AMD Ryzen 9 9955HX vs AMD Ryzen 7 7840HS — 规格、性能、测试

差异
 规格基准褒奖

差异

需要考虑的原因
AMD Ryzen 9 9955HX

报告一个错误

更多的核心数量

8 more cores

16 8
更高的涡轮增压时钟速度

左右 6% higher specified turbo frequency

5.4 GHz 5.1 GHz

需要考虑的原因
AMD Ryzen 7 7840HS

报告一个错误

在总排名中的位置

(基于几个基准)

49 地点
更高的时钟速度

左右 52% 更好的时钟速度

3.8 GHz 2.5 GHz

所有排名中的位置

共同立场 AMD Ryzen 7 7840HS 在流行的基准测试中的CPU，用于与其他型号进行比较.

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

规格

技术数据

AMD Ryzen 9 9955HX

AMD Ryzen 7 7840HS

CPU家族和团体

有关被比较的处理器、系列、代数和细分市场的背景信息。

系列

Ryzen Ryzen
Form Factor

Laptops / Desktops Laptops / Desktops
分段

Mobile Mobile
Series

Ryzen 9000 Series Ryzen 7000 Series
CPU组

- AMD Ryzen 7040
一代人

- 6

CPU技术规格

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

Base Frequency

2.5 GHz 3.8 GHz
CPU核数

16 8
CPU线程

32 16
Max. Boost Clock

5.4 GHz 5.1 GHz
超频

是没有
核心架构

- normal
Core Configuration

- 8x Zen 4
Hyperthreading / SMT

- 是
Turbo Frequency (1 Core)

- 5.1 GHz

IGPU

内部图形不影响CPU的性能，在没有显卡或在移动设备上执行显卡的工作。

GPU Frequency

2200 MHz 2700 MHz
GPU名称

AMD Radeon 610M AMD Radeon 780M
Graphics Cores

2 12
DirectX Version

- 12
执行单位

- 12
一代人

- 10
GPU Turbo

- 2700 MHz
Max. displays

- 4
Max. GPU Memory

- 32 GB
发布日期

- Q1/2023
着色器

- 768
技术过程

- 4 nm

硬件编解码器支持

用于编码和解码内容的内置编解码器。大大地加快了所需的操作。

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

内存规格和PCI

支持的RAM的类型、通道数量 AMD Ryzen 7 7840HS 和 AMD Ryzen 9 9955HX. 根据主板的不同，可能支持更高或更低的内存频率。

记忆通道

2 2
存储器类型

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

PCIe 5.0 PCIe 4.0
ECC

- 是
最大内存

- 256 GB
Memory Bandwidth

- 89.6 GB/s

加密

AES-NI

- 是

能源消耗

比较TDP的要求 AMD Ryzen 9 9955HX 和 AMD Ryzen 7 7840HS 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 35-54 W
Default TDP

55 W 35-54 W
Maximum Operating Temperature

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

- 54 W
TDP down

- 35 W

技术和扩展

架构、接口、所支持的额外指令 AMD Ryzen 9 9955HX 和 AMD Ryzen 7 7840HS, 虚拟机技术和工艺技术。

Availability window (manufacturer)

First half of 2025 -
Codename

Fire Range Phoenix
Date evidence scope

Manufacturer-announced OEM/board availability window; exact first shipment is not established by this source. -
L2-Cache

16 MB 8 MB
L2-Cache

64 MB 16 MB
发布日期

2025 Q4/2023
插座

FL1 FP7 / FP7r2 / FP8
技术过程

TSMC 4nm FinFET TSMC 4nm FinFET
建筑学

- Phoenix (Zen 4)
Chip design

- Monolithic
规格

- Technical data sheet
指令集（ISA）

- x86-64 (64 bit)
ISA扩展

- SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
Operating systems

- Windows 10, Windows 11, Linux
Part Number

- 100-000001129
虚拟化

- AMD-V, SVM

基准

性能测试 CPUs

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 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
Blender 5.1.1 / CPU / Windows 604.902745 samples/min
Blender 5.2.0 / CPU / Windows 637.665491 samples/min

AMD Ryzen 7 7840HS

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 6.26.0 / 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.

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.