AMD Ryzen 5 7640S vs Intel Atom C3436L

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CPU comparison with benchmarks


AMD Ryzen 5 7640S CPU1 vs CPU2 Intel Atom C3436L
AMD Ryzen 5 7640S Intel Atom C3436L

CPU comparison

AMD Ryzen 5 7640S or Intel Atom C3436L - 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 AMD Ryzen 5 7640S has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 7640S was released in Q2/2023.

The Intel Atom C3436L has 4 cores with 4 threads and clocks with a maximum frequency of 1.30 GHz. The CPU supports up to 256 GB of memory in 1 memory channels. The Intel Atom C3436L was released in Q2/2020.
AMD Ryzen 5 (86) Family Intel Atom (108)
AMD Ryzen 7040 (21) CPU group Intel Atom C3000 (20)
6 Generation 5
Phoenix (Zen 4) Architecture Denverton
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 7640S is a 6 core processor with a clock frequency of 3.50 GHz (4.90 GHz). The Intel Atom C3436L has 4 CPU cores with a clock frequency of 1.30 GHz.

AMD Ryzen 5 7640S Characteristic Intel Atom C3436L
6 Cores 4
12 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.50 GHz Frequency 1.30 GHz
4.90 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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.

AMD Ryzen 5 7640S Characteristic Intel Atom C3436L
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.

AMD Radeon 760M GPU no iGPU
0.80 GHz GPU frequency --
2.60 GHz GPU (Turbo) --
10 GPU Generation --
4 nm Technology
4 Max. displays
8 Compute units --
512 Shader --
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 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.

AMD Radeon 760M 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 Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD Ryzen 5 7640S supports a maximum of 256 GB of memory in 2 memory channels. The Intel Atom C3436L can connect up to 256 GB of memory in 1 memory channels.

AMD Ryzen 5 7640S Characteristic Intel Atom C3436L
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR4-1866
256 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
120.0 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC Yes
6.00 MB L2 Cache 8.00 MB
16.00 MB L3 Cache --
4.0 PCIe version 3.0
20 PCIe lanes 10
39.4 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 5 7640S has a TDP of 18 W, that of the Intel Atom C3436L is 10.75 W.

AMD Ryzen 5 7640S Characteristic Intel Atom C3436L
18 W TDP (PL1 / PBP) 10.75 W
-- TDP (PL2) --
28 W TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 7640S has a 22.00 MB cache, while the Intel Atom C3436L cache has a total of 8.00 MB.

AMD Ryzen 5 7640S Characteristic Intel Atom C3436L
4 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2
FP8 Socket BGA 1310
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2023 Release date Q2/2020
-- Release price 64 $
show more data show more data


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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.
AMD Ryzen 5 7640S AMD Ryzen 5 7640S
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Atom C3436L Intel Atom C3436L
@ 0.00 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 7640S Intel Atom C3436L
Unknown Unknown

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