Intel Core i5-12400 vs Intel Core i5-10400

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CPU comparison with benchmarks


Intel Core i5-12400 CPU1 vs CPU2 Intel Core i5-10400
Intel Core i5-12400 Intel Core i5-10400

CPU comparison

Intel Core i5-12400 or Intel Core i5-10400 - 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 i5-12400 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 i5-12400 was released in Q1/2022.

The Intel Core i5-10400 has 6 cores with 12 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i5-10400 was released in Q2/2020.
Intel Core i5 (336) Family Intel Core i5 (336)
Intel Core i 12000 (34) CPU group Intel Core i 10000 (43)
12 Generation 10
Alder Lake S Architecture Comet Lake S
Desktop Segment Desktop
Intel Core i5-11400 Predecessor Intel Core i5-9400
Intel Core i5-13400 Successor Intel Core i5-11400

CPU Cores and Base Frequency

The Intel Core i5-12400 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i5-12400 is 2.50 GHz (4.40 GHz) while the Intel Core i5-10400 has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i5-10400 is at 2.90 GHz (4.30 GHz).

Intel Core i5-12400 Characteristic Intel Core i5-10400
6 Cores 6
12 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.50 GHz Frequency 2.90 GHz
4.40 GHz Turbo Frequency (1 Core) 4.30 GHz
4.00 GHz Turbo Frequency (All Cores) 4.00 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 i5-12400 Characteristic Intel Core i5-10400
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core i5-12400 or Intel Core i5-10400 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.

Intel UHD Graphics 730 GPU Intel UHD Graphics 630
0.30 GHz GPU frequency 0.35 GHz
1.45 GHz GPU (Turbo) 1.20 GHz
12 GPU Generation 9.5
14 nm Technology 14 nm
3 Max. displays 3
24 Compute units 24
192 Shader 192
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 64 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 730 GPU Intel UHD Graphics 630
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 / Encode
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 Intel Core i5-12400 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 76.8 GB/s. The Intel Core i5-10400 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s.

Intel Core i5-12400 Characteristic Intel Core i5-10400
DDR5-4800, DDR4-3200 Memory DDR4-2666
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 42.7 GB/s
No ECC No
7.50 MB L2 Cache --
18.00 MB L3 Cache 12.00 MB
5.0 PCIe version 3.0
20 PCIe lanes 16
78.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-12400 is 65 W, while the Intel Core i5-10400 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-12400 Characteristic Intel Core i5-10400
65 W TDP (PL1 / PBP) 65 W
117 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-12400 is manufactured in 10 nm and has 25.50 MB cache. The Intel Core i5-10400 is manufactured in 14 nm and has a 12.00 MB cache.

Intel Core i5-12400 Characteristic Intel Core i5-10400
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2
LGA 1700 Socket LGA 1200
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2022 Release date Q2/2020
192 $ Release price 182 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-12400 to help other visitors make their purchasing decisions. The average rating is 4.4 stars (114 ratings). Rate now:
Here you can rate the Intel Core i5-10400 to help other visitors make their purchasing decisions. The average rating is 3.6 stars (50 ratings). Rate now:

Average performance in benchmarks

Single core performance in 5 CPU benchmarks
Intel Core i5-12400 (100%)
Intel Core i5-10400 (68%)
Multi core performance in 8 CPU benchmarks
Intel Core i5-12400 (100%)
Intel Core i5-10400 (67%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.
Intel Core i5-12400 Intel Core i5-12400
Geekbench 6 MT: 8,820 / 192 $
45.94
Intel Core i5-10400 Intel Core i5-10400
Geekbench 6 MT: 6,261 / 182 $
34.40

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
102 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
68 (67%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
701 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
443 (63%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
1623 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1120 (69%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
12454 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
8164 (66%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
2181 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1433 (66%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
8820 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
6261 (71%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
1647 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1120 (68%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
9451 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
5870 (62%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
664 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
450 (68%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
4784 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
3197 (67%)

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 i5-12400 Intel Core i5-12400
Intel UHD Graphics 730 @ 1.45 GHz
557 (100%)
Intel Core i5-10400 Intel Core i5-10400
Intel UHD Graphics 630 @ 1.20 GHz
461 (83%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
170 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
110 (65%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
19559 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
12267 (63%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 2.50 GHz
4737 (100%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 2.90 GHz
3551 (75%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
0 (0%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
462 (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.
Intel Core i5-12400 Intel Core i5-12400
6C 12T @ 4.40 GHz
0 (0%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
190 (100%)

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 i5-12400 Intel Core i5-12400
6C 12T @ 4.00 GHz
0 (0%)
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
1341 (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.
Intel Core i5-12400 Intel Core i5-12400
12,454 CB R23 MC @ 82 W
152 (100%)
Intel Core i5-10400 Intel Core i5-10400
2.90 GHz
0 (0%)

Devices using this processor

Intel Core i5-12400 Intel Core i5-10400
Unknown Unknown

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