Intel Core i9-11900KB vs AMD Ryzen 7 8700G

Last updated: 2024-02-08

CPU comparison with benchmarks


Intel Core i9-11900KB		AMD Ryzen 7 8700G
CPU comparison Intel Core i9-11900KB or AMD Ryzen 7 8700G - 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 i9-11900KB has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-11900KB was released in Q2/2021. The AMD Ryzen 7 8700G has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 8700G was released in Q1/2024.

Intel Core i9 (78)	Family	AMD Ryzen 7 (68)
Intel Core i 11000H (17)	CPU group	AMD Ryzen 8000G (14)
11	Generation	6
Tiger Lake H	Architecture	Phoenix (Zen 4)
Mobile	Segment	Desktop / Server
--	Predecessor	AMD Ryzen 7 5700G
--	Successor	--

CPU Cores and Base Frequency The Intel Core i9-11900KB is a 8 core processor with a clock frequency of 3.30 GHz (5.30 GHz). The AMD Ryzen 7 8700G has 8 CPU cores with a clock frequency of 4.20 GHz (5.10 GHz).
Intel Core i9-11900KB	Characteristic	AMD Ryzen 7 8700G
8	Cores	8
16	Threads	16
normal	Core architecture	normal
Yes	Hyperthreading	Yes
Yes	Overclocking ?	Yes
3.30 GHz	Frequency	4.20 GHz
5.30 GHz	Turbo Frequency (1 Core)	5.10 GHz
4.90 GHz	Turbo Frequency (All Cores)	4.70 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.
Intel Core i9-11900KB	Characteristic	AMD Ryzen 7 8700G
--	AI hardware	AMD Ryzen AI
--	AI specifications	AMD dedicated AI XDNA Technology @ 16 TOPS

Internal Graphics 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 UHD Graphics 11th Gen (32 EU)	GPU	AMD Radeon 780M
0.35 GHz	GPU frequency	0.80 GHz
1.45 GHz	GPU (Turbo)	2.90 GHz
11	GPU Generation	3
10 nm	Technology	4 nm
3	Max. displays	4
32	Compute units	12
256	Shader	768
No	Hardware Raytracing	Yes
No	Frame Generation	AMD FSR
64 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.
Intel UHD Graphics 11th Gen (32 EU)	GPU	AMD Radeon 780M
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode / Encode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode / Encode	Codec VP9	Decode
Decode / Encode	Codec VP8	Decode
Decode	Codec AV1	Decode / Encode
Decode / Encode	Codec AVC	Decode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core i9-11900KB supports a maximum of 128 GB of memory in 2 memory channels. The AMD Ryzen 7 8700G can connect up to 256 GB of memory in 2 memory channels.
Intel Core i9-11900KB	Characteristic	AMD Ryzen 7 8700G
DDR4-3200	Memory	DDR5-5200
128 GB	Max. Memory	256 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
51.2 GB/s	Max. Bandwidth	83.2 GB/s
No	ECC	No
4.00 MB	L2 Cache	8.00 MB
20.00 MB	L3 Cache	16.00 MB
3.0	PCIe version	4.0
16	PCIe lanes	20
15.8 GB/s	PCIe Bandwidth	39.4 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-11900KB has a TDP of 65 W, that of the AMD Ryzen 7 8700G is 65 W.
Intel Core i9-11900KB	Characteristic	AMD Ryzen 7 8700G
65 W	TDP (PL1 / PBP)	65 W
--	TDP (PL2)	--
--	TDP up	--
55 W	TDP down	45 W
100 °C	Tjunction max.	95 °C
Technical details The Intel Core i9-11900KB has a 24.00 MB cache, while the AMD Ryzen 7 8700G cache has a total of 24.00 MB.
Intel Core i9-11900KB	Characteristic	AMD Ryzen 7 8700G
10 nm	Technology	4 nm
Monolithic	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 1787	Socket	AM5 (LGA 1718)
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Windows 11, Linux
Q2/2021	Release date	Q1/2024
583 $	Release price	329 $

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Intel Core i9-11900KB 8C 16T @ 3.30 GHz (5.30 GHz) buy now on Amazon and save! AMD Ryzen 7 8700G 8C 16T @ 4.20 GHz (5.10 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks

Intel Core i9-11900KB (89%)

AMD Ryzen 7 8700G (100%)

⌀ Multi core performance in 4 CPU benchmarks

Intel Core i9-11900KB (70%)

AMD Ryzen 7 8700G (100%)

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 i9-11900KB 8C 16T @ 5.30 GHz	1663 (91%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	1833 (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 i9-11900KB 8C 16T @ 4.90 GHz	12264 (68%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 GHz	18040 (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 i9-11900KB 8C 16T @ 5.30 GHz	1878 (93%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	2014 (100%)

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 i9-11900KB 8C 16T @ 5.30 GHz	2231 (82%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	2720 (100%)

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 i9-11900KB 8C 16T @ 4.90 GHz	10645 (74%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 GHz	14326 (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 i9-11900KB 8C 16T @ 5.30 GHz	640 (91%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	707 (100%)

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 i9-11900KB 8C 16T @ 4.90 GHz	4712 (67%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 GHz	7061 (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 i9-11900KB Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz	742 (16%)
	AMD Ryzen 7 8700G AMD Radeon 780M @ 2.90 GHz	4513 (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 i9-11900KB 8C 16T @ 4.90 GHz	23151 (72%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 GHz	32036 (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 i9-11900KB 8C 16T @ 5.30 GHz	0 (0%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	104 (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 i9-11900KB 8C 16T @ 5.30 GHz	0 (0%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 GHz	986 (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 i9-11900KB 8C 16T @ 4.90 GHz	0 (0%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 GHz	13217 (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.


	Intel Core i9-11900KB 8C 16T @ 4.90 GHz	200 (100%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 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 i9-11900KB 8C 16T @ 5.30 GHz	256 (100%)
	AMD Ryzen 7 8700G 8C 16T @ 5.10 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 i9-11900KB 8C 16T @ 4.90 GHz	2144 (100%)
	AMD Ryzen 7 8700G 8C 16T @ 4.70 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 i9-11900KB 3.30 GHz	0 (0%)
	AMD Ryzen 7 8700G 18,040 CB R23 MC @ 83 W	217 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).


	Intel Core i9-11900KB 8C 16T @ 3.30 GHz	0 (0%)
	AMD Ryzen 7 8700G 8C 16T @ 4.20 GHz	16 (100%)

Devices using this processor
Intel Core i9-11900KB	AMD Ryzen 7 8700G
Unknown	Unknown

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