Intel Atom Z2420 AMD Ryzen 9 7940HS
VS

Intel Atom Z2420 vs AMD Ryzen 9 7940HS

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank ?
Intel Atom Z2420
Rank ?
AMD Ryzen 9 7940HS
Multi-core performance
Rank ?
Intel Atom Z2420
Rank ?
AMD Ryzen 9 7940HS
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Atom Z2420
PowerVR SGX540
6
AMD Ryzen 9 7940HS
AMD Radeon 780M
4,357

More benchmarks

At a glance

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
FamilyIntel Atom (108)AMD Ryzen 9 (43)
CPU groupIntel Atom Z2400/Z2600 (2)AMD Ryzen 7040 (21)
ArchitecturePenwellPhoenix (Zen 4)
Technology32 nm4 nm
SegmentNotebookNotebook
SocketBGA 617FP8
Predecessor
SuccessorAMD Ryzen 9 8945HS

CPU Cores and Base Frequency

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
CPU Cores / Threads1 / 28 / 16
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 1x 8x Zen 4
Frequency: 1.20 GHz 4.00 GHz
Turbo (1 Core): 5.20 GHz
Turbo (All Cores):
L2-Cache0.50 MB8.00 MB
L3-Cache16.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
GPU namePowerVR SGX540AMD Radeon 780M
GPU frequency0.40 GHz0.80 - 2.80 GHz
CUs / Shader1 / 12 / 768
Raytracing
Max. displays14
Max. GPU Memory32 GB
Technology45nm4 nm
Release dateQ1/2008Q1/2023

NPU AI performance

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
AI hardwareAMD Ryzen™ AI
AI specificationsAMD dedicated AI XDNA Technology
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
MemoryLPDDR2-800 (6.4 GB/s)
LPDDR5X-7500 (120.0 GB/s)
LPDDR5-6400 (102.4 GB/s)
DDR5-5600 (89.6 GB/s)
DDR5-4800 (76.8 GB/s)
Max. Memory1 GB256 GB
Memory channels22
ECCNoYes
PCIe4.0 x 20
PCIe Bandwidth39.4 GB/s

Thermal Management

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
TDP3 W54 W
TDP (PL2)
TDP up
TDP down35 W
T. junction max.90 °C100 °C

Technical details

Wischen
Intel Atom Z2420AMD Ryzen 9 7940HS
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsMMX, SSE3, SSSE3SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
Release dateQ1/2013Q1/2023
Release price
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Atom Z2420 is 3.0 stars (2 ratings), while AMD Ryzen 9 7940HS has received 2.9 stars (333 ratings).

Click on the stars to rate one or both processors.

Intel Atom Z2420
Intel Atom Z2420
1C / 2T · 1.20 GHz
AMD Ryzen 9 7940HS
AMD Ryzen 9 7940HS
8C / 16T · 4.00 - 5.20 GHz

Most popular CPUs in both categories

Intel Atom Z2420
Intel Atom Z2420
Buy now on Amazon and save! Buy on Amazon