreme (Desktop)
Architecture codename	Broadwell-E (2016)	Kentsfield (2007)
Release date	31 May 2016 (8 years ago)	no data
Launch price (MSRP)	$475	no data
Current price	$190 (0.4x MSRP)	$385

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-6850K has 44% better value for money than Core 2 Extreme QX6850.

Detailed specifications

Core i7-6850K and Core 2 Extreme QX6850 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)	4 (Quad-Core)
Threads	12	4
Base clock speed	3.6 GHz	no data
Boost clock speed	4 GHz	3 GHz
Bus support	no data	1333 MHz
L1 cache	32 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	15 MB (shared)	no data
Chip lithography	14 nm	65 nm
Maximum core temperature	67°	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-6850K and Core 2 Extreme QX6850 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	no data
Socket	FCLGA2011	no data
Power consumption (TDP)	140 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6850K and Core 2 Extreme QX6850. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i7-6850K and Core 2 Extreme QX6850 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6850K and Core 2 Extreme QX6850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6850K and Core 2 Extreme QX6850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	128 GB	no data
Max memory channels	4	no data
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6850K and Core 2 Extreme QX6850.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core i7-6850K outperforms Core 2 Extreme QX6850 by 401% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	7.42	1.48
Physical cores	6	4
Threads	12	4
Chip lithography	14 nm	65 nm
Power consumption (TDP)	140 Watt	130 Watt

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Should you still have questions on choice between Core i7-6850K and Core 2 Extreme QX6850, ask them in Comments section, and we shall answer.

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