AMD Ryzen 5 2500X vs AMD Athlon II X3 405e

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CPU comparison with benchmarks


AMD Ryzen 5 2500X CPU1 vs CPU2 AMD Athlon II X3 405e
AMD Ryzen 5 2500X AMD Athlon II X3 405e

CPU comparison

AMD Ryzen 5 2500X or AMD Athlon II X3 405e - 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 2500X has 4 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 2500X was released in Q2/2018.

The AMD Athlon II X3 405e has 3 cores with 3 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X3 405e was released in Q3/2009.
AMD Ryzen 5 (86) Family AMD Athlon II (52)
AMD Ryzen 2000 (9) CPU group AMD Athlon II X3 (Rana) (12)
2 Generation 1
Pinnacle Ridge (Zen+) Architecture Rana
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 2500X has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD Ryzen 5 2500X is 3.60 GHz (4.00 GHz) while the AMD Athlon II X3 405e has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X3 405e is at 2.30 GHz.

AMD Ryzen 5 2500X Characteristic AMD Athlon II X3 405e
4 Cores 3
8 Threads 3
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? No
3.60 GHz Frequency 2.30 GHz
4.00 GHz Turbo Frequency (1 Core) --
3.80 GHz 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 2500X Characteristic AMD Athlon II X3 405e
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen 5 2500X or AMD Athlon II X3 405e 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.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The AMD Ryzen 5 2500X can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 46.9 GB/s. The AMD Athlon II X3 405e supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD Ryzen 5 2500X Characteristic AMD Athlon II X3 405e
DDR4-2933 Memory DDR3-1333
64 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
46.9 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache 1.50 MB
16.00 MB L3 Cache --
3.0 PCIe version 2.0
20 PCIe lanes --
19.7 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 2500X is 95 W, while the AMD Athlon II X3 405e has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 5 2500X Characteristic AMD Athlon II X3 405e
95 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
95 °C Tjunction max. --

Technical details

The AMD Ryzen 5 2500X is manufactured in 12 nm and has 16.00 MB cache. The AMD Athlon II X3 405e is manufactured in 45 nm and has a 1.50 MB cache.

AMD Ryzen 5 2500X Characteristic AMD Athlon II X3 405e
12 nm Technology 45 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions MMX, 3DNow!, SSE3, SSE4a
AM4 (PGA 1331) Socket AM3
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2018 Release date Q3/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Ryzen 5 2500X (100%)
AMD Athlon II X3 405e (29%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Ryzen 5 2500X (100%)
AMD Athlon II X3 405e (18%)

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.
AMD Ryzen 5 2500X AMD Ryzen 5 2500X
4C 8T @ 4.00 GHz
988 (100%)
AMD Athlon II X3 405e AMD Athlon II X3 405e
3C 3T @ 2.30 GHz
287 (29%)

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.
AMD Ryzen 5 2500X AMD Ryzen 5 2500X
4C 8T @ 3.80 GHz
3755 (100%)
AMD Athlon II X3 405e AMD Athlon II X3 405e
3C 3T @ 2.30 GHz
776 (21%)

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.
AMD Ryzen 5 2500X AMD Ryzen 5 2500X
4C 8T @ 3.80 GHz
9503 (100%)
AMD Athlon II X3 405e AMD Athlon II X3 405e
3C 3T @ 2.30 GHz
1330 (14%)

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.
AMD Ryzen 5 2500X AMD Ryzen 5 2500X
4C 8T @ 4.00 GHz
1028 (100%)
AMD Athlon II X3 405e AMD Athlon II X3 405e
3C 3T @ 2.30 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 2500X AMD Athlon II X3 405e
Unknown Unknown

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