Intel Core i7-6900K vs AMD Ryzen 7 3800X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6900K or Intel Core i7-6900K – 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 i7-6900K features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2016 and belongs to the 6 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-6900K, you'll need a motherboard with a LGA 2011-3 socket.
The AMD Ryzen 7 3800X features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2019 and belongs to the 3 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 3800X, you'll need a motherboard with a AM4 (PGA 1331) socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-6900K Name AMD Ryzen 7 3800X
Intel Core i7 Extreme Edition Family AMD Ryzen 7
6 Generation 3
Intel Core i 6000 Group AMD Ryzen 3000
 
 

CPU Cores and Base Frequency

The Intel Core i7-6900K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-6900K is 3.2 GHz
and turbo frequency for one core is 3.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 3800X has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 3800X is 3.9 GHz
and turbo frequency for one core is 4.5 GHz.
3.7 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking Yes
normal Core architecture normal
3.2 GHz Frequency 3.9 GHz
16 Threads 16
None None 4.2 GHz
Yes Hyperthreading Yes
8 CPU Cores 8
8x Cores 8x
 
 

Internal Graphics

The Intel Core i7-6900K does not have integrated graphics.
The AMD Ryzen 7 3800X 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 2 memory channels. It offers a peak memory bandwidth of 51.2 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 Yes
76.8 GB/s Bandwidth 51.2 GB/s
DDR4-2400 Memory type DDR4-3200
 
 

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 105 W watts.
-- Tjunction max 95 °C
140 W TDP (PL1 / PBP) 105 W
 
 

Technical details

The Intel Core i7-6900K 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 20.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 7 3800X is manufactured using a 7 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Q2/2016 Release date Q3/2019
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Monolithic Chip design Chiplet
Skylake S Architecture Matisse (Zen 2)
14 nm Technology 7 nm
LGA 2011-3 Socket AM4 (PGA 1331)
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
-- Release price 385 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
20.0 MB L3-Cache 32.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
23322
23322
Intel Core i7-6900K
8C 16T @ 3.2 GHz
14474
14474

Cinebench R23 (Multi-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
12874
12874
Intel Core i7-6900K
8C 16T @ 3.2 GHz
11326
11326

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
9065
9065
Intel Core i7-6900K
8C 16T @ 3.2 GHz
7651
7651

Geekbench 6 (Multi-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
7965
7965
Intel Core i7-6900K
8C 16T @ 3.2 GHz
7471
7471

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
5544
5544
Intel Core i7-6900K
8C 16T @ 3.2 GHz
4402
4402

Geekbench 6 (Single-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
1742
1742
Intel Core i7-6900K
8C 16T @ 3.2 GHz
1254
1254

Cinebench R23 (Single-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
1325
1325
Intel Core i7-6900K
8C 16T @ 3.2 GHz
1151
1151

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 7 3800X
8C 16T @ 3.9 GHz
1271
1271
Intel Core i7-6900K
8C 16T @ 3.2 GHz
1086
1086