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Intel Core i5-12400F vs AMD RX-421BD

Last updated: 2024-04-12

CPU comparison with benchmarks


Intel Core i5-12400F		AMD RX-421BD
CPU comparison Intel Core i5-12400F or AMD RX-421BD - 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 i5-12400F has 6 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-12400F was released in Q1/2022. The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421BD was released in Q4/2015.

Intel Core i5 (334)	Family	AMD R (6)
Intel Core i 12000 (34)	CPU group	AMD RX 1st Gen. (6)
12	Generation	1
Alder Lake S	Architecture	Merlin Falcon (Excavator)
Desktop	Segment	Notebook
Intel Core i5-11400F	Predecessor	--
Intel Core i5-13400F	Successor	--

CPU Cores and Base Frequency The Intel Core i5-12400F is a 6 core processor with a clock frequency of 2.50 GHz (4.40 GHz). The AMD RX-421BD has 4 CPU cores with a clock frequency of 2.10 GHz (3.40 GHz).
Intel Core i5-12400F	Characteristic	AMD RX-421BD
6	Cores	4
12	Threads	4
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	No
2.50 GHz	Frequency	2.10 GHz
4.40 GHz	Turbo Frequency (1 Core)	3.40 GHz
4.00 GHz	Turbo Frequency (All Cores)	--


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 i5-12400F	Characteristic	AMD RX-421BD
--	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.
no iGPU	GPU	AMD Radeon R7 - 512 (Merlin Falcon)
	GPU frequency	0.80 GHz
--	GPU (Turbo)	--
--	GPU Generation	3
	Technology	28
	Max. displays	3
--	Compute units	8
--	Shader	512
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	2 GB
--	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.
no iGPU	GPU	AMD Radeon R7 - 512 (Merlin Falcon)
No	Codec h265 / HEVC (8 bit)	Decode
No	Codec h265 / HEVC (10 bit)	No
No	Codec h264	Decode / Encode
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
No	Codec AVC	No
No	Codec VC-1	No
No	Codec JPEG	Decode

Memory & PCIe The Intel Core i5-12400F supports a maximum of 128 GB of memory in 2 memory channels. The AMD RX-421BD can connect up to GB of memory in 2 memory channels.
Intel Core i5-12400F	Characteristic	AMD RX-421BD
DDR5-4800, DDR4-3200	Memory	DDR4-2400, DDR3-2133
128 GB	Max. Memory
2 (Dual Channel)	Memory channels	2 (Dual Channel)
76.8 GB/s	Max. Bandwidth	38.4 GB/s
No	ECC	Yes
7.50 MB	L2 Cache	2.00 MB
18.00 MB	L3 Cache	--
5.0	PCIe version	3.0
20	PCIe lanes	12
78.8 GB/s	PCIe Bandwidth	11.8 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-12400F has a TDP of 65 W, that of the AMD RX-421BD is 35 W.
Intel Core i5-12400F	Characteristic	AMD RX-421BD
65 W	TDP (PL1 / PBP)	35 W
117 W	TDP (PL2)	--
--	TDP up	--
--	TDP down	12 W
100 °C	Tjunction max.	90 °C
Technical details The Intel Core i5-12400F has a 25.50 MB cache, while the AMD RX-421BD cache has a total of 2.00 MB.

Intel Core i5-12400F	Characteristic	AMD RX-421BD
10 nm	Technology	28 nm
Monolithic	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
LGA 1700	Socket	FP4
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, AMD-Vt
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems
Q1/2022	Release date	Q4/2015
167 $	Release price	--

show more data		show more data

Intel Core i5-12400F 6C 12T @ 2.50 GHz (4.40 GHz) buy now on Amazon and save! AMD RX-421BD 4C 4T @ 2.10 GHz (3.40 GHz) buy now on Amazon and save!

Rate these processors

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 i5-12400F 6C 12T @ 4.40 GHz	102 (100%)
	AMD RX-421BD 4C 4T @ 3.40 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 i5-12400F 6C 12T @ 4.40 GHz	701 (100%)
	AMD RX-421BD 4C 4T @ 3.40 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.40 GHz	1623 (100%)
	AMD RX-421BD 4C 4T @ 3.40 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.00 GHz	12454 (100%)
	AMD RX-421BD 4C 4T @ 2.10 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.40 GHz	2197 (100%)
	AMD RX-421BD 4C 4T @ 3.40 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.00 GHz	8668 (100%)
	AMD RX-421BD 4C 4T @ 2.10 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.40 GHz	1647 (100%)
	AMD RX-421BD 4C 4T @ 3.40 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.00 GHz	9451 (100%)
	AMD RX-421BD 4C 4T @ 2.10 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 i5-12400F 6C 12T @ 4.40 GHz	664 (100%)
	AMD RX-421BD 4C 4T @ 3.40 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 i5-12400F 6C 12T @ 4.00 GHz	4784 (100%)
	AMD RX-421BD 4C 4T @ 2.10 GHz	0 (0%)

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 i5-12400F @ 0.00 GHz	0 (0%)
	AMD RX-421BD AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz	820 (100%)

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 i5-12400F 6C 12T @ 4.00 GHz	170 (100%)
	AMD RX-421BD 4C 4T @ 2.10 GHz	0 (0%)

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 i5-12400F 6C 12T @ 4.00 GHz	19559 (100%)
	AMD RX-421BD 4C 4T @ 2.10 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 i5-12400F 6C 12T @ 2.50 GHz	4772 (100%)
	AMD RX-421BD 4C 4T @ 2.10 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 i5-12400F 12,454 CB R23 MC @ 82 W	152 (100%)
	AMD RX-421BD 2.10 GHz	0 (0%)

Devices using this processor
Intel Core i5-12400F	AMD RX-421BD
Unknown	Unknown

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