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Intel Core i7-8700 vs Intel Core i7-6700

Last updated: 2026-07-05

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

The Intel Core i7-6700 (Skylake S), introduced in the third quarter of 2015, was aimed at the mainstream desktop market for everyday tasks and light gaming.

It features 4 cores, 8 threads, 8 MB L3 cache, and a maximum memory bandwidth of 34 GB/s. It was manufactured using a 14nm process, with PCIe 3.0 and a TDP of 65 watts. The integrated Intel HD Graphics 530 is intended for basic graphics applications. Its performance is sufficient for standard applications.

The Intel Core i7-8700 (Coffee Lake S), released in the fourth quarter of 2017, targeted more demanding desktop applications.

It offers 6 cores, 12 threads, 12 MB L3 cache, and 43 GB/s maximum memory bandwidth. Also manufactured using a 14nm process, it supports PCIe 3.0 with the same TDP of 65 watts. The integrated Intel UHD Graphics 630 is more powerful. Its single-core performance is noticeably higher than its predecessor.

In multi-core performance, the Intel Core i7-8700 surpasses the Intel Core i7-6700 by well over 10 percent, making it superior for gaming and content creation. On the used market, it offers a better price-performance ratio for demanding users.

Intel Core i7-6700

4 Cores, 8 Threads
Suitable for everyday tasks
Affordable option on the used market

Intel Core i7-8700

6 Cores, 12 Threads
Significantly higher single- and multi-core performance
Better for gaming and content creation
Good price-performance ratio on the used market

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core i7-8700

Rank 2 - 85 %

Intel Core i7-6700

Multi-core performance

Rank 1 - 100 %

Intel Core i7-8700

Rank 2 - 65 %

Intel Core i7-6700

Cinebench 2024 Single-Core
Single-core performance

442

Intel HD Graphics 530

442

Blender 3.1 Benchmark
Multi-core performance

6C / 12T · 4.30 GHz

118

4C / 8T · 3.70 GHz

Blender 2.81 (bmw27)
Multi-core performance

6C / 12T · 4.30 GHz

231.5 s

4C / 8T · 3.70 GHz

409.7 s

CPU-Z Benchmark 17 Single-Core
Single-core performance

6C / 12T · 4.60 GHz

488

4C / 8T · 4.00 GHz

397

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

6C / 12T · 3.20 GHz

3,674

4C / 8T · 3.40 GHz

2,094

Cinebench R15 (Single-Core)
Single-core performance

6C / 12T · 4.60 GHz

203 cb

4C / 8T · 4.00 GHz

171 cb

Cinebench R15 (Multi-Core)
Multi-core performance

6C / 12T · 4.30 GHz

1,434 cb

4C / 8T · 3.70 GHz

816 cb

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core i7-8700	Intel Core i7-6700
Family	Intel Core i7 (300)	Intel Core i7 (300)
CPU group	Intel Core i 8000 (20)	Intel Core i 6000 (24)
Architecture	Coffee Lake S	Skylake S
Technology	14 nm	14 nm
Segment	Desktop	Desktop
Socket	LGA 1151-2	LGA 1151
Predecessor	Intel Core i7-7700
Successor	Intel Core i7-9700	Intel Core i7-7700

CPU Cores and Base Frequency

Wischen	Intel Core i7-8700	Intel Core i7-6700
CPU Cores / Threads	6 / 12	4 / 8
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	6x	4x
Frequency:	3.20 GHz	3.40 GHz
Turbo (1 Core):	4.60 GHz	4.00 GHz
Turbo (All Cores):	4.30 GHz	3.70 GHz
L2-Cache
L3-Cache	12.00 MB	8.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i7-8700	Intel Core i7-6700
GPU name	Intel UHD Graphics 630	Intel HD Graphics 530
GPU frequency	0.35 - 1.15 GHz	0.35 - 1.15 GHz
CUs / Shader	24 / 192	24 / 192
Raytracing	✗	✗
Max. displays	3	3
Max. GPU Memory	64 GB	32 GB
Technology	14 nm	14 nm
Release date	Q4/2017	Q3/2015

NPU AI performance

Wischen	Intel Core i7-8700	Intel Core i7-6700
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i7-8700	Intel Core i7-6700
Memory	DDR4-2666 (42.7 GB/s)	DDR4-2133 (34.1 GB/s)
Max. Memory	128 GB	64 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 16	3.0 x 16
PCIe Bandwidth	15.8 GB/s	15.8 GB/s

Thermal Management

Wischen	Intel Core i7-8700	Intel Core i7-6700
TDP	65 W	65 W
TDP (PL2)
TDP up
TDP down
T. junction max.	100 °C

Technical details

Wischen	Intel Core i7-8700	Intel Core i7-6700
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2, AVX2
Release date	Q4/2017	Q3/2015
Release price	340 $	350 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-8700 is 4.1 stars (137 ratings), while Intel Core i7-6700 has received 4.0 stars (87 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-8700
6C / 12T · 3.20 - 4.60 GHz

★★★★★

Intel Core i7-6700
4C / 8T · 3.40 - 4.00 GHz

★★★★★