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Intel Core i7-8700K vs Intel Core i9-9900

Last updated: 2026-07-05

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 94 %

Intel Core i7-8700K

Rank 1 - 100 %

Intel Core i9-9900

Multi-core performance

Rank 2 - 80 %

Intel Core i7-8700K

Rank 1 - 100 %

Intel Core i9-9900

Cinebench R23 Single-Core
Single-core performance

6C / 12T · 4.70 GHz

1,209 pts

8C / 16T · 5.00 GHz

1,284 pts

Cinebench R23 Multi-Core
Multi-core performance

6C / 12T · 4.30 GHz

8,960 pts

8C / 16T · 4.00 GHz

12,205 pts

Geekbench 6 Single-Core
Single-core performance

6C / 12T · 4.70 GHz

1,486

8C / 16T · 5.00 GHz

1,637

Geekbench 6 Multi-Core
Multi-core performance

6C / 12T · 4.30 GHz

6,750

8C / 16T · 4.00 GHz

7,619

Cinebench R20 Single-Core
Single-core performance

6C / 12T · 4.70 GHz

487 cb

8C / 16T · 5.00 GHz

518 cb

Geekbench 5, 64bit Single-Core
Single-core performance

6C / 12T · 4.70 GHz

1,242

8C / 16T · 5.00 GHz

1,292

Cinebench R20 Multi-Core
Multi-core performance

6C / 12T · 4.30 GHz

3,689 cb

8C / 16T · 4.00 GHz

4,346 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

6C / 12T · 4.30 GHz

6,693

8C / 16T · 4.00 GHz

8,047

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel UHD Graphics 630

461

Intel UHD Graphics 630

461

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

6C / 12T · 3.70 GHz

3,709

8C / 16T · 3.10 GHz

5,010

Cinebench R15 (Single-Core)
Single-core performance

6C / 12T · 4.70 GHz

208 cb

8C / 16T · 5.00 GHz

219 cb

Cinebench R15 (Multi-Core)
Multi-core performance

6C / 12T · 4.30 GHz

1,447 cb

8C / 16T · 4.00 GHz

1,931 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 i7-8700K	Intel Core i9-9900
Family	Intel Core i7 (300)	Intel Core i9 (81)
CPU group	Intel Core i 8000 (20)	Intel Core i 9000 (34)
Architecture	Coffee Lake S	Coffee Lake S Refresh
Technology	14 nm	14 nm
Segment	Desktop	Desktop
Socket	LGA 1151-2	LGA 1151-2
Predecessor	Intel Core i7-7700K
Successor	Intel Core i7-9700K	Intel Core i9-10900

CPU Cores and Base Frequency

Wischen	Intel Core i7-8700K	Intel Core i9-9900
CPU Cores / Threads	6 / 12	8 / 16
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	6x	8x
Frequency:	3.70 GHz	3.10 GHz
Turbo (1 Core):	4.70 GHz	5.00 GHz
Turbo (All Cores):	4.30 GHz	4.00 GHz
L2-Cache
L3-Cache	12.00 MB	16.00 MB
Overclocking	✓	✗

Integrated graphics (iGPU)

Wischen	Intel Core i7-8700K	Intel Core i9-9900
GPU name	Intel UHD Graphics 630	Intel UHD Graphics 630
GPU frequency	0.35 - 1.20 GHz	0.35 - 1.20 GHz
CUs / Shader	24 / 192	24 / 192
Raytracing	✗	✗
Max. displays	3	3
Max. GPU Memory	64 GB	64 GB
Technology	14 nm	14 nm
Release date	Q4/2017	Q4/2017

NPU AI performance

Wischen	Intel Core i7-8700K	Intel Core i9-9900
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i7-8700K	Intel Core i9-9900
Memory	DDR4-2666 (42.7 GB/s)	DDR4-2666 (42.7 GB/s)
Max. Memory	128 GB	128 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 i7-8700K	Intel Core i9-9900
TDP	95 W	65 W
TDP (PL2)
TDP up
TDP down
T. junction max.		100 °C

Technical details

Wischen	Intel Core i7-8700K	Intel Core i9-9900
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Windows 11, 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	Q2/2019
Release price	370 $	550 $
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 i7-8700K is 4.4 stars (107 ratings), while Intel Core i9-9900 has received 4.5 stars (20 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-8700K
6C / 12T · 3.70 - 4.70 GHz

★★★★★

Intel Core i9-9900
8C / 16T · 3.10 - 5.00 GHz

★★★★★