AMD Ryzen 9 7945HX vs AMD Ryzen 7 7840H
CPU Comparison Result
Below are the results of a comparison of AMD Ryzen 9 7945HX and AMD Ryzen 7 7840H processors based on key performance characteristics, as well as power consumption and much more.
Advantages
- More Total Cores: 16 (16 vs 8)
- Larger L3 Cache: 64MB (64MB vs 16MB shared)
- Newer Launch Date: January 2023 (January 2023 vs January 2023)
- Higher Technology: 4 nm (TSMC 5nm FinFET vs 4 nm)
Basic
AMD
Label Name
AMD
January 2023
Launch Date
January 2023
Laptop
Platform
Laptop
-
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
Ryzen 7 7840H
Dragon Range
Code Name
Phoenix
-
Foundry
TSMC
-
Generation
Ryzen 7 (Zen 4 (Phoenix))
CPU Specifications
16
Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
8
32
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
16
2.5GHz
Basic Frequency
-
Up to 5.4GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
-
-
Performance-core Base Frequency
3.8 GHz
-
Performance-core Max Turbo Frequency
?
Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.
5.1 GHz
1024KB
L1 Cache
64K per core
16MB
L2 Cache
1MB per core
64MB
L3 Cache
16MB shared
-
Unlocked Multiplier
No
FL1
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
AMD Socket FP8
-
Multiplier
38.0
-
Bus Frequency
100MHz
Yes
Unlocked for Overclocking
?
AMD`s product warranty does not cover damages caused by overclocking, even when overclocking is enabled via AMD hardware and/or software. GD-26.
-
TSMC 5nm FinFET
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
4 nm
55W
TDP
35 W
100°C
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
100 °C
-
PCIe Version
?
PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.
4
PCIe® 5.0
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
-
-
Transistor Count
25 billions
Memory Specifications
DDR5
Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR5-5600
-
Max Memory Size
?
Max memory size refers to the maximum memory capacity supported by the processor.
256GB
2
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
2
-
Max Memory Bandwidth
?
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
89.6 GB/s
-
ECC Memory Support
Yes
GPU Specifications
AMD Radeon™ 610M
Integrated Graphics Model
?
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
True
2200 MHz
Graphics Frequency
?
Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.
-
-
GPU Max Dynamic Frequency
2700 MHz
2
Graphics Core Count
-
-
Execution Units
?
The Execution Unit is the foundational building block of Intel’s graphics architecture. Execution Units are compute processors optimized for simultaneous Multi-Threading for high throughput compute power.
12
-
Graphics Performance
10 TFLOPS
Miscellaneous
-
PCIe Lanes
20
Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit *Operating System (OS) support will vary by manufacturer.
OS Support
-
Benchmarks
Geekbench 6 Single Core
Ryzen 9 7945HX
2694
+3%
Ryzen 7 7840H
2625
Geekbench 6 Multi Core
Ryzen 9 7945HX
15258
+29%
Ryzen 7 7840H
11813
Geekbench 5 Single Core
Ryzen 9 7945HX
2063
+8%
Ryzen 7 7840H
1909
Geekbench 5 Multi Core
Ryzen 9 7945HX
17349
+51%
Ryzen 7 7840H
11494
Passmark CPU Single Core
Ryzen 9 7945HX
4067
+9%
Ryzen 7 7840H
3729
Passmark CPU Multi Core
Ryzen 9 7945HX
54933
+93%
Ryzen 7 7840H
28493
