Intel Core i7-6800K vs Intel Core i9-10900K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6800K or Intel Core i7-6800K – 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 i7-6800K features 6 processor cores and has the capability to manage 12 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 i7-6800K, you'll need a motherboard with a LGA 2011-3 socket.
The Intel Core i9-10900K features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i9 series.
To use the Intel Core i9-10900K, you'll need a motherboard with a LGA 1200 socket.
Intel Core i 6000 Group Intel Core i 10000
6 Generation 10
Desktop / Server Segment Desktop / Server
Intel Core i7-6800K Name Intel Core i9-10900K
Intel Core i7 Extreme Edition Family Intel Core i9
 
 

CPU Cores and Base Frequency

The Intel Core i7-6800K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-6800K is 3.4 GHz
and turbo frequency for one core is 3.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-10900K has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-10900K is 3.7 GHz
and turbo frequency for one core is 5.3 GHz.
12 Threads 20
6x Cores 10x
6 CPU Cores 10
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
3.6 GHz Turbo Frequency (1 core) 5.3 GHz
3.4 GHz Frequency 3.7 GHz
 
 

Internal Graphics

The Intel Core i7-6800K does not have integrated graphics.
The Intel Core i9-10900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-10900K uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- Shaders 192
-- Release date Q4/2017
-- Technology 14 nm
-- Direct X 12
0 bytes Max. GPU Memory 64.0 GB
-- Max. displays --
-- Execution units 24
-- GPU frequency 0.35 GHz
-- Generation 9.5
-- GPU (Turbo) 1.2 GHz
GPU name Intel UHD Graphics 630
 
 

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.
-- VP8 Decode / Encode
-- VC-1 Decode
-- JPEG Decode / Encode
-- AV1 No
-- h265 / HEVC (8 bit) Decode / Encode
-- AVC Decode / Encode
-- h264 Decode / Encode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
 
 

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 45.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-2400 Memory type DDR4-2933
No ECC No
128.0 GB Max. Memory 128.0 GB
4 Memory channels 2
76.8 GB/s Bandwidth 45.8 GB/s
 
 

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 125 W watts.
None TDP down 95 W
140 W TDP (PL1 / PBP) 125 W
100 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i7-6800K 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 15.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-10900K is manufactured using a 14 nm process.
In total, this processor boasts a generous 20.0 MB cache.
Q2/2016 Release date Q2/2020
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
14 nm Technology 14 nm
Monolithic Chip design Monolithic
628 $ Release price 490 $
Skylake S Architecture Comet Lake S
15.0 MB L3-Cache 20.0 MB
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
LGA 2011-3 Socket LGA 1200
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-10900K
10C 20T @ 3.7 GHz
23706
23706
Intel Core i7-6800K
6C 12T @ 3.4 GHz
10752
10752

Cinebench R23 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
15945
15945
Intel Core i7-6800K
6C 12T @ 3.4 GHz
6645
6645

V-Ray CPU-Render Benchmark

Intel Core i9-10900K
10C 20T @ 3.7 GHz
12214
12214
Intel Core i7-6800K
6C 12T @ 3.4 GHz
4855
4855

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
11344
11344
Intel Core i7-6800K
6C 12T @ 3.4 GHz
6314
6314

Geekbench 6 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
8990
8990
Intel Core i7-6800K
6C 12T @ 3.4 GHz
5960
5960

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
7347
7347
Intel Core i7-6800K
6C 12T @ 3.4 GHz
3194
3194

Geekbench 6 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1743
1743
Intel Core i7-6800K
6C 12T @ 3.4 GHz
1267
1267

Geekbench 5, 64bit (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1417
1417
Intel Core i7-6800K
6C 12T @ 3.4 GHz
1080
1080

Cinebench R23 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1382
1382
Intel Core i7-6800K
6C 12T @ 3.4 GHz
949
949