HiSilicon Kirin 985 5G vs Intel Core i9-7920X

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CPU comparison with benchmarks

-VS-

CPU lineage

HiSilicon Kirin 985 5G or HiSilicon Kirin 985 5G – 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 HiSilicon Kirin 985 5G features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2020 and belongs to the 7 generation of the HiSilicon Kirin series.
The Intel Core i9-7920X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q3/2017 and belongs to the 7 generation of the Intel Core i9 series.
To use the Intel Core i9-7920X, you'll need a motherboard with a LGA 2066 socket.
Mobile Segment Desktop / Server
HiSilicon Kirin 985 5G Name Intel Core i9-7920X
HiSilicon Kirin Family Intel Core i9
7 Generation 7
HiSilicon Kirin 980 Group Intel Core i 7000X
 
 

CPU Cores and Base Frequency

The HiSilicon Kirin 985 5G has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.58 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-7920X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the Intel Core i9-7920X is 2.9 GHz
and turbo frequency for one core is 4.3 GHz.
4x Cortex-A55 Cores C None
None None 4.3 GHz
1.84 GHz C-Core Frequency None
2.4 GHz B-Core Frequency None
2.58 GHz A-Core Frequency None
3x Cortex-A76 Cores B None
1x Cortex-A76 Cores A None
No Overclocking Yes
hybrid (Prime / big.LITTLE) Core architecture normal
None None 2.9 GHz
8 Threads 24
No Hyperthreading Yes
8 CPU Cores 12
None None 12x
 
 

Internal Graphics

The HiSilicon Kirin 985 5G has integrated graphics, called iGPU for short.
Specifically, the HiSilicon Kirin 985 5G uses the ARM Mali-G77 MP8, which has 128 texture shaders
and 8 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-7920X does not have integrated graphics.
0.8 GHz GPU frequency --
Q2/2019 Release date --
12 Direct X --
ARM Mali-G77 MP8 GPU name
7 nm Technology --
-- Max. displays --
128 Shaders --
4.0 GB Max. GPU Memory 0 bytes
8 Execution units --
Vallhall 1 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.
Decode / Encode AVC --
Decode / Encode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
Decode 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
0 bytes Max. Memory 128.0 GB
pci PCIe pci
No AES-NI Yes
No ECC No
-- Bandwidth 85.4 GB/s
LPDDR4X-2133 Memory type DDR4-2666
 
 

Thermal Management

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 165 W watts.
-- Tjunction max --
None TDP (PL1 / PBP) 165 W
 
 

Technical details

The HiSilicon Kirin 985 5G is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-7920X is manufactured using a 14 nm process.
In total, this processor boasts a generous 16.0 MB cache.
Q2/2020 Release date Q3/2017
Hi6290 Part Number --
0 bytes L2-Cache 0 bytes
None Virtualization VT-x, VT-x EPT, VT-d
ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Chiplet Chip design Monolithic
Cortex-A76 / Cortex-A55 Architecture Skylake X
7 nm Technology 14 nm
Socket LGA 2066
Android Operating systems Windows 10, Linux
-- Release price 1189 $
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L3-Cache 16.0 MB
 
 

Benchmarks