AMD RX-421ND vs MediaTek MT6580

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CPU comparison with benchmarks


AMD RX-421ND CPU1 vs CPU2 MediaTek MT6580
AMD RX-421ND MediaTek MT6580

CPU comparison

In this CPU comparison, we compare the AMD RX-421ND and the MediaTek MT6580 and use benchmarks to check which processor is faster.

We compare the AMD RX-421ND 4 core processor released in Q4/2015 with the MediaTek MT6580 which has 4 CPU cores and was introduced in 2015.
AMD R (6) Family Mediatek MT-Serie (72)
AMD RX 1st Gen. (6) CPU group MediaTek MT65xx A7 (14)
1 Generation 1
Merlin Falcon (Excavator) Architecture Cortex-A9
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD RX-421ND is a 4 core processor with a clock frequency of 2.10 GHz (3.40 GHz). The processor can compute 4 threads at the same time. The MediaTek MT6580 clocks with 1.30 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

AMD RX-421ND Characteristic MediaTek MT6580
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.10 GHz Frequency 1.30 GHz
3.40 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 RX-421ND Characteristic MediaTek MT6580
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU ARM Mali-400
GPU frequency 0.40 GHz
-- GPU (Turbo) 0.40 GHz
-- GPU Generation Utgard
Technology 28nm
Max. displays 1
-- Compute units 1
-- Shader 16
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version 0

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 ARM Mali-400
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

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD RX-421ND, while the MediaTek MT6580 supports a maximum of GB of memory with a maximum memory bandwidth of 4.3 GB/s enabled.

AMD RX-421ND Characteristic MediaTek MT6580
DDR4-2400, DDR3-2133 Memory LPDDR3-533, LPDDR2-533
Max. Memory
2 (Dual Channel) Memory channels 1 (Single Channel)
38.4 GB/s Max. Bandwidth 4.3 GB/s
Yes ECC No
2.00 MB L2 Cache --
-- L3 Cache --
3.0 PCIe version --
12 PCIe lanes --
11.8 GB/s PCIe Bandwidth --

Thermal Management

The AMD RX-421ND has a TDP of 35 W. The TDP of the MediaTek MT6580 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD RX-421ND Characteristic MediaTek MT6580
35 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
12 W TDP down --
90 °C Tjunction max. --

Technical details

The AMD RX-421ND has 2.00 MB cache and is manufactured in 28 nm. The cache of MediaTek MT6580 is at 0.00 MB. The processor is manufactured in 28 nm.

AMD RX-421ND Characteristic MediaTek MT6580
28 nm Technology 28 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv7-A (32 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions --
FP4 Socket --
AMD-V, AMD-Vt Virtualization None
Yes AES-NI No
Operating systems Android
Q4/2015 Release date 2015
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD RX-421ND to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the MediaTek MT6580 to help other visitors make their purchasing decisions. The average rating is 1.5 stars (2 ratings). Rate now:


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 RX-421ND AMD RX-421ND
4C 4T @ 3.40 GHz
0 (0%)
MediaTek MT6580 MediaTek MT6580
4C 4T @ 1.30 GHz
67 (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 RX-421ND AMD RX-421ND
4C 4T @ 2.10 GHz
0 (0%)
MediaTek MT6580 MediaTek MT6580
4C 4T @ 1.30 GHz
211 (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 RX-421ND AMD RX-421ND
@ 0.00 GHz
0 (0%)
MediaTek MT6580 MediaTek MT6580
ARM Mali-400 @ 0.40 GHz
4 (100%)

Devices using this processor

AMD RX-421ND MediaTek MT6580
Unknown Unknown

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