Intel Core i7-11700K VS Intel Core i7-8700

Comparison of video cards Intel Core i7-11700K vs Intel Core i7-8700 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Core i7-11700K

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Higher clock speed

3.60 GHz 3.20 GHz

Around -13% better clock speed
More number of cores

8 6

2 times more threads
Higher turbo clock speed

5.00 GHz 4.60 GHz

Around 8% better overclocked clock speed

Top features of Intel Core i7-8700

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Performance per watt

65 W 125 W

About 0.52 times less performance per watt

Specifications

Complete list of technical specifications

Intel Core i7-11700K Intel Core i7-8700

CPU generation and family

Let's find out which one of Intel Core i7-11700K and Intel Core i7-8700 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Core i7-11700K Intel Core i7-8700
Segment	Desktop / Server Desktop / Server
Family	Intel Core i7 Intel Core i7
Generation	11 8
CPU group	Intel Core i 11000 Intel Core i 8000
Predecessor	Intel Core i7-10700K Intel Core i7-7700
Successor	Intel Core i7-12700K Intel Core i7-9700

CPU Cores and Base Frequency

In this block we are going to compare Intel Core i7-11700K vs Intel Core i7-8700 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	3.60 GHz 3.20 GHz
CPU Cores	8 6
Turbo (1 Core)	5.00 GHz 4.60 GHz
CPU Threads	16 12
Hyperthreading	Yes Yes
Overclocking	Yes No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Core i7-11700K and Intel Core i7-8700 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Intel UHD Graphics 750 Intel UHD Graphics 630
GPU frequency	0.35 GHz 0.35 GHz
GPU (Turbo)	1.30 GHz 1.15 GHz
Execution units	32 24
Shader	256 192
Max. GPU Memory	-- 64 GB
Max. displays	3 3
Generation	12 9.5
DirectX Version	12 12
Technology	14 nm 14 nm
Release date	Q1/2021 Q4/2017

Hardware codec support

Let's compare the support of video codecs between Intel Core i7-11700K and Intel Core i7-8700. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode Decode / Encode
h265 / HEVC (10 bit)	Decode / Encode Decode / Encode
h264	Decode / Encode Decode / Encode
VP9	Decode / Encode Decode / Encode
VP8	Decode Decode / Encode
AV1	Decode No
AVC	Decode / Encode Decode / Encode
VC-1	Decode Decode
JPEG	Decode / Encode Decode / Encode

Memory & PCIe

To choose the best model between Intel Core i7-11700K and Intel Core i7-8700 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-3200 DDR4-2666
Max. Memory	128 GB 128 GB
ECC	No No
Memory channels	2 2
PCIe version	4.0 3.0
PCIe lanes	20 16

Encryption

AES-NI encryption support for CPUs Intel Core i7-11700K and Intel Core i7-8700.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Core i7-11700K or Intel Core i7-8700? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	125 W 65 W
TDP (PL2)	251 W / 56 s --
TDP down	95 W --
Tjunction max.	100 °C 100 °C

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i7-11700K and Intel Core i7-8700 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
ISA extensions	SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2
L2-Cache	4.00 MB --
L3-Cache	16.00 MB 12.00 MB
Architecture	Rocket Lake S Coffee Lake S
Technology	14 nm 14 nm
Socket	LGA 1200 LGA 1151-2
Release date	Q1/2021 Q4/2017