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Intel Atom Z3775 vs AMD Ryzen 9 8945HS

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 12 %

Intel Atom Z3775

Rank 1 - 100 %

AMD Ryzen 9 8945HS

Multi-core performance

Rank 2 - 5 %

Intel Atom Z3775

Rank 1 - 100 %

AMD Ryzen 9 8945HS

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 4T · 2.39 GHz

235

8C / 16T · 5.20 GHz

1,974

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 4T · 1.46 GHz

803

8C / 16T · 4.00 GHz

11,600

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics (Bay Trail GT1)

AMD Radeon 780M

4,357

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

PassMark CPU-Mark
2,504 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
Family	Intel Atom (108)	AMD Ryzen 9 (43)
CPU group	Intel Atom Z3700 (16)	AMD Ryzen 8040 (22)
Architecture	Bay Trail	Hawk Point (Zen 4)
Technology	22 nm	4 nm
Segment	Notebook	Notebook
Socket	BGA 1380	FP8
Predecessor		AMD Ryzen 9 7940HS
Successor		AMD Ryzen AI 9 365

CPU Cores and Base Frequency

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
CPU Cores / Threads	4 / 4	8 / 16
Hyperthreading / SMT	✗	✓
Core architecture	normal	normal
Cores:	4x	8x Zen 4
Frequency:	1.46 GHz	4.00 GHz
Turbo (1 Core):	2.39 GHz	5.20 GHz
Turbo (All Cores):
L2-Cache		8.00 MB
L3-Cache	2.00 MB	16.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
GPU name	Intel HD Graphics (Bay Trail GT1)	AMD Radeon 780M
GPU frequency	0.31 - 0.78 GHz	0.80 - 2.80 GHz
CUs / Shader	4 / 32	12 / 768
Raytracing	✗	✓
Max. displays	2	4
Max. GPU Memory	2 GB	32 GB
Technology	22 nm	4 nm
Release date	Q3/2013	Q1/2023

NPU AI performance

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
AI hardware		AMD Ryzen™ AI
AI specifications		AMD Ryzen™ AI (XDNA) @ 16 TOPS
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
Memory	LPDDR3-1066 (17.1 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. Memory	4 GB	256 GB
Memory channels	2	2
ECC	No	No
PCIe		4.0 x 20
PCIe Bandwidth		39.4 GB/s

Thermal Management

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
TDP	3.5 W	45 W
TDP (PL2)
TDP up		54 W
TDP down		35 W
T. junction max.	90 °C	100 °C

Technical details

Wischen	Intel Atom Z3775	AMD Ryzen 9 8945HS
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems		Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
Release date	Q1/2014	Q1/2024
Release price
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Atom Z3775 is 5.0 stars (1 ratings), while AMD Ryzen 9 8945HS has received 2.3 stars (470 ratings).

Click on the stars to rate one or both processors.

Intel Atom Z3775
4C / 4T · 1.46 - 2.39 GHz

★★★★★

AMD Ryzen 9 8945HS
8C / 16T · 4.00 - 5.20 GHz

★★★★★