i7-12700K vs i7-6785R

Primary details

Comparing Core i7-6785R and Core i7-12700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	239
Place by popularity	not in top-100	57
Cost-effectiveness evaluation	no data	39.98
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	Intel Core i7
Power efficiency	no data	16.49
Architecture codename	Skylake (2015−2016)	Alder Lake, Golden Cove, Gracemont (2021)
Release date	3 May 2016 (8 years ago)	4 November 2021 (3 years ago)
Launch price (MSRP)	$370	$409

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6785R and Core i7-12700K 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	8	20
Base clock speed	3.3 GHz	3.6 GHz
Boost clock speed	3.9 GHz	5 GHz
Bus type	DMI 3.0	DMI 4.0
Bus rate	4 × 8 GT/s	8 × 16 GT/s
Multiplier	33	36
L1 cache	64 KB (per core)	80K (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	8 MB (shared)	25 MB (shared)
Chip lithography	14 nm	10 nm
Die size	no data	215.25 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	71 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i7-6785R and Core i7-12700K 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 (Uniprocessor)	1
Socket	FCBGA1440	FCLGA1700
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6785R and Core i7-12700K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Core i7-6785R and Core i7-12700K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6785R and Core i7-12700K are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6785R and Core i7-12700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866/2133, DDR3L-1333/1600	DDR4, DDR5
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	76.805 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics 580	Intel UHD Graphics 770
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	1.15 GHz	1.5 GHz
Execution Units	no data	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-6785R and Core i7-12700K integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-6785R and Core i7-12700K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-6785R and Core i7-12700K integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-6785R and Core i7-12700K.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	20

Pros & cons summary

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Integrated graphics card	4.77	6.15
Recency	3 May 2016	4 November 2021
Physical cores	4	12
Threads	8	20
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	125 Watt

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