Ryzen 9 7945HX3D
AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7940H
CPU Comparison Result
Below are the results of a comparison of the characteristics and performance of the AMD Ryzen 9 7945HX3D and AMD Ryzen 9 7940H processors. This comparison will help you determine which one best suits your needs.
Basic
Label Name
AMD
AMD
Launch Date
July 2023
January 2023
Platform
Laptop
Mobile
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.
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Ryzen 9 7940H
Code Name
Dragon Range
Phoenix
Generation
-
Ryzen 9 (Zen 4 (Phoenix))
CPU Specifications
Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
16
8
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
32
16
Basic Frequency
2.3GHz
4 GHz
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.
Up to 5.4GHz
up to 5.2 GHz
L1 Cache
1024KB
64 KB (per core)
L2 Cache
16MB
1 MB (per core)
L3 Cache
128MB
16 MB (shared)
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
FL1
AMD Socket FP8
Multiplier
-
40.0x
Bus Frequency
-
100 MHz
Multiplier Unlocked
-
No
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.
TSMC 5nm FinFET
4 nm
TDP
55W
35 W
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
89°C
100°C
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.
PCIe® 5.0
Gen 4, 20 Lanes (CPU only)
Transistors
-
25,000 million
Memory Specifications
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
DDR5
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
2
Dual-channel
ECC Memory
-
Yes
GPU Specifications
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.
AMD Radeon™ 610M
Radeon 780M
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.
2200 MHz
-
Graphics Core Count
2
-
Miscellaneous
OS Support
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.
-
Advantages
Ryzen 9 7945HX3D
- More Total Cores: 16 (16 vs 8)
- Higher Max Turbo Frequency: Up to 5.4GHz (Up to 5.4GHz vs up to 5.2 GHz)
- Larger L3 Cache: 128MB (128MB vs 16 MB (shared))
- Newer Launch Date: July 2023 (July 2023 vs January 2023)
Ryzen 9 7940H
- Higher Technology: 4 nm (TSMC 5nm FinFET vs 4 nm)
- Newer PCI Express Version: Gen 4, 20 Lanes (CPU only) (PCIe® 5.0 vs Gen 4, 20 Lanes (CPU only))
Geekbench 6
Single Core
Ryzen 9 7945HX3D
+13%
2703
Ryzen 9 7940H
2383
Multi Core
Ryzen 9 7945HX3D
+50%
16953
Ryzen 9 7940H
11285
Geekbench 5
Single Core
Ryzen 9 7945HX3D
+49%
2102
Ryzen 9 7940H
1415
Multi Core
Ryzen 9 7945HX3D
+129%
19610
Ryzen 9 7940H
8564
Passmark CPU
Single Core
Ryzen 9 7945HX3D
+4%
4183
Ryzen 9 7940H
4028
Multi Core
Ryzen 9 7945HX3D
+93%
59285
Ryzen 9 7940H
30710
SiliconCat Rating
3
Ranks 3 among Laptop CPU on our website
64
Ranks 64 among all CPU on our website
51
Ranks 51 among Mobile CPU on our website
249
Ranks 249 among all CPU on our website
Ryzen 9 7940H
