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Intel Core i7-6700K vs AMD Ryzen 7 7800X3D

Last updated: 2024-08-12

CPU comparison with benchmarks


Intel Core i7-6700K		AMD Ryzen 7 7800X3D
CPU comparison Intel Core i7-6700K or AMD Ryzen 7 7800X3D - 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 i7-6700K has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-6700K was released in Q3/2015. The AMD Ryzen 7 7800X3D has 8 cores with 16 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 7 7800X3D was released in Q1/2023.

Intel Core i7 (299)	Family	AMD Ryzen 7 (70)
Intel Core i 6000 (24)	CPU group	AMD Ryzen 7000 (15)
6	Generation	6
Skylake S	Architecture	Raphael (Zen 4)
Desktop	Segment	Desktop
Intel Core i7-4770K	Predecessor	AMD Ryzen 7 5800X3D
Intel Core i7-7700K	Successor	--

CPU Cores and Base Frequency The Intel Core i7-6700K is a 4 core processor with a clock frequency of 4.00 GHz (4.20 GHz). The AMD Ryzen 7 7800X3D has 8 CPU cores with a clock frequency of 4.20 GHz (5.00 GHz).
Intel Core i7-6700K	Characteristic	AMD Ryzen 7 7800X3D
4	Cores	8
8	Threads	16
normal	Core architecture	normal
Yes	Hyperthreading	Yes
Yes	Overclocking ?	No
4.00 GHz	Frequency	4.20 GHz
4.20 GHz	Turbo Frequency (1 Core)	5.00 GHz
4.00 GHz	Turbo Frequency (All Cores)	4.60 GHz


NPU AI performance The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core i7-6700K	Characteristic	AMD Ryzen 7 7800X3D
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel HD Graphics 530	GPU	AMD Radeon Graphics (Raphael)
0.35 GHz	GPU frequency	0.40 GHz
1.15 GHz	GPU (Turbo)	2.20 GHz
9	GPU Generation	9
14 nm	Technology	5 nm
3	Max. displays	3
24	Compute units	2
192	Shader	128
No	Hardware Raytracing	No
No	Frame Generation	No
32 GB	Max. GPU Memory	8 GB
12	DirectX Version	12

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.
Intel HD Graphics 530	GPU	AMD Radeon Graphics (Raphael)
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode	Codec VP9	Decode / Encode
Decode / Encode	Codec VP8	Decode / Encode
No	Codec AV1	Decode
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core i7-6700K supports a maximum of 64 GB of memory in 2 memory channels. The AMD Ryzen 7 7800X3D can connect up to 128 GB of memory in 2 memory channels.
Intel Core i7-6700K	Characteristic	AMD Ryzen 7 7800X3D
DDR4-2133, DDR3-1866	Memory	DDR5-5200
64 GB	Max. Memory	128 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
34.1 GB/s	Max. Bandwidth	83.2 GB/s
No	ECC	Yes
--	L2 Cache	8.00 MB
8.00 MB	L3 Cache	96.00 MB
3.0	PCIe version	5.0
16	PCIe lanes	24
15.8 GB/s	PCIe Bandwidth	94.5 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-6700K has a TDP of 91 W, that of the AMD Ryzen 7 7800X3D is 120 W.
Intel Core i7-6700K	Characteristic	AMD Ryzen 7 7800X3D
91 W	TDP (PL1 / PBP)	120 W
--	TDP (PL2)	162 W
--	TDP up	--
--	TDP down	--
--	Tjunction max.	89 °C
Technical details The Intel Core i7-6700K has a 8.00 MB cache, while the AMD Ryzen 7 7800X3D cache has a total of 104.00 MB.

Intel Core i7-6700K	Characteristic	AMD Ryzen 7 7800X3D
14 nm	Technology	5 nm
Monolithic	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
LGA 1151	Socket	AM5 (LGA 1718)
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Windows 11, Linux
Q3/2015	Release date	Q1/2023
420 $	Release price	449 $

show more data		show more data

Intel Core i7-6700K 4C 8T @ 4.00 GHz (4.20 GHz) buy now on Amazon and save! AMD Ryzen 7 7800X3D 8C 16T @ 4.20 GHz (5.00 GHz) buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

Intel Core i7-6700K (55%)

AMD Ryzen 7 7800X3D (100%)

⌀ Multi core performance in 4 CPU benchmarks

Intel Core i7-6700K (31%)

AMD Ryzen 7 7800X3D (100%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.


	Intel Core i7-6700K Geekbench 6 MT: 4,665 / 420 $	11.11
	AMD Ryzen 7 7800X3D Geekbench 6 MT: 14,229 / 449 $	31.69

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 i7-6700K 4C 8T @ 4.20 GHz	1124 (62%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	1811 (100%)

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 i7-6700K 4C 8T @ 4.00 GHz	5640 (32%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 GHz	17762 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	Intel Core i7-6700K 4C 8T @ 4.20 GHz	1347 (49%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	2731 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Core i7-6700K 4C 8T @ 4.00 GHz	4665 (33%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 GHz	14229 (100%)

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 i7-6700K 4C 8T @ 4.20 GHz	1151 (54%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	2137 (100%)

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 i7-6700K 4C 8T @ 4.00 GHz	4459 (33%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 GHz	13620 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i7-6700K Intel HD Graphics 530 @ 1.15 GHz	442 (78%)
	AMD Ryzen 7 7800X3D AMD Radeon Graphics (Raphael) @ 2.20 GHz	563 (100%)

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 i7-6700K 4C 8T @ 4.00 GHz	8955 (26%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 GHz	35060 (100%)

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 i7-6700K 4C 8T @ 4.20 GHz	0 (0%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	107 (100%)

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 i7-6700K 4C 8T @ 4.20 GHz	0 (0%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	1115 (100%)

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 i7-6700K 4C 8T @ 4.20 GHz	421 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 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 i7-6700K 4C 8T @ 4.00 GHz	2059 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 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 i7-6700K 4C 8T @ 4.00 GHz	82 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 GHz	0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	Intel Core i7-6700K 4C 8T @ 4.00 GHz	369.3 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 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 i7-6700K 4C 8T @ 4.20 GHz	464 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 GHz	0 (0%)

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 i7-6700K 4C 8T @ 4.00 GHz	2313 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.20 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 i7-6700K 4C 8T @ 4.20 GHz	180 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 5.00 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 i7-6700K 4C 8T @ 4.00 GHz	888 (100%)
	AMD Ryzen 7 7800X3D 8C 16T @ 4.60 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 i7-6700K 4.00 GHz	0 (0%)
	AMD Ryzen 7 7800X3D 17,762 CB R23 MC @ 81 W	219 (100%)

Devices using this processor
Intel Core i7-6700K	AMD Ryzen 7 7800X3D
Unknown	Unknown

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