AMD Ryzen 7 7840HS vs AMD Ryzen 7 8745HS — Specifiche, prestazioni, test

Differenze
Specifiche Benchmark (test) Testimonianze

Differenze

Motivi da considerare
AMD Ryzen 7 7840HS

Segnala un bug

Posizione nella classifica generale

(sulla base di diversi parametri di riferimento)

49 posto
Velocità di clock turbo più alta

Intorno a 4% higher specified turbo frequency

5.1 GHz 4.9 GHz

Posizioni in tutte le classifiche

Posizioni comuni AMD Ryzen 7 7840HS CPU in benchmark popolari, per un confronto con altri modelli.

Cinebench R23 (Single-Core)

27 place
Cinebench R23 (Multi-Core)

54 place
Geekbench 5, 64bit (Single-Core)

27 place
Geekbench 5, 64bit (Multi-Core)

84 place
iGPU - FP32 Performance (Single-precision GFLOPS)

13 place
Estimated results for PassMark CPU Mark

65 place
Geekbench 6 (Single-Core)

15 place
Geekbench 6 (Multi-Core)

20 place

Motivi da considerare
AMD Ryzen 7 8745HS

Segnala un bug

Specifiche

Dati tecnici

AMD Ryzen 7 7840HS

AMD Ryzen 7 8745HS

Famiglia e gruppo di CPU

Informazioni di base sui processori a confronto, serie, generazione e segmento di mercato.

Gruppo CPU

AMD Ryzen 7040 -
Serie

Ryzen Ryzen
Form Factor

Laptops / Desktops Laptops / Desktops
Generazione

6 -
Segmento

Mobile Mobile
Series

Ryzen 7000 Series Ryzen 8000 Series

Specifiche tecniche della CPU

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

Base Frequency

3.8 GHz 3.8 GHz
Architettura di base

normal -
Core Configuration

8x Zen 4 -
Core della CPU

8 8
Threads della CPU

16 16
Hyperthreading / SMT

Sì -
Max. Boost Clock

5.1 GHz 4.9 GHz
Overclock

No No
Turbo Frequency (1 Core)

5.1 GHz -

IGPU

La grafica interna non influisce sulle prestazioni della CPU, ma svolge il lavoro della scheda grafica in sua assenza o su dispositivi mobili.

DirectX Version

12 -
Unità di esecuzione

12 -
Generazione

10 -
GPU Frequency

2700 MHz 2600 MHz
Nome della GPU

AMD Radeon 780M AMD Radeon 780M
GPU Turbo

2700 MHz -
Graphics Cores

12 12
Max. displays

4 -
Max. GPU Memory

32 GB -
Data di rilascio

Q1/2023 -
Shader

768 -
Processo tecnico

4 nm -

Supporto codec hardware

Codec integrati utilizzati per codificare e decodificare i contenuti. Velocizza notevolmente le operazioni richieste.

AV1

Decode / Encode -
H.264 / AVC

Conflicting source values: Decode | Decode / Encode -
h265 / HEVC (8 bit)

Decode / Encode -
h265 / HEVC (10 bit)

Decode / Encode -
JPEG

Decode / Encode -
VC-1

Decode -
VP8

Decode -
VP9

Decode -

Specifiche di memoria e PCI

Tipi, quantità di canali di RAM supportati da AMD Ryzen 7 8745HS e AMD Ryzen 7 7840HS. A seconda delle schede madri, possono essere supportate frequenze di memoria più alte o più basse.

ECC

Sì -
Max. Memoria

256 GB -
Memory Bandwidth

89.6 GB/s -
Canali di memoria

2 2
Tipo di memoria

DDR5 (FP7r2) / LPDDR5X (FP7-FP8) DDR5 (FP7r2) / LPDDR5X (FP7-FP8)
PCIe

PCIe 4.0 PCIe 4.0

Crittografia

AES-NI

Sì -

Consumo di energia

Confrontare i requisiti TDP di TDP AMD Ryzen 7 7840HS e AMD Ryzen 7 8745HS Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Configurable TDP

35-54 W 35-54 W
Default TDP

35-54 W 45 W
Maximum Operating Temperature

100 °C 100 °C
TDP (PL1 / PBP, legacy combined label)

54 W -
TDP down

35 W -

Tecnologie ed estensioni

Architettura, interfacce, istruzioni aggiuntive supportate da AMD Ryzen 7 7840HS e AMD Ryzen 7 8745HS, tecnologie per macchine virtuali e tecnologia di processo.

Architettura

Phoenix (Zen 4) -
Chip design

Monolithic -
Codename

Phoenix Hawk Point
Specifica

Technical data sheet -
Set di istruzioni (ISA)

x86-64 (64 bit) -
Estensioni ISA

SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 -
L2-Cache

8 MB 8 MB
L3-Cache

16 MB 16 MB
Operating systems

Windows 10, Windows 11, Linux -
Part Number

100-000001129 -
Data di rilascio

Q4/2023 2024-06-18
Presa

FP7 / FP7r2 / FP8 FP7r2 / FP8
Processo tecnico

TSMC 4nm FinFET TSMC 4nm FinFET
Virtualizzazione

AMD-V, SVM -

Benchmark (test)

Test di performance CPUs

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

Cinebench 2024 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	923 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	104 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

RandomX / XMRig 6.25.0 / 1M / 8 threads / linux

Model	Result	Reported conditions
AMD Ryzen 7 8745HS	4864.546697 H/s	RandomX / XMRig 6.25.0 / 1M / 8 threads / linux System RAM: 64 GB OS: Linux x86_64 Duration: 205.569 s User-submitted run; tuning and power settings are incomplete.

Cinebench R23 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	15979 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	1737 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	6250 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / single thread

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	673 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	2505 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / single thread

Model	Result	Reported conditions
AMD Ryzen 7 7840HS	274 points	System: Acemagic AM18 CPU / power label: R7 7840HS 54 W / 45 W Graphics: Radeon 780M RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.