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.
AMD R Family AMD Ryzen 5
Mobile Segment Mobile
AMD RX-421BD Name AMD Ryzen 7 PRO 5845
AMD RX 1st Gen. Group AMD Ryzen 5000U
1 Generation 4
 
 

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.
4x Cores 8x
2.1 GHz Frequency 3.4 GHz
4 CPU Cores 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking Yes
4 Threads 16
3.4 GHz Turbo Frequency (1 core) 4.6 GHz
 
 

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.
-- GPU (Turbo) --
2015 Release date --
8 Execution units --
12 Direct X --
-- Max. displays --
512 Shaders --
AMD Radeon R7 - 512 (Merlin Falcon) GPU name
0.8 GHz GPU frequency --
2.0 GB Max. GPU Memory 0 bytes
3 Generation --
28 nm Technology --
 
 

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

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.
Yes AES-NI Yes
0 bytes Max. Memory 64.0 GB
-- Bandwidth 51.2 GB/s
DDR3-2133, DDR4-2400 Memory type LPDDR4-3200
pci PCIe pci
2 Memory channels 2
Yes ECC No
 
 

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.
12 W TDP down None
35 W TDP (PL1 / PBP) 65 W
90 °C Tjunction max 95 °C
 
 

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