Ryzen 7 8840HX vs Ryzen 3 PRO 4450U

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1203not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Renoir (Ryzen 4000 APU)no data
Power efficiency38.75no data
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameRenoir PRO (Zen 2) (2020)Dragon Range (2025)
Release date7 May 2020 (4 years ago)23 April 2025 (recently)

Detailed specifications

Ryzen 3 PRO 4450U and Ryzen 7 8840HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)12 (Dodeca-Core)
Threads824
Base clock speed2.4 GHz2.9 GHz
Boost clock speed3.7 GHz5.1 GHz
Multiplier25no data
L1 cache64K (per core)64 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache4 MB (shared)64 MB (shared)
Chip lithography7 nm5 nm
Die size156 mm22x 71 mm2
Maximum core temperature105 °Cno data
Number of transistors9,800 million13,140 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Ryzen 3 PRO 4450U and Ryzen 7 8840HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFP6FL1
Power consumption (TDP)15 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 PRO 4450U and Ryzen 7 8840HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTno data
AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 PRO 4450U and Ryzen 7 8840HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 PRO 4450U and Ryzen 7 8840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-4266DDR5
Maximum memory size64 GBno data
Max memory channels4no data
Maximum memory bandwidth68.27 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon RX Vega 5 ( - 1400 MHz)AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 PRO 4450U and Ryzen 7 8840HX.

PCIe version3.05.0
PCI Express lanesno data28

Pros & cons summary


Integrated graphics card 4.35 2.70
Recency 7 May 2020 23 April 2025
Physical cores 4 12
Threads 8 24
Chip lithography 7 nm 5 nm
Power consumption (TDP) 15 Watt 55 Watt

Ryzen 3 PRO 4450U has 61.1% faster integrated GPU, and 266.7% lower power consumption.

Ryzen 7 8840HX, on the other hand, has an age advantage of 4 years, 200% more physical cores and 200% more threads, and a 40% more advanced lithography process.

We couldn't decide between AMD Ryzen 3 PRO 4450U and AMD Ryzen 7 8840HX. We've got no test results to judge.

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AMD Ryzen 3 PRO 4450U
Ryzen 3 PRO 4450U
AMD Ryzen 7 8840HX
Ryzen 7 8840HX

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