AMD GX-420CA vs AMD Athlon PRO 300U

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CPU comparison with benchmarks


AMD GX-420CA CPU1 vs CPU2 AMD Athlon PRO 300U
AMD GX-420CA AMD Athlon PRO 300U

CPU comparison

AMD GX-420CA or AMD Athlon PRO 300U - 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 GX-420CA has 4 cores with 4 threads and clocks with a maximum frequency of 2.00 GHz. Up to 16 GB of memory is supported in 1 memory channels. The AMD GX-420CA was released in Q2/2013.

The AMD Athlon PRO 300U has 2 cores with 4 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The AMD Athlon PRO 300U was released in Q1/2019.
AMD G (38) Family AMD Athlon (29)
AMD G-Series 1st Gen (9) CPU group AMD Athlon PRO 300 (2)
1 Generation 6
Temash (Jaguar) Architecture Picasso (Zen+)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD GX-420CA has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD GX-420CA is 2.00 GHz while the AMD Athlon PRO 300U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon PRO 300U is at 2.40 GHz (3.30 GHz).

AMD GX-420CA Characteristic AMD Athlon PRO 300U
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
2.00 GHz Frequency 2.40 GHz
-- Turbo Frequency (1 Core) 3.30 GHz
-- Turbo Frequency (All Cores) 2.40 GHz

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.

AMD GX-420CA Characteristic AMD Athlon PRO 300U
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD GX-420CA or AMD Athlon PRO 300U 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.

AMD Radeon HD 8400 GPU AMD Radeon RX Vega 3 (Raven Ridge)
0.60 GHz GPU frequency 1.00 GHz
-- GPU (Turbo) --
5 GPU Generation 8
28 nm Technology 14 nm
2 Max. displays 3
2 Compute units 3
128 Shader 192
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.1 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.

AMD Radeon HD 8400 GPU AMD Radeon RX Vega 3 (Raven Ridge)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD GX-420CA can use up to 16 GB of memory in 1 memory channels. The maximum memory bandwidth is 12.8 GB/s. The AMD Athlon PRO 300U supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

AMD GX-420CA Characteristic AMD Athlon PRO 300U
DDR3-1600 Memory DDR4-2400
16 GB Max. Memory 32 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 38.4 GB/s
Yes ECC Yes
2.00 MB L2 Cache --
-- L3 Cache 4.00 MB
2.0 PCIe version 3.0
8 PCIe lanes 12
4.0 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD GX-420CA is 25 W, while the AMD Athlon PRO 300U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD GX-420CA Characteristic AMD Athlon PRO 300U
25 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 105 °C

Technical details

The AMD GX-420CA is manufactured in 28 nm and has 2.00 MB cache. The AMD Athlon PRO 300U is manufactured in 12 nm and has a 4.00 MB cache.

AMD GX-420CA Characteristic AMD Athlon PRO 300U
28 nm Technology 12 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FT3 Socket FP5
AMD-V Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q2/2013 Release date Q1/2019
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD GX-420CA to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the AMD Athlon PRO 300U to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD GX-420CA (27%)
AMD Athlon PRO 300U (100%)
⌀ Multi core performance in 3 CPU benchmarks
AMD GX-420CA (42%)
AMD Athlon PRO 300U (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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
258 (30%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
867 (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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
876 (47%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
1878 (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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
230 (24%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
961 (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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
682 (34%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
1986 (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.
AMD GX-420CA AMD GX-420CA
AMD Radeon HD 8400 @ 0.60 GHz
154 (40%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
AMD Radeon RX Vega 3 (Raven Ridge) @ 1.00 GHz
384 (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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
1796 (44%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
4075 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
0 (0%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
138 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD GX-420CA AMD GX-420CA
4C 4T @ 2.00 GHz
0 (0%)
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
344 (100%)

Devices using this processor

AMD GX-420CA AMD Athlon PRO 300U
Unknown Unknown

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