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

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-9900KS or Intel Core i9-9900KS – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-9900KS features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q4/2019 and belongs to the 9 generation of the Intel Core i9 series.
To use the Intel Core i9-9900KS, you'll need a motherboard with a LGA 1151-2 socket.
The Intel Core i7-8700K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q4/2017 and belongs to the 8 generation of the Intel Core i7 series.
To use the Intel Core i7-8700K, you'll need a motherboard with a LGA 1151-2 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-9900KS Name Intel Core i7-8700K
Intel Core i9 Family Intel Core i7
9 Generation 8
Intel Core i 9000 Group Intel Core i 8000
 
 

CPU Cores and Base Frequency

The Intel Core i9-9900KS has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-9900KS is 4.0 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-8700K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-8700K is 3.7 GHz
and turbo frequency for one core is 4.7 GHz.
5.0 GHz Turbo Frequency (1 core) 4.7 GHz
Yes Overclocking Yes
normal Core architecture normal
4.0 GHz Frequency 3.7 GHz
16 Threads 12
4.8 GHz Turbo Frequency (all cores) 4.3 GHz
Yes Hyperthreading Yes
8 CPU Cores 6
8x Cores 6x
 
 

Internal Graphics

The Intel Core i9-9900KS has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-9900KS uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-8700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-8700K uses the Intel UHD Graphics 630, which has 192 texture shaders
0.35 GHz GPU frequency 0.35 GHz
Q4/2017 Release date Q4/2017
12 Direct X 12
Intel UHD Graphics 630 GPU name Intel UHD Graphics 630
14 nm Technology 14 nm
-- Max. displays --
192 Shaders 192
64.0 GB Max. GPU Memory 64.0 GB
24 Execution units 24
9.5 Generation 9.5
1.2 GHz GPU (Turbo) 1.2 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
42.7 GB/s Bandwidth 42.7 GB/s
DDR4-2666 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 127 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 95 W watts.
100 °C Tjunction max --
127 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The Intel Core i9-9900KS is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-8700K is manufactured using a 14 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q4/2019 Release date Q4/2017
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Coffee Lake S Refresh Architecture Coffee Lake S
14 nm Technology 14 nm
LGA 1151-2 Socket LGA 1151-2
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
524 $ Release price 370 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 12.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
38244
38244
Intel Core i7-8700K
6C 12T @ 3.7 GHz
27445
27445

Estimated results for PassMark CPU Mark

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
19602
19602
Intel Core i7-8700K
6C 12T @ 3.7 GHz
13770
13770

Cinebench R23 (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
13305
13305
Intel Core i7-8700K
6C 12T @ 3.7 GHz
8960
8960

V-Ray CPU-Render Benchmark

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
11511
11511
Intel Core i7-8700K
6C 12T @ 3.7 GHz
6635
6635

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
9471
9471
Intel Core i7-8700K
6C 12T @ 3.7 GHz
6693
6693

Geekbench 6 (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
8514
8514
Intel Core i7-8700K
6C 12T @ 3.7 GHz
6750
6750

Geekbench 3, 64bit (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
6250
6250
Intel Core i7-8700K
6C 12T @ 3.7 GHz
5330
5330

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
6012
6012
Intel Core i7-8700K
6C 12T @ 3.7 GHz
3709
3709

Cinebench R20 (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
5226
5226
Intel Core i7-8700K
6C 12T @ 3.7 GHz
3689
3689

Cinebench R15 (Multi-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
2201
2201
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1447
1447

Geekbench 6 (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
1650
1650
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1486
1486

Geekbench 5, 64bit (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
1419
1419
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1242
1242

Cinebench R23 (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
1333
1333
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1209
1209

Cinebench R20 (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
518
518
Intel Core i7-8700K
6C 12T @ 3.7 GHz
487
487

Blender 2.81 (bmw27)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
232.4
232.4
Intel Core i9-9900KS
8C 16T @ 4.0 GHz
148
148

Cinebench R15 (Single-Core)

Intel Core i9-9900KS
8C 16T @ 4.0 GHz
222
222
Intel Core i7-8700K
6C 12T @ 3.7 GHz
208
208