Core i5-11600K vs Core i7-6785R

Primary details

Comparing Core i7-6785R and Core i5-11600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	561
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	58.50
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	no data
Architecture codename	Skylake (2015−2016)	Rocket Lake (2021)
Release date	22 April 2016 (8 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$370	no data
Current price	no data	$185

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6785R and Core i5-11600K 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	3.3 GHz	3.9 GHz
Boost clock speed	3.9 GHz	4.9 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	8 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	71 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i7-6785R and Core i5-11600K 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	FCBGA1440	FCLGA1200
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6785R and Core i5-11600K. 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, Intel® AVX-512
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	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	-
Status	Discontinued	Discontinued

Security technologies

Core i7-6785R and Core i5-11600K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6785R and Core i5-11600K 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 i5-11600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600	DDR4
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	50 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 750
Max video memory	64 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.15 GHz	1.3 GHz
Execution Units	no data	32
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-6785R and Core i5-11600K integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-6785R and Core i5-11600K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2160@60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @60Hz
Max resolution over DisplayPort	4096x2304@60Hz	5120 x 3200 @60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-6785R and Core i5-11600K integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-6785R and Core i5-11600K.

PCIe version	3.0	4.0
PCI Express lanes	16	20

Pros & cons summary

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Integrated graphics card	4.77	4.49
Recency	22 April 2016	16 March 2021
Physical cores	4	6
Threads	8	12
Power consumption (TDP)	65 Watt	125 Watt

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Should you still have questions on choice between Core i7-6785R and Core i5-11600K, ask them in Comments section, and we shall answer.

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