Intel Core i7-9800X vs Intel Core i7-9700K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-9800X or Intel Core i7-9800X – 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 i7-9800X features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q4/2018 and belongs to the 9 generation of the Intel Core i7 series.
To use the Intel Core i7-9800X, you'll need a motherboard with a LGA 2066 socket.
The Intel Core i7-9700K features 8 processor cores and has the capability to manage 8 threads concurrently.
To use the Intel Core i7-9700K, you'll need a motherboard with a LGA 1151-2 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-9800X Name Intel Core i7-9700K
Intel Core i7 Family Intel Core i7
9 Generation 9
Intel Core i 9000X Group Intel Core i 9000
 
 

CPU Cores and Base Frequency

The Intel Core i7-9800X has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-9800X is 3.8 GHz
and turbo frequency for one core is 4.5 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-9700K has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-9700K is 3.6 GHz
and turbo frequency for one core is 4.9 GHz.
4.5 GHz Turbo Frequency (1 core) 4.9 GHz
Yes Overclocking Yes
normal Core architecture normal
3.8 GHz Frequency 3.6 GHz
16 Threads 8
4.2 GHz Turbo Frequency (all cores) 4.6 GHz
Yes Hyperthreading No
8 CPU Cores 8
8x Cores 8x
 
 

Internal Graphics

The Intel Core i7-9800X does not have integrated graphics.
The Intel Core i7-9700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-9700K 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.
-- GPU frequency 0.35 GHz
-- Release date Q4/2017
-- Direct X 12
GPU name Intel UHD Graphics 630
-- Technology 14 nm
-- Max. displays --
-- Shaders 192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- 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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 85.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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.
4 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
85.4 GB/s Bandwidth 42.7 GB/s
DDR4-2666 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 165 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.
95 °C Tjunction max 100 °C
165 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The Intel Core i7-9800X 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 16.5 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-9700K is manufactured using a 14 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q4/2018 Release date Q4/2018
-- 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, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Skylake X Refresh Architecture Coffee Lake S Refresh
14 nm Technology 14 nm
LGA 2066 Socket LGA 1151-2
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
-- Release price 520 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.5 MB L3-Cache 12.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-9800X
8C 16T @ 3.8 GHz
18113
18113
Intel Core i7-9700K
8C 8T @ 3.6 GHz
14555
14555

Cinebench R23 (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
13067
13067
Intel Core i7-9700K
8C 8T @ 3.6 GHz
10326
10326

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
9402
9402
Intel Core i7-9700K
8C 8T @ 3.6 GHz
7421
7421

Geekbench 6 (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
7654
7654
Intel Core i7-9700K
8C 8T @ 3.6 GHz
7361
7361

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
4467
4467
Intel Core i7-9700K
8C 8T @ 3.6 GHz
4167
4167

Cinebench R20 (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
4338
4338
Intel Core i7-9700K
8C 8T @ 3.6 GHz
3656
3656

Geekbench 6 (Single-Core)

Intel Core i7-9700K
8C 8T @ 3.6 GHz
1589
1589
Intel Core i7-9800X
8C 16T @ 3.8 GHz
1372
1372

Cinebench R23 (Single-Core)

Intel Core i7-9700K
8C 8T @ 3.6 GHz
1336
1336
Intel Core i7-9800X
8C 16T @ 3.8 GHz
1271
1271

Geekbench 5, 64bit (Single-Core)

Intel Core i7-9700K
8C 8T @ 3.6 GHz
1302
1302
Intel Core i7-9800X
8C 16T @ 3.8 GHz
1155
1155

Cinebench R20 (Single-Core)

Intel Core i7-9700K
8C 8T @ 3.6 GHz
481
481
Intel Core i7-9800X
8C 16T @ 3.8 GHz
455
455