Intel Core i9-7900X vs Intel Core i9-7920X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-7900X or Intel Core i9-7900X – 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 i9-7900X features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q2/2017 and belongs to the 7 generation of the Intel Core i9 series.
To use the Intel Core i9-7900X, you'll need a motherboard with a LGA 2066 socket.
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.
Desktop / Server Segment Desktop / Server
Intel Core i9-7900X Name Intel Core i9-7920X
Intel Core i9 Family Intel Core i9
7 Generation 7
Intel Core i 7000X Group Intel Core i 7000X
 
 

CPU Cores and Base Frequency

The Intel Core i9-7900X has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-7900X is 3.3 GHz
and turbo frequency for one core is 4.3 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
4.3 GHz Turbo Frequency (1 core) 4.3 GHz
Yes Overclocking Yes
normal Core architecture normal
3.3 GHz Frequency 2.9 GHz
20 Threads 24
Yes Hyperthreading Yes
10 CPU Cores 12
10x Cores 12x
 
 

Internal Graphics

The Intel Core i9-7900X does not have integrated graphics.
The Intel Core i9-7920X 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 140 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 165 W watts.
-- Tjunction max --
140 W TDP (PL1 / PBP) 165 W
 
 

Technical details

The Intel Core i9-7900X 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 14.0 MB cache.
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.
Q2/2017 Release date Q3/2017
-- 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 Architecture Skylake X
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
Windows 10, Linux Operating systems Windows 10, Linux
989 $ Release price 1189 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
14.0 MB L3-Cache 16.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
45772
45772
Intel Core i9-7900X
10C 20T @ 3.3 GHz
41255
41255

Estimated results for PassMark CPU Mark

Intel Core i9-7920X
12C 24T @ 2.9 GHz
23625
23625
Intel Core i9-7900X
10C 20T @ 3.3 GHz
21190
21190

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
11498
11498
Intel Core i9-7900X
10C 20T @ 3.3 GHz
10199
10199

Geekbench 6 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
9881
9881
Intel Core i9-7900X
10C 20T @ 3.3 GHz
9120
9120

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
6200
6200
Intel Core i9-7900X
10C 20T @ 3.3 GHz
5530
5530

Geekbench 3, 64bit (Single-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
4876
4876
Intel Core i9-7900X
10C 20T @ 3.3 GHz
4876
4876

Cinebench R15 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
2438
2438
Intel Core i9-7900X
10C 20T @ 3.3 GHz
2194
2194

Geekbench 6 (Single-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
1410
1410
Intel Core i9-7900X
10C 20T @ 3.3 GHz
1410
1410

Geekbench 5, 64bit (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
1133
1133
Intel Core i9-7920X
12C 24T @ 2.9 GHz
1133
1133

Cinebench R15 (Single-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
188
188
Intel Core i9-7900X
10C 20T @ 3.3 GHz
188
188

Blender 2.81 (bmw27)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
137.7
137.7
Intel Core i9-7920X
12C 24T @ 2.9 GHz
120.9
120.9

Cinebench R11.5, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
26.7
26.7
Intel Core i9-7900X
10C 20T @ 3.3 GHz
24.1
24.1