AMD Ryzen 9 7945HX3D vs Intel Core i7-6700K

Last updated: 2024-04-16

CPU comparison with benchmarks


AMD Ryzen 9 7945HX3D		Intel Core i7-6700K
CPU comparison AMD Ryzen 9 7945HX3D or Intel Core i7-6700K - 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 AMD Ryzen 9 7945HX3D has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7945HX3D was released in Q3/2023. The Intel Core i7-6700K has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i7-6700K was released in Q3/2015.

AMD Ryzen 9 (35)	Family	Intel Core i7 (298)
AMD Ryzen 7045 (6)	CPU group	Intel Core i 6000 (24)
6	Generation	6
Dragon Range (Zen 4)	Architecture	Skylake S
Mobile	Segment	Desktop / Server
--	Predecessor	Intel Core i7-4770K
--	Successor	Intel Core i7-7700K

CPU Cores and Base Frequency The AMD Ryzen 9 7945HX3D has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD Ryzen 9 7945HX3D is 2.30 GHz (5.40 GHz) while the Intel Core i7-6700K has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-6700K is at 4.00 GHz (4.20 GHz).
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-6700K
16	Cores	4
32	Threads	8
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	Yes
2.30 GHz	Frequency	4.00 GHz
5.40 GHz	Turbo Frequency (1 Core)	4.20 GHz
--	Turbo Frequency (All Cores)	4.00 GHz

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.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-6700K
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Ryzen 9 7945HX3D or Intel Core i7-6700K 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.
AMD Radeon 610M	GPU	Intel HD Graphics 530
0.40 GHz	GPU frequency	0.35 GHz
2.20 GHz	GPU (Turbo)	1.15 GHz
9	GPU Generation	9
6 nm	Technology	14 nm
3	Max. displays	3
2	Compute units	24
128	Shader	192
Yes	Hardware Raytracing	No
No	Frame Generation	No
8 GB	Max. GPU Memory	32 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.
AMD Radeon 610M	GPU	Intel HD Graphics 530
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode / Encode	Codec h265 / HEVC (10 bit)	Decode
Decode / Encode	Codec h264	Decode / Encode
Decode / Encode	Codec VP9	Decode
Decode / Encode	Codec VP8	Decode / Encode
Decode	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The AMD Ryzen 9 7945HX3D can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Intel Core i7-6700K supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-6700K
DDR5-5200	Memory	DDR4-2133, DDR3-1866
64 GB	Max. Memory	64 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
83.2 GB/s	Max. Bandwidth	34.1 GB/s
No	ECC	No
16.00 MB	L2 Cache	--
128.00 MB	L3 Cache	8.00 MB
5.0	PCIe version	3.0
28	PCIe lanes	16
110.3 GB/s	PCIe Bandwidth	15.8 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD Ryzen 9 7945HX3D is 55 W, while the Intel Core i7-6700K has a TDP of 91 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-6700K
55 W	TDP (PL1 / PBP)	91 W
--	TDP (PL2)	--
75 W	TDP up	--
--	TDP down	--
89 °C	Tjunction max.	--
Technical details The AMD Ryzen 9 7945HX3D is manufactured in 5 nm and has 144.00 MB cache. The Intel Core i7-6700K is manufactured in 14 nm and has a 8.00 MB cache.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-6700K
5 nm	Technology	14 nm
Chiplet	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	ISA extensions	SSE4.1, SSE4.2, AVX2
FL1	Socket	LGA 1151
AMD-V, SVM	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Linux
Q3/2023	Release date	Q3/2015
--	Release price	420 $

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AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz (5.40 GHz) buy now on Amazon and save! Intel Core i7-6700K 4C 8T @ 4.00 GHz (4.20 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks

AMD Ryzen 9 7945HX3D (100%)

Intel Core i7-6700K (55%)

⌀ Multi core performance in 5 CPU benchmarks

AMD Ryzen 9 7945HX3D (100%)

Intel Core i7-6700K (20%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	1931 (100%)
	Intel Core i7-6700K 4C 8T @ 4.20 GHz	1124 (58%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	33450 (100%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	5640 (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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2138 (100%)
	Intel Core i7-6700K 4C 8T @ 4.20 GHz	1151 (54%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	19880 (100%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	4459 (22%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2783 (100%)
	Intel Core i7-6700K 4C 8T @ 4.20 GHz	1347 (48%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	16080 (100%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	4665 (29%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	747 (100%)
	Intel Core i7-6700K 4C 8T @ 4.20 GHz	421 (56%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	13036 (100%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	2059 (16%)

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.


	AMD Ryzen 9 7945HX3D AMD Radeon 610M @ 2.20 GHz	443 (100%)
	Intel Core i7-6700K Intel HD Graphics 530 @ 1.15 GHz	442 (100%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	310 (100%)
	Intel Core i7-6700K 4C 8T @ 4.20 GHz	180 (58%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	5602 (100%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	888 (16%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	82 (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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	8955 (100%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	369.3 (100%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	464 (100%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-6700K 4C 8T @ 4.00 GHz	2313 (100%)

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.


	AMD Ryzen 9 7945HX3D 33,450 CB R23 MC @ 104 W	322 (100%)
	Intel Core i7-6700K 4.00 GHz	0 (0%)

Devices using this processor
AMD Ryzen 9 7945HX3D	Intel Core i7-6700K
ASUS ROG Strix SCAR 17 X3D	Unknown

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