Intel Atom Z2420 vs AMD RX-421BD

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Atom Z2420 or Intel Atom Z2420 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Atom Z2420 features 1 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q1/2013 and belongs to the 3 generation of the Intel Atom series.
To use the Intel Atom Z2420, you'll need a motherboard with a BGA 617 socket.
The AMD RX-421BD features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2015 and belongs to the 1 generation of the AMD R series.
To use the AMD RX-421BD, you'll need a motherboard with a FP4 socket.
Mobile Segment Mobile
3 Generation 1
Intel Atom Family AMD R
Intel Atom Z2400/Z2600 Group AMD RX 1st Gen.
Intel Atom Z2420 Name AMD RX-421BD
 
 

CPU Cores and Base Frequency

The Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Atom Z2420 is 1.2 GHz
The processor has one core only.
The AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD RX-421BD is 2.1 GHz
and turbo frequency for one core is 3.4 GHz.
2 Threads 4
normal Core architecture normal
Yes Hyperthreading No
1 CPU Cores 4
1x Cores 4x
None None 3.4 GHz
No Overclocking No
1.2 GHz Frequency 2.1 GHz
 
 

Internal Graphics

The Intel Atom Z2420 has integrated graphics, called iGPU for short.
and 1 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD RX-421BD has integrated graphics, called iGPU for short.
Specifically, the AMD RX-421BD uses the AMD Radeon R7 - 512 (Merlin Falcon), which has 512 texture shaders
and 8 execution units.
-- Generation 3
-- Shaders 512
-- Max. displays --
0.4 GHz GPU frequency 0.8 GHz
-- GPU (Turbo) --
1 Execution units 8
0 bytes Max. GPU Memory 2.0 GB
10.1 Direct X 12
45 nm Technology 28 nm
PowerVR SGX540 GPU name AMD Radeon R7 - 512 (Merlin Falcon)
Q1/2008 Release date 2015
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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 AVC No
No AV1 No
No VP8 No
No JPEG Decode
No h264 Decode / Encode
No h265 / HEVC (10 bit) No
No h265 / HEVC (8 bit) Decode
No VP9 No
No VC-1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 1.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 6.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
1.0 GB Max. Memory 0 bytes
2 Memory channels 2
pci PCIe pci
LPDDR2-800 Memory type DDR3-2133, DDR4-2400
No AES-NI Yes
No ECC Yes
6.4 GB/s Bandwidth --
 
 

Thermal Management

The processor has a thermal design power (TDP) of 3 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 35 W watts.
90 °C Tjunction max 90 °C
None TDP down 12 W
3 W TDP (PL1 / PBP) 35 W
 
 

Technical details

The Intel Atom Z2420 is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD RX-421BD is manufactured using a 28 nm process.
-- Part Number RE421BAAY43KA
BGA 617 Socket FP4
-- Release price --
Technical data sheet Documents Technical data sheet
512.0 KB L2-Cache 2.0 MB
Operating systems
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Monolithic Chip design --
SSE3, MMX, SSSE3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
None Virtualization AMD-V, AMD-Vt
Penwell Architecture Merlin Falcon (Excavator)
0 bytes L3-Cache 0 bytes
32 nm Technology 28 nm
Q1/2013 Release date Q4/2015