Intel Core i7-7800X vs Intel Core i9-7900X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-7800X or Intel Core i7-7800X – 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 i7-7800X features 6 processor cores and has the capability to manage 12 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 i7-7800X, you'll need a motherboard with a LGA 2066 socket.
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.
Desktop / Server Segment Desktop / Server
Intel Core i7-7800X Name Intel Core i9-7900X
Intel Core i7 Family Intel Core i9
7 Generation 7
Intel Core i 7000X Group Intel Core i 7000X
 
 

CPU Cores and Base Frequency

The Intel Core i7-7800X has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-7800X is 3.5 GHz
and turbo frequency for one core is 4.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.2 GHz Turbo Frequency (1 core) 4.3 GHz
Yes Overclocking Yes
normal Core architecture normal
3.5 GHz Frequency 3.3 GHz
12 Threads 20
3.9 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
6 CPU Cores 10
6x Cores 10x
 
 

Internal Graphics

The Intel Core i7-7800X does not have integrated graphics.
The Intel Core i9-7900X 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 76.8 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 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
76.8 GB/s Bandwidth 85.4 GB/s
DDR4-2400 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.
-- Tjunction max --
140 W TDP (PL1 / PBP) 140 W
 
 

Technical details

The Intel Core i7-7800X 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-7900X is manufactured using a 14 nm process.
In total, this processor boasts a generous 14.0 MB cache.
Q2/2017 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 Architecture Skylake X
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
Windows 10, Linux Operating systems Windows 10, Linux
485 $ Release price 989 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 14.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
41255
41255
Intel Core i7-7800X
6C 12T @ 3.5 GHz
24162
24162

Estimated results for PassMark CPU Mark

Intel Core i9-7900X
10C 20T @ 3.3 GHz
21190
21190
Intel Core i7-7800X
6C 12T @ 3.5 GHz
12866
12866

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
10199
10199
Intel Core i7-7800X
6C 12T @ 3.5 GHz
6759
6759

Geekbench 6 (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
9120
9120
Intel Core i7-7800X
6C 12T @ 3.5 GHz
6897
6897

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
5530
5530
Intel Core i7-7800X
6C 12T @ 3.5 GHz
3341
3341

Cinebench R20 (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
5286
5286
Intel Core i7-7800X
6C 12T @ 3.5 GHz
2809
2809

Geekbench 3, 64bit (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
4876
4876
Intel Core i7-7800X
6C 12T @ 3.5 GHz
4763
4763

Cinebench R15 (Multi-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
2194
2194
Intel Core i7-7800X
6C 12T @ 3.5 GHz
1285
1285

Geekbench 6 (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
1410
1410
Intel Core i7-7800X
6C 12T @ 3.5 GHz
1406
1406

Geekbench 5, 64bit (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
1133
1133
Intel Core i7-7800X
6C 12T @ 3.5 GHz
1114
1114

Cinebench R20 (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
461
461
Intel Core i7-7800X
6C 12T @ 3.5 GHz
358
358

Cinebench R15 (Single-Core)

Intel Core i9-7900X
10C 20T @ 3.3 GHz
188
188
Intel Core i7-7800X
6C 12T @ 3.5 GHz
184
184

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

Intel Core i9-7900X
10C 20T @ 3.3 GHz
24.1
24.1
Intel Core i7-7800X
6C 12T @ 3.5 GHz
14.1
14.1