AMD Ryzen 9 8940HX vs AMD Ryzen 9 9955HX — 仕様・性能・テスト

相違点
 仕様ベンチマークお客様の声

相違点

考慮すべき理由
AMD Ryzen 9 8940HX

バグを報告する

考慮すべき理由
AMD Ryzen 9 9955HX

バグを報告する

クロックの高速化

周辺 4% クロックスピードの向上

2.5 GHz 2.4 GHz
ターボクロックの高速化

周辺 2 % higher specified turbo frequency

5.4 GHz 5.3 GHz

仕様

技術データ

AMD Ryzen 9 8940HX

AMD Ryzen 9 9955HX

CPUファミリー、グループ

比較するプロセッサの背景情報、シリーズ、世代、市場セグメント。

シリーズ

Ryzen Ryzen
Form Factor

Laptops / Desktops Laptops / Desktops
セグメント

Mobile Mobile
Series

Ryzen 8000 Series Ryzen 9000 Series

CPU 技術仕様

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

Base Frequency

2.4 GHz 2.5 GHz
CPUコア

16 16
CPUスレッド

32 32
Max. Boost Clock

5.3 GHz 5.4 GHz
オーバークロッキング

はいはい

IGPU

内蔵グラフィックスは、CPUの性能に影響を与えず、グラフィックスカードがない場合やモバイルデバイスでグラフィックスカードの仕事を実行します。

GPU Frequency

2200 MHz 2200 MHz
GPU名

AMD Radeon 610M AMD Radeon 610M
Graphics Cores

2 2

メモリスペック＆PCI

サポートするRAMの種類、チャンネル数 AMD Ryzen 9 9955HX と AMD Ryzen 9 8940HX. マザーボードによっては、より高いまたは低いメモリ周波数がサポートされる場合があります。

メモリーチャンネル

2 2
メモリータイプ

DDR5 DDR5
PCIe

PCIe 5.0 PCIe 5.0

エネルギー消費量

TDPの要求事項を比較する AMD Ryzen 9 8940HX と AMD Ryzen 9 9955HX 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

55-75 W 55-75 W
Default TDP

55 W 55 W
Maximum Operating Temperature

100 °C 100 °C

技術・拡張性

アーキテクチャ、インターフェース、サポートされる追加命令 AMD Ryzen 9 8940HX と AMD Ryzen 9 9955HX, 仮想マシン技術、プロセス技術

Codename

Dragon Range Fire Range
L2-Cache

16 MB 16 MB
L3-Cache

64 MB 64 MB
発売日

2025-04-23 2025
ソケット

FL1 FL1
ぎじゅつてきなかだい

TSMC 5nm FinFET TSMC 4nm FinFET
Availability window (manufacturer)

- First half of 2025
Date evidence scope

- Manufacturer-announced OEM/board availability window; exact first shipment is not established by this source.

ベンチマーク

性能試験 CPUs

Shared tests with results for both models: 2

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	AMD Ryzen 9 8940HX	AMD Ryzen 9 9955HX	Result difference¹
Blender 5.2.0 / CPU / Windows	483.484964 samples/min Submissions: 15	634.42697 samples/min Submissions: 27	+31.2 %
Blender 5.1.1 / CPU / Windows	467.137226 samples/min Submissions: 10	604.902745 samples/min Submissions: 5	+29.5 %

¹ Difference of the second result relative to the first in that row. No percentage is calculated for different upscaling algorithms. This compares published results, not a universal performance index.

Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

AMD Ryzen 9 8940HX

Blender 5.1.0 / CPU / Windows 444.767794 samples/min

AMD Ryzen 9 9955HX

Blender 4.2.0 / CPU / Windows 540.764596 samples/min
Blender 4.4.0 / CPU / Windows 515.911184 samples/min
Blender 4.5.0 / CPU / Windows 553.377444 samples/min

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 2026 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	8015 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2026 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	525 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	1918 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	1717 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	129 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	114 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

RandomX / XMRig 6.26.0 / 1M / 16 threads / windows

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	11943.578535 H/s	RandomX / XMRig 6.26.0 / 1M / 16 threads / windows System RAM: 32 GB OS: Windows NT 10.0 Motherboard: LENOVO / LNVNB161216 Duration: 83.727 s User-submitted run; tuning and power settings are incomplete.

RandomX / XMRig 6.26.0 / 1M / 32 threads / windows

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	18066.52093 H/s	RandomX / XMRig 6.26.0 / 1M / 32 threads / windows System RAM: 32 GB OS: Windows NT 10.0 Motherboard: ASUSTeK COMPUTER INC. / FA608PP Duration: 55.351 s User-submitted run; tuning and power settings are incomplete.

Cinebench R23 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	36127 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	32521 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	1930 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	2174 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	12720 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	14186 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 9955HX	851 points	System: Chuwi Gamebook, R9 9955HX via Chuwi CPU / power label: R9 9955HX 110 W / 110 W Graphics: GeForce RTX 5070 Ti Laptop 140 W 1515 / 1750 MHz 12 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	747 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / multiple threads

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	5406 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / single thread

Model	Result	Reported conditions
AMD Ryzen 9 8940HX	290 points	System: MSI Crosshair A17 HX D8WGKG via MSI Deutschland CPU / power label: R9 8940HX 108 W / 90 W Graphics: GeForce RTX 5070 Laptop 115 W 1545 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.