Intel Atom C2538 vs Intel Core i5-12450H

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CPU comparison with benchmarks


Intel Atom C2538 CPU1 vs CPU2 Intel Core i5-12450H
Intel Atom C2538 Intel Core i5-12450H

CPU comparison

Intel Atom C2538 or Intel Core i5-12450H - 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 Atom C2538 has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Atom C2538 was released in Q3/2013.

The Intel Core i5-12450H has 8 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-12450H was released in Q1/2022.
Intel Atom (108) Family Intel Core i5 (331)
Intel Atom C2000 (7) CPU group Intel Core i 12000H (23)
3 Generation 12
Avoton Architecture Alder Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor Intel Core i5-13420H

CPU Cores and Base Frequency

The Intel Atom C2538 is a 4 core processor with a clock frequency of 2.40 GHz. The Intel Core i5-12450H has 8 CPU cores with a clock frequency of 2.00 GHz (4.40 GHz).

Intel Atom C2538 Characteristic Intel Core i5-12450H
4 Cores 8
4 Threads 12
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
2.40 GHz A-Core 2.00 GHz (4.40 GHz)
4x Golden Cove
-- B-Core 1.50 GHz (3.30 GHz)
4x Gracemont

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 Atom C2538 Characteristic Intel Core i5-12450H
-- AI hardware --
-- AI specifications --

Internal Graphics

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 Intel UHD Graphics 12th Gen (48 EU)
GPU frequency 0.20 GHz
-- GPU (Turbo) 1.20 GHz
-- GPU Generation 12
Technology 10 nm
Max. displays 3
-- Compute units 48
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 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 Intel UHD Graphics 12th Gen (48 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom C2538 supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core i5-12450H can connect up to 64 GB of memory in 2 memory channels.

Intel Atom C2538 Characteristic Intel Core i5-12450H
DDR3L-1600, DDR3-1600 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 83.2 GB/s
Yes ECC No
2.00 MB L2 Cache 7.00 MB
-- L3 Cache 12.00 MB
2.0 PCIe version 4.0
16 PCIe lanes 28
8.0 GB/s PCIe Bandwidth 55.1 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C2538 has a TDP of 15 W, that of the Intel Core i5-12450H is 45 W.

Intel Atom C2538 Characteristic Intel Core i5-12450H
15 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) 115 W
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Atom C2538 has a 2.00 MB cache, while the Intel Core i5-12450H cache has a total of 19.00 MB.

Intel Atom C2538 Characteristic Intel Core i5-12450H
22 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
BGA 1283 Socket BGA 1744
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2013 Release date Q1/2022
104 $ Release price 311 $
show more data show more data


Rate these processors

Here you can rate the Intel Atom C2538 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Core i5-12450H to help other visitors make their purchasing decisions. The average rating is 3.8 stars (38 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom C2538 (14%)
Intel Core i5-12450H (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom C2538 (8%)
Intel Core i5-12450H (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 Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
236 (14%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 4.40 GHz
1650 (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 Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
827 (11%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 3.40 GHz
7786 (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 Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
960 (5%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 3.40 GHz
18072 (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.
Intel Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
0 (0%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 3.40 GHz
10305 (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.
Intel Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
0 (0%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 4.40 GHz
2218 (100%)

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 Atom C2538 Intel Atom C2538
4C 4T @ 2.40 GHz
0 (0%)
Intel Core i5-12450H Intel Core i5-12450H
8C 12T @ 3.40 GHz
8862 (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 Atom C2538 Intel Atom C2538
@ 0.00 GHz
0 (0%)
Intel Core i5-12450H Intel Core i5-12450H
Intel UHD Graphics 12th Gen (48 EU) @ 1.20 GHz
921 (100%)

Devices using this processor

Intel Atom C2538 Intel Core i5-12450H
Unknown Unknown

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