AMD RX-421BD Intel Core i5-8400H
VS

AMD RX-421BD vs Intel Core i5-8400H

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank ?
AMD RX-421BD
Rank ?
Intel Core i5-8400H
Multi-core performance
Rank ?
AMD RX-421BD
Rank ?
Intel Core i5-8400H
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

AMD RX-421BD
AMD RX-421BD 100 %
AMD Radeon R7 - 512 (Merlin Falcon)
820
Intel Core i5-8400H
Intel HD Graphics 630
422

More benchmarks

At a glance

Wischen
AMD RX-421BDIntel Core i5-8400H
FamilyAMD R (6)Intel Core i5 (336)
CPU groupAMD RX 1st Gen. (6)Intel Core i 8000H (6)
ArchitectureMerlin Falcon (Excavator)Coffee Lake H
Technology28 nm14 nm
SegmentNotebookNotebook
SocketFP4BGA 1440
Predecessor
SuccessorIntel Core i5-9400H

CPU Cores and Base Frequency

Wischen
AMD RX-421BDIntel Core i5-8400H
CPU Cores / Threads4 / 44 / 8
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 4x
Frequency: 2.10 GHz 2.50 GHz
Turbo (1 Core): 3.40 GHz 4.20 GHz
Turbo (All Cores): 3.70 GHz
L2-Cache2.00 MB
L3-Cache8.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
AMD RX-421BDIntel Core i5-8400H
GPU nameAMD Radeon R7 - 512 (Merlin Falcon)Intel HD Graphics 630
GPU frequency0.80 GHz0.30 - 1.10 GHz
CUs / Shader8 / 51224 / 192
Raytracing
Max. displays33
Max. GPU Memory2 GB64 GB
Technology2814 nm
Release date2015Q2/2016

NPU AI performance

Wischen
AMD RX-421BDIntel Core i5-8400H
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
AMD RX-421BDIntel Core i5-8400H
MemoryDDR4-2400 (38.4 GB/s)
DDR3-2133 (34.2 GB/s)
DDR4-2666 (42.7 GB/s)
Max. Memory64 GB
Memory channels22
ECCYesNo
PCIe3.0 x 123.0 x 16
PCIe Bandwidth11.8 GB/s15.8 GB/s

Thermal Management

Wischen
AMD RX-421BDIntel Core i5-8400H
TDP35 W45 W
TDP (PL2)
TDP up
TDP down12 W
T. junction max.90 °C

Technical details

Wischen
AMD RX-421BDIntel Core i5-8400H
Chip designUnknownMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4SSE4.1, SSE4.2, AVX2
Release dateQ4/2015Q2/2018
Release price
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of AMD RX-421BD is 0 stars (0 ratings), while Intel Core i5-8400H has received 4.7 stars (3 ratings).

Click on the stars to rate one or both processors.

AMD RX-421BD
AMD RX-421BD
4C / 4T · 2.10 - 3.40 GHz
Intel Core i5-8400H
Intel Core i5-8400H
4C / 8T · 2.50 - 4.20 GHz

Most popular CPUs in both categories

AMD RX-421BD
AMD RX-421BD
Buy now on Amazon and save! Buy on Amazon