Intel Core i9-13900KF vs Intel Core i7-6800K

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CPU comparison with benchmarks


Intel Core i9-13900KF CPU1 vs CPU2 Intel Core i7-6800K
Intel Core i9-13900KF Intel Core i7-6800K

CPU comparison

Intel Core i9-13900KF or Intel Core i7-6800K - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-13900KF has 24 cores with 32 threads and clocks with a maximum frequency of 5.80 GHz. Up to 192 GB of memory is supported in 2 memory channels. The Intel Core i9-13900KF was released in Q4/2022.

The Intel Core i7-6800K has 6 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i7-6800K was released in Q2/2016.
Intel Core i9 (78) Family Intel Core i7 Extreme Edition (24)
Intel Core i 13000 (17) CPU group Intel Core i 6000 (24)
13 Generation 6
Raptor Lake S Architecture Skylake S
Desktop / Server Segment Desktop / Server
Intel Core i9-12900KF Predecessor --
Intel Core i9-14900KF Successor --

CPU Cores and Base Frequency

The Intel Core i9-13900KF has 24 CPU cores and can calculate 32 threads in parallel. The clock frequency of the Intel Core i9-13900KF is 3.00 GHz (5.80 GHz) while the Intel Core i7-6800K has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-6800K is at 3.40 GHz (3.60 GHz).
Intel Core i9-13900KF Characteristic Intel Core i7-6800K
24 Cores 6
32 Threads 12
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.00 GHz (5.80 GHz)
8x Raptor Cove		 A-Core 3.40 GHz (3.60 GHz)
2.20 GHz (4.30 GHz)
16x Gracemont		 B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i9-13900KF Characteristic Intel Core i7-6800K
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i9-13900KF or Intel Core i7-6800K has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

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.
no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i9-13900KF can use up to 192 GB of memory in 2 memory channels. The maximum memory bandwidth is 89.6 GB/s. The Intel Core i7-6800K supports up to 128 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 76.8 GB/s.
Intel Core i9-13900KF Characteristic Intel Core i7-6800K
DDR5-5600, DDR4-3200 Memory DDR4-2400
192 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
89.6 GB/s Max. Bandwidth 76.8 GB/s
Yes ECC No
32.00 MB L2 Cache --
36.00 MB L3 Cache 15.00 MB
5.0 PCIe version 3.0
20 PCIe lanes 28
78.8 GB/s PCIe Bandwidth 27.6 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i9-13900KF is 125 W, while the Intel Core i7-6800K has a TDP of 140 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i9-13900KF Characteristic Intel Core i7-6800K
125 W TDP (PL1 / PBP) 140 W
253 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-13900KF is manufactured in 10 nm and has 68.00 MB cache. The Intel Core i7-6800K is manufactured in 14 nm and has a 15.00 MB cache.
Intel Core i9-13900KF Characteristic Intel Core i7-6800K
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2
LGA 1700 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q4/2022 Release date Q2/2016
564 $ Release price 628 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core i9-13900KF (100%)
Intel Core i7-6800K (45%)
⌀ Multi core performance in 5 CPU benchmarks
Intel Core i9-13900KF (100%)
Intel Core i7-6800K (22%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
2241 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
949 (42%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
39652 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
6645 (17%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
2147 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
1080 (50%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
23982 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
6314 (26%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
2868 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
1267 (44%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
20305 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
5960 (29%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
59155 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
10752 (18%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 3.00 GHz
16715 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
3194 (19%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
132 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
2144 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
877 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
15350 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
557 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
893 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.80 GHz
330 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900KF Intel Core i9-13900KF
24C 32T @ 5.50 GHz
6141 (100%)
Intel Core i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i9-13900KF Intel Core i9-13900KF
39,652 CB R23 MC @ 252 W
157 (100%)
Intel Core i7-6800K Intel Core i7-6800K
3.40 GHz
0 (0%)

Devices using this processor
Intel Core i9-13900KF Intel Core i7-6800K
Unknown Unknown

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