AMD RX-421BD Intel Core i9-14900
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AMD RX-421BD vs Intel Core i9-14900

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank ?
AMD RX-421BD
Rank ?
Intel Core i9-14900
Multi-core performance
Rank ?
AMD RX-421BD
Rank ?
Intel Core i9-14900
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon)
820
Intel Core i9-14900
Intel UHD Graphics 770
846

More benchmarks

At a glance

Wischen
AMD RX-421BDIntel Core i9-14900
FamilyAMD R (6)Intel Core i9 (81)
CPU groupAMD RX 1st Gen. (6)Intel Core i 14000 (34)
ArchitectureMerlin Falcon (Excavator)Raptor Lake S Refresh
Technology28 nm10 nm
SegmentNotebookDesktop
SocketFP4LGA 1700
PredecessorIntel Core i9-13900
Successor

CPU Cores and Base Frequency

Wischen
AMD RX-421BDIntel Core i9-14900
CPU Cores / Threads4 / 424 / 32
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 4x
2.10 - 3.40 GHz
8x Raptor Cove
2.00 - 5.80 GHz
Core Cluster 2: 16x Gracemont
1.50 - 4.30 GHz
L2-Cache2.00 MB32.00 MB
L3-Cache36.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
AMD RX-421BDIntel Core i9-14900
GPU nameAMD Radeon R7 - 512 (Merlin Falcon)Intel UHD Graphics 770
GPU frequency0.80 GHz0.30 - 1.65 GHz
CUs / Shader8 / 51232 / 256
Raytracing
Max. displays33
Max. GPU Memory2 GB64 GB
Technology2810 nm
Release date2015Q4/2021

NPU AI performance

Wischen
AMD RX-421BDIntel Core i9-14900
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
AMD RX-421BDIntel Core i9-14900
MemoryDDR4-2400 (38.4 GB/s)
DDR3-2133 (34.2 GB/s)
DDR5-5600 (89.6 GB/s)
DDR4-3200 (51.2 GB/s)
Max. Memory192 GB
Memory channels22
ECCYesYes
PCIe3.0 x 125.0 x 20
PCIe Bandwidth11.8 GB/s78.8 GB/s

Thermal Management

Wischen
AMD RX-421BDIntel Core i9-14900
TDP35 W65 W
TDP (PL2)219 W
TDP up
TDP down12 W
T. junction max.90 °C100 °C

Technical details

Wischen
AMD RX-421BDIntel Core i9-14900
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, AVX2+
Release dateQ4/2015Q1/2024
Release price549 $
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 i9-14900 has received 4.0 stars (47 ratings).

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AMD RX-421BD
AMD RX-421BD
4C / 4T · 2.10 - 3.40 GHz
Intel Core i9-14900
Intel Core i9-14900
24C / 32T · 2.00 - 5.80 GHz

Most popular CPUs in both categories

AMD RX-421BD
AMD RX-421BD
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