AMD Ryzen 5 PRO 8640U vs Intel Core i5-12400F

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CPU comparison with benchmarks


AMD Ryzen 5 PRO 8640U CPU1 vs CPU2 Intel Core i5-12400F
AMD Ryzen 5 PRO 8640U Intel Core i5-12400F

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 PRO 8640U and the Intel Core i5-12400F and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 PRO 8640U 6 core processor released in Q2/2024 with the Intel Core i5-12400F which has 6 CPU cores and was introduced in Q1/2022.
AMD Ryzen 5 PRO (28) Family Intel Core i5 (331)
AMD Ryzen 8040 (20) CPU group Intel Core i 12000 (34)
7 Generation 12
Hawk Point (Zen 4) Architecture Alder Lake S
Mobile Segment Desktop / Server
AMD Ryzen 5 PRO 7640U Predecessor Intel Core i5-11400F
-- Successor Intel Core i5-13400F

CPU Cores and Base Frequency

The AMD Ryzen 5 PRO 8640U is a 6 core processor with a clock frequency of 3.50 GHz (4.90 GHz). The processor can compute 12 threads at the same time. The Intel Core i5-12400F clocks with 2.50 GHz (4.40 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD Ryzen 5 PRO 8640U Characteristic Intel Core i5-12400F
6 Cores 6
12 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.50 GHz Frequency 2.50 GHz
4.90 GHz Turbo Frequency (1 Core) 4.40 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 5 PRO 8640U Characteristic Intel Core i5-12400F
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 760M GPU no iGPU
0.80 GHz GPU frequency --
2.60 GHz GPU (Turbo) --
10 GPU Generation --
4 nm Technology
4 Max. displays
8 Compute units --
512 Shader --
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory --
12 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.

AMD Radeon 760M GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 PRO 8640U, while the Intel Core i5-12400F supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.

AMD Ryzen 5 PRO 8640U Characteristic Intel Core i5-12400F
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR5-4800, DDR4-3200
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 76.8 GB/s
Yes ECC No
6.00 MB L2 Cache 7.50 MB
16.00 MB L3 Cache 18.00 MB
4.0 PCIe version 5.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The AMD Ryzen 5 PRO 8640U has a TDP of 28 W. The TDP of the Intel Core i5-12400F is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 PRO 8640U Characteristic Intel Core i5-12400F
28 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) 117 W
-- TDP up --
15 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 PRO 8640U has 22.00 MB cache and is manufactured in 4 nm. The cache of Intel Core i5-12400F is at 25.50 MB. The processor is manufactured in 10 nm.

AMD Ryzen 5 PRO 8640U Characteristic Intel Core i5-12400F
4 nm Technology 10 nm
Monolithic 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, AVX2+
FP8 Socket LGA 1700
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2024 Release date Q1/2022
-- Release price 167 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 5 PRO 8640U (99%)
Intel Core i5-12400F (94%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Ryzen 5 PRO 8640U (93%)
Intel Core i5-12400F (98%)

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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
1552 (96%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
1623 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
10675 (86%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
12454 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
1869 (100%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
1647 (88%)

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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
8853 (94%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
9451 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
2340 (100%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
2197 (94%)

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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
9197 (100%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
8668 (94%)

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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
10,675 CB R23 MC @ 24 W
445 (100%)
Intel Core i5-12400F Intel Core i5-12400F
12,454 CB R23 MC @ 82 W
152 (34%)

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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
102 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
701 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
664 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
4784 (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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Core i5-12400F Intel Core i5-12400F
@ 0.00 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.
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
170 (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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
19559 (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 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i5-12400F Intel Core i5-12400F
6C 12T @ 2.50 GHz
4772 (100%)

Devices using this processor

AMD Ryzen 5 PRO 8640U Intel Core i5-12400F
Unknown Unknown

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