Opteron 156 vs Core i7-6800K

Primary details

Comparing Core i7-6800K and Opteron 156 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	950	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.29	no data
Market segment	Desktop processor	Server
Architecture codename	Broadwell-E (2016)	Venus (2004−2005)
Release date	31 May 2016 (8 years ago)	4 May 2005 (19 years ago)
Launch price (MSRP)	$345	no data
Current price	$196 (0.6x MSRP)	$387

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6800K and Opteron 156 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)	1 (Single-Core)
Threads	12	1
Base clock speed	3.4 GHz	3 GHz
Boost clock speed	3.8 GHz	3 GHz
L1 cache	32 KB (per core)	128 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	15 MB (shared)	0 KB
Chip lithography	14 nm	90 nm
Die size	no data	115 mm2
Maximum core temperature	67°	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	114 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-6800K and Opteron 156 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
Socket	FCLGA2011	939
Power consumption (TDP)	140 Watt	104 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6800K and Opteron 156. 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 i7-6800K and Opteron 156 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 i7-6800K and Opteron 156 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 i7-6800K and Opteron 156. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR1
Maximum memory size	128 GB	no data
Max memory channels	4	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i7-6800K and Opteron 156.

PCIe version	3.0	no data
PCI Express lanes	28	no data

Pros & cons summary

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Recency	31 May 2016	4 May 2005
Physical cores	6	1
Threads	12	1
Chip lithography	14 nm	90 nm
Power consumption (TDP)	140 Watt	104 Watt

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Should you still have questions on choice between Core i7-6800K and Opteron 156, ask them in Comments section, and we shall answer.

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