Ultra 9 285 vs Ryzen 7 4800U

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Primary details

Comparing Ryzen 7 4800U and Core Ultra 9 285 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking745not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Renoir (Ryzen 4000 APU)no data
Power efficiency39.75no data
Architecture codenameRenoir-U (Zen 2) (2020−2021)Arrow Lake-S (2024−2025)
Release date6 January 2020 (4 years ago)January 2025

Detailed specifications

Ryzen 7 4800U and Core Ultra 9 285 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 cores8 (Octa-Core)24 (Tetracosa-Core)
Threads1624
Base clock speed1.8 GHz2.5 GHz
Boost clock speed4.2 GHz5.6 GHz
Multiplier18no data
L1 cache512 KB112 KB (per core)
L2 cache4 MB3 MB (per core)
L3 cache8 MB (shared)36 MB (shared)
Chip lithography7 nm3 nm
Die size156 mm2243 mm2
Maximum core temperature105 °Cno data
Number of transistors9800 Million17,800 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 7 4800U and Core Ultra 9 285 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
SocketFP61851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 4800U and Core Ultra 9 285. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEno data
AES-NI++
FMA+-
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Ryzen 7 4800U and Core Ultra 9 285 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 4800U and Core Ultra 9 285 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4800U and Core Ultra 9 285. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5 Depends on motherboard
Maximum memory size64 GBno data
Maximum memory bandwidth68.27 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1750 MHz)Arc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 4800U and Core Ultra 9 285.

PCIe version3.05.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 8 24
Threads 16 24
Chip lithography 7 nm 3 nm
Power consumption (TDP) 15 Watt 125 Watt

Ryzen 7 4800U has 733.3% lower power consumption.

Ultra 9 285, on the other hand, has 200% more physical cores and 50% more threads, and a 133.3% more advanced lithography process.

We couldn't decide between Ryzen 7 4800U and Core Ultra 9 285. We've got no test results to judge.

Be aware that Ryzen 7 4800U is a notebook processor while Core Ultra 9 285 is a desktop one.


Should you still have questions on choice between Ryzen 7 4800U and Core Ultra 9 285, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 7 4800U
Ryzen 7 4800U
Intel Core Ultra 9 285
Core Ultra 9 285

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 225 votes

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2.4 74 votes

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Questions & comments

Here you can ask a question about Ryzen 7 4800U or Core Ultra 9 285, agree or disagree with our judgements, or report an error or mismatch.