Intel Core i7-9800X vs Intel Core i7-7820X

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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 i7-7820X features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2017 and belongs to the 7 generation of the Intel Core i7 series.
To use the Intel Core i7-7820X, you'll need a motherboard with a LGA 2066 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-9800X Name Intel Core i7-7820X
Intel Core i7 Family Intel Core i7
9 Generation 7
Intel Core i 9000X Group Intel Core i 7000X
 
 

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 i7-7820X has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-7820X is 3.6 GHz
4.5 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking Yes
normal Core architecture normal
3.8 GHz Frequency 3.6 GHz
16 Threads 16
4.2 GHz Turbo Frequency (all cores) 4.3 GHz
Yes Hyperthreading Yes
8 CPU Cores 8
8x Cores 8x
 
 

Internal Graphics

The Intel Core i7-9800X does not have integrated graphics.
The Intel Core i7-7820X does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- GPU (Turbo) --
 
 

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 --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

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.
4 Memory channels 4
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
85.4 GB/s Bandwidth 85.4 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 140 W watts.
95 °C Tjunction max --
165 W TDP (PL1 / PBP) 140 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 i7-7820X is manufactured using a 14 nm process.
In total, this processor boasts a generous 11.0 MB cache.
Q4/2018 Release date Q2/2017
-- 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, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
Skylake X Refresh Architecture Skylake X
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
-- Release price 650 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.5 MB L3-Cache 11.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-9800X
8C 16T @ 3.8 GHz
18113
18113
Intel Core i7-7820X
8C 16T @ 3.6 GHz
17244
17244

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
9402
9402
Intel Core i7-7820X
8C 16T @ 3.6 GHz
8916
8916

Geekbench 6 (Multi-Core)

Intel Core i7-7820X
8C 16T @ 3.6 GHz
8123
8123
Intel Core i7-9800X
8C 16T @ 3.8 GHz
7654
7654

Cinebench R20 (Multi-Core)

Intel Core i7-7820X
8C 16T @ 3.6 GHz
5155
5155
Intel Core i7-9800X
8C 16T @ 3.8 GHz
4338
4338

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-9800X
8C 16T @ 3.8 GHz
4467
4467
Intel Core i7-7820X
8C 16T @ 3.6 GHz
4398
4398

Geekbench 6 (Single-Core)

Intel Core i7-7820X
8C 16T @ 3.6 GHz
1513
1513
Intel Core i7-9800X
8C 16T @ 3.8 GHz
1372
1372

Geekbench 5, 64bit (Single-Core)

Intel Core i7-7820X
8C 16T @ 3.6 GHz
1285
1285
Intel Core i7-9800X
8C 16T @ 3.8 GHz
1155
1155

Cinebench R20 (Single-Core)

Intel Core i7-7820X
8C 16T @ 3.6 GHz
498
498
Intel Core i7-9800X
8C 16T @ 3.8 GHz
455
455