AMD GX-416RA vs AMD RX-421BD

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CPU comparison with benchmarks


AMD GX-416RA CPU1 vs CPU2 AMD RX-421BD
AMD GX-416RA AMD RX-421BD

CPU comparison

AMD GX-416RA or AMD RX-421BD - 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-416RA has 4 cores with 4 threads and clocks with a maximum frequency of 1.60 GHz. Up to 16 GB of memory is supported in 1 memory channels. The AMD GX-416RA was released in Q2/2013.

The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421BD was released in Q4/2015.
AMD G (38) Family AMD R (6)
AMD G-Series 1st Gen (9) CPU group AMD RX 1st Gen. (6)
1 Generation 1
Temash (Jaguar) Architecture Merlin Falcon (Excavator)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD GX-416RA has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD GX-416RA is 1.60 GHz while the AMD RX-421BD has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD RX-421BD is at 2.10 GHz (3.40 GHz).

AMD GX-416RA Characteristic AMD RX-421BD
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
1.60 GHz Frequency 2.10 GHz
-- Turbo Frequency (1 Core) 3.40 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 GX-416RA Characteristic AMD RX-421BD
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD GX-416RA or AMD RX-421BD 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 AMD Radeon R7 - 512 (Merlin Falcon)
GPU frequency 0.80 GHz
-- GPU (Turbo) --
-- GPU Generation 3
Technology 28
Max. displays 3
-- Compute units 8
-- Shader 512
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 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 AMD Radeon R7 - 512 (Merlin Falcon)
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG Decode

Memory & PCIe

The AMD GX-416RA can use up to 16 GB of memory in 1 memory channels. The maximum memory bandwidth is 12.8 GB/s. The AMD RX-421BD supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

AMD GX-416RA Characteristic AMD RX-421BD
DDR3-1600 Memory DDR4-2400, DDR3-2133
16 GB Max. Memory
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 2.00 MB
-- L3 Cache --
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-416RA is 15 W, while the AMD RX-421BD has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD GX-416RA Characteristic AMD RX-421BD
15 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 12 W
90 °C Tjunction max. 90 °C

Technical details

The AMD GX-416RA is manufactured in 28 nm and has 2.00 MB cache. The AMD RX-421BD is manufactured in 28 nm and has a 2.00 MB cache.

AMD GX-416RA Characteristic AMD RX-421BD
28 nm Technology 28 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, AVX, FMA3, FMA4
FT3 Socket FP4
AMD-V Virtualization AMD-V, AMD-Vt
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q2/2013 Release date Q4/2015
-- Release price --
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 GX-416RA AMD GX-416RA
@ 0.00 GHz
0 (0%)
AMD RX-421BD AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz
820 (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-416RA AMD GX-416RA
4C 4T @ 1.60 GHz
1430 (100%)
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)

Devices using this processor

AMD GX-416RA AMD RX-421BD
Unknown Unknown

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