Intel Celeron 7305L vs Intel Atom C3558R

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CPU comparison with benchmarks


Intel Celeron 7305L CPU1 vs CPU2 Intel Atom C3558R
Intel Celeron 7305L Intel Atom C3558R

CPU comparison

Intel Celeron 7305L or Intel Atom C3558R - 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 Celeron 7305L has 5 cores with 6 threads and clocks with a maximum frequency of 1.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Celeron 7305L was released in Q3/2022.

The Intel Atom C3558R has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3558R was released in Q2/2020.
Intel Celeron (165) Family Intel Atom (108)
Intel Celeron 7000 (3) CPU group Intel Atom C3000 (20)
12 Generation 5
Alder Lake U Architecture Denverton
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron 7305L has 5 CPU cores and can calculate 6 threads in parallel. The clock frequency of the Intel Celeron 7305L is 1.00 GHz while the Intel Atom C3558R has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom C3558R is at 2.40 GHz.

Intel Celeron 7305L Characteristic Intel Atom C3558R
5 Cores 4
6 Threads 4
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
1.00 GHz
1x Golden Cove
A-Core 2.40 GHz
0.90 GHz
4x Gracemont
B-Core --

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 Celeron 7305L Characteristic Intel Atom C3558R
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Celeron 7305L or Intel Atom C3558R 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 12th Gen (48 EU) GPU no iGPU
0.20 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
12 GPU Generation --
10 nm Technology
3 Max. displays
48 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
64 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.

Intel UHD Graphics 12th Gen (48 EU) 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 / Encode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Celeron 7305L can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 76.8 GB/s. The Intel Atom C3558R supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Celeron 7305L Characteristic Intel Atom C3558R
DDR5-4800, DDR4-3200 Memory DDR4-2400
64 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
3.25 MB L2 Cache 8.00 MB
8.00 MB L3 Cache --
4.0 PCIe version 3.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 19.7 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Celeron 7305L is 15 W, while the Intel Atom C3558R has a TDP of 17 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Celeron 7305L Characteristic Intel Atom C3558R
15 W TDP (PL1 / PBP) 17 W
55 W TDP (PL2) --
28 W TDP up --
12 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Celeron 7305L is manufactured in 10 nm and has 11.25 MB cache. The Intel Atom C3558R is manufactured in 14 nm and has a 8.00 MB cache.

Intel Celeron 7305L Characteristic Intel Atom C3558R
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 ISA extensions SSE4.1, SSE4.2
BGA 1744 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q3/2022 Release date Q2/2020
107 $ Release price 96 $
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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 Celeron 7305L Intel Celeron 7305L
Intel UHD Graphics 12th Gen (48 EU) @ 1.10 GHz
844 (100%)
Intel Atom C3558R Intel Atom C3558R
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Celeron 7305L Intel Atom C3558R
Unknown Unknown

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