Follow us on XFollow us| Share linkShare link| Submit benchmarkSubmit benchmark

Intel Core i5-10400 vs Intel Core i3-12300

Last updated:

CPU comparison with benchmarks


Intel Core i5-10400 CPU1 vs CPU2 Intel Core i3-12300
Intel Core i5-10400 Intel Core i3-12300

CPU comparison

Intel Core i5-10400 or Intel Core i3-12300 - 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 i5-10400 has 6 cores with 12 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-10400 was released in Q2/2020.

The Intel Core i3-12300 has 4 cores with 8 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i3-12300 was released in Q1/2022.
Intel Core i5 (336) Family Intel Core i3 (205)
Intel Core i 10000 (43) CPU group Intel Core i 12000 (34)
10 Generation 12
Comet Lake S Architecture Alder Lake S
Desktop Segment Desktop
Intel Core i5-9400 Predecessor --
Intel Core i5-11400 Successor --

CPU Cores and Base Frequency

The Intel Core i5-10400 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i5-10400 is 2.90 GHz (4.30 GHz) while the Intel Core i3-12300 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i3-12300 is at 3.50 GHz (4.40 GHz).
Intel Core i5-10400 Characteristic Intel Core i3-12300
6 Cores 4
12 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.90 GHz Frequency 3.50 GHz
4.30 GHz Turbo Frequency (1 Core) 4.40 GHz
4.00 GHz Turbo Frequency (All Cores) 4.20 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 i5-10400 Characteristic Intel Core i3-12300
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core i5-10400 or Intel Core i3-12300 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 630 GPU Intel UHD Graphics 730
0.35 GHz GPU frequency 0.30 GHz
1.20 GHz GPU (Turbo) 1.45 GHz
9.5 GPU Generation 12
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 630 GPU Intel UHD Graphics 730
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
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i5-10400 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The Intel Core i3-12300 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s.
Intel Core i5-10400 Characteristic Intel Core i3-12300
DDR4-2666 Memory DDR5-4800, DDR4-3200
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 76.8 GB/s
No ECC No
-- L2 Cache 5.00 MB
12.00 MB L3 Cache 12.00 MB
3.0 PCIe version 5.0
16 PCIe lanes 20
15.8 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-10400 is 65 W, while the Intel Core i3-12300 has a TDP of 60 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i5-10400 Characteristic Intel Core i3-12300
65 W TDP (PL1 / PBP) 60 W
-- TDP (PL2) 89 W
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-10400 is manufactured in 14 nm and has 12.00 MB cache. The Intel Core i3-12300 is manufactured in 10 nm and has a 17.00 MB cache.
Intel Core i5-10400 Characteristic Intel Core i3-12300
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
LGA 1200 Socket LGA 1700
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
Q2/2020 Release date Q1/2022
182 $ Release price 143 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-10400 to help other visitors make their purchasing decisions. The average rating is 3.7 stars (51 ratings). Rate now:
Here you can rate the Intel Core i3-12300 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (4 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i5-10400 (64%)
Intel Core i3-12300 (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i5-10400 (78%)
Intel Core i3-12300 (100%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.
Intel Core i5-10400 Intel Core i5-10400
Geekbench 6 MT: 6,261 / 182 $
34.40
Intel Core i3-12300 Intel Core i3-12300
Geekbench 6 MT: 8,288 / 143 $
57.96

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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1433 (64%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 GHz
2235 (100%)

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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
6261 (76%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 GHz
8288 (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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1120 (64%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 GHz
1739 (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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
5870 (75%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 GHz
7834 (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 i5-10400 Intel Core i5-10400
Intel UHD Graphics 630 @ 1.20 GHz
461 (83%)
Intel Core i3-12300 Intel Core i3-12300
Intel UHD Graphics 730 @ 1.45 GHz
557 (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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
12267 (82%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 GHz
14876 (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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
68 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
443 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
1120 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
8164 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
450 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
3197 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 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.
Intel Core i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
110 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 GHz
0 (0%)

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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
462 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 2.90 GHz
3551 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 3.50 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.30 GHz
190 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.40 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 i5-10400 Intel Core i5-10400
6C 12T @ 4.00 GHz
1341 (100%)
Intel Core i3-12300 Intel Core i3-12300
4C 8T @ 4.20 GHz
0 (0%)

Devices using this processor
Intel Core i5-10400 Intel Core i3-12300
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core i5-10400FIntel Core i5-10400 Intel Core i5-10400F vs Intel Core i5-10400
2. AMD Ryzen 5 3600Intel Core i5-10400 AMD Ryzen 5 3600 vs Intel Core i5-10400
3. Intel Core i5-11400Intel Core i5-10400 Intel Core i5-11400 vs Intel Core i5-10400
4. AMD Ryzen 5 PRO 4650GIntel Core i5-10400 AMD Ryzen 5 PRO 4650G vs Intel Core i5-10400
5. AMD Ryzen 5 4600GIntel Core i5-10400 AMD Ryzen 5 4600G vs Intel Core i5-10400
6. Intel Core i3-10100Intel Core i5-10400 Intel Core i3-10100 vs Intel Core i5-10400
7. Intel Core i5-10400AMD Ryzen 5 3400G Intel Core i5-10400 vs AMD Ryzen 5 3400G
8. Intel Core i5-12400Intel Core i5-10400 Intel Core i5-12400 vs Intel Core i5-10400
9. Intel Core i5-10400Intel Core i7-10700 Intel Core i5-10400 vs Intel Core i7-10700
10. AMD Ryzen 5 5600GIntel Core i5-10400 AMD Ryzen 5 5600G vs Intel Core i5-10400


back to index