Intel Core i5-1240P vs Intel Core i5-12400T

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CPU comparison with benchmarks


Intel Core i5-1240P CPU1 vs CPU2 Intel Core i5-12400T
Intel Core i5-1240P Intel Core i5-12400T

CPU comparison

Intel Core i5-1240P or Intel Core i5-12400T - 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 i5-1240P has 12 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i5-1240P was released in Q1/2022.

The Intel Core i5-12400T has 6 cores with 12 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i5-12400T was released in Q1/2022.
Intel Core i5 (328) Family Intel Core i5 (328)
Intel Core i 1200P/1200U (21) CPU group Intel Core i 12000 (34)
12 Generation 12
Alder Lake U Architecture Alder Lake S
Mobile Segment Desktop / Server
-- Predecessor Intel Core i5-11400T
Intel Core i5-1340P Successor Intel Core i5-13400T

CPU Cores and Base Frequency

The Intel Core i5-1240P has 12 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i5-1240P is 1.70 GHz (4.40 GHz) while the Intel Core i5-12400T has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i5-12400T is at 1.80 GHz (4.20 GHz).

Intel Core i5-1240P Characteristic Intel Core i5-12400T
12 Cores 6
16 Threads 12
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.70 GHz (4.40 GHz)
4x Golden Cove
A-Core 1.80 GHz (4.20 GHz)
6x Golden Cove
1.20 GHz (3.30 GHz)
8x Gracemont
B-Core --

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 i5-1240P Characteristic Intel Core i5-12400T
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-1240P or Intel Core i5-12400T 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 Iris Xe Graphics 80 (Alder Lake) GPU Intel UHD Graphics 730
0.40 GHz GPU frequency 0.30 GHz
1.30 GHz GPU (Turbo) 1.45 GHz
13 GPU Generation 12
10 nm Technology 14 nm
4 Max. displays 3
80 Compute units 24
640 Shader 192
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 64 GB
12.1 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 Iris Xe Graphics 80 (Alder Lake) 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 Codec VP8 Decode / Encode
Decode 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 i5-1240P can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Intel Core i5-12400T 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 i5-1240P Characteristic Intel Core i5-12400T
LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 Memory DDR5-4800, DDR4-3200
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
83.2 GB/s Max. Bandwidth 76.8 GB/s
No ECC No
9.00 MB L2 Cache 7.50 MB
12.00 MB L3 Cache 18.00 MB
4.0 PCIe version 5.0
28 PCIe lanes 20
55.1 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-1240P is 28 W, while the Intel Core i5-12400T has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-1240P Characteristic Intel Core i5-12400T
28 W TDP (PL1 / PBP) 35 W
64 W TDP (PL2) 74 W
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-1240P is manufactured in 10 nm and has 21.00 MB cache. The Intel Core i5-12400T is manufactured in 10 nm and has a 25.50 MB cache.

Intel Core i5-1240P Characteristic Intel Core i5-12400T
10 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+
BGA 1744 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
Q1/2022 Release date Q1/2022
-- Release price 192 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

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 i5-1240P Intel Core i5-1240P
12C 16T @ 4.40 GHz
1564 (96%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 4.20 GHz
1627 (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 i5-1240P Intel Core i5-1240P
12C 16T @ 2.70 GHz
8550 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 3.00 GHz
6573 (77%)

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 i5-1240P Intel Core i5-1240P
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.30 GHz
1611 (100%)
Intel Core i5-12400T Intel Core i5-12400T
Intel UHD Graphics 730 @ 1.45 GHz
557 (35%)

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 i5-1240P Intel Core i5-1240P
12C 16T @ 2.70 GHz
17451 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 3.00 GHz
16570 (95%)

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 i5-1240P Intel Core i5-1240P
12C 16T @ 4.40 GHz
98 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 4.20 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 i5-1240P Intel Core i5-1240P
12C 16T @ 4.40 GHz
630 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 4.20 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 i5-1240P Intel Core i5-1240P
12C 16T @ 4.40 GHz
1688 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 4.20 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 i5-1240P Intel Core i5-1240P
12C 16T @ 2.70 GHz
11268 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 3.00 GHz
0 (0%)

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 i5-1240P Intel Core i5-1240P
12C 16T @ 4.40 GHz
2102 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 4.20 GHz
0 (0%)

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 i5-1240P Intel Core i5-1240P
12C 16T @ 2.70 GHz
7577 (100%)
Intel Core i5-12400T Intel Core i5-12400T
6C 12T @ 3.00 GHz
0 (0%)

Devices using this processor

Intel Core i5-1240P Intel Core i5-12400T
Unknown Unknown

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