AMD RX-421BD vs AMD Ryzen 7 PRO 5845

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD RX-421BD or AMD RX-421BD – 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 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.
The AMD Ryzen 7 PRO 5845 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2022 and belongs to the 4 generation of the AMD Ryzen 5 series.
To use the AMD Ryzen 7 PRO 5845, you'll need a motherboard with a AM4 (PGA 1331) socket.
1 Generation 4
AMD R Family AMD Ryzen 5
AMD RX 1st Gen. Group AMD Ryzen 5000U
AMD RX-421BD Name AMD Ryzen 7 PRO 5845
Mobile Segment Mobile
 
 

CPU Cores and Base Frequency

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.
The AMD Ryzen 7 PRO 5845 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 PRO 5845 is 3.4 GHz
and turbo frequency for one core is 4.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
4 CPU Cores 8
4 Threads 16
3.4 GHz Turbo Frequency (1 core) 4.6 GHz
2.1 GHz Frequency 3.4 GHz
4x Cores 8x
normal Core architecture normal
No Overclocking Yes
No Hyperthreading Yes
 
 

Internal Graphics

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.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 7 PRO 5845 does not have integrated graphics.
3 Generation --
2015 Release date --
-- Max. displays --
8 Execution units --
512 Shaders --
-- GPU (Turbo) --
0.8 GHz GPU frequency --
28 nm Technology --
AMD Radeon R7 - 512 (Merlin Falcon) GPU name
2.0 GB Max. GPU Memory 0 bytes
12 Direct X --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
0 bytes Max. Memory 64.0 GB
DDR3-2133, DDR4-2400 Memory type LPDDR4-3200
Yes AES-NI Yes
-- Bandwidth 51.2 GB/s
Yes ECC No
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 35 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 65 W watts.
35 W TDP (PL1 / PBP) 65 W
90 °C Tjunction max 95 °C
12 W TDP down None
 
 

Technical details

The AMD RX-421BD is manufactured using a 28 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 Ryzen 7 PRO 5845 is manufactured using a 7 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Q4/2015 Release date Q3/2022
Merlin Falcon (Excavator) Architecture Cezanne (Zen 3)
Technical data sheet Documents Technical data sheet
AMD-V, AMD-Vt Virtualization AMD-V, SVM
-- Chip design Chiplet
0 bytes L3-Cache 32.0 MB
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
28 nm Technology 7 nm
FP4 Socket AM4 (PGA 1331)
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
RE421BAAY43KA Part Number 100-000000832
-- Release price --
Operating systems Windows 10, Linux, Windows 11
2.0 MB L2-Cache 4.0 MB