Ryzen 9 7840HX vs Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking425not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Meteor Lake-HAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency53.21no data
Architecture codenameMeteor Lake-H (2023)Dragon Range-HX (Zen 4) (2023−2024)
Release date14 December 2023 (less than a year ago)17 January 2024 (less than a year ago)
Launch price (MSRP)$503no data

Detailed specifications

Core Ultra 7 155H and Ryzen 9 7840HX 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 cores16 (Hexadeca-Core)12 (Dodeca-Core)
Threads2224
Base clock speed3.8 GHz2.9 GHz
Boost clock speed4.8 GHz5.1 GHz
L1 cache112 KB (per core)768 KB
L2 cache2 MB (per core)12 MB
L3 cache24 MB (shared)64 MB
Chip lithographyIntel 4 nm5 nm
Maximum core temperature110 °C100 °C
Number of transistorsno data9900 Million
64 bit support++

Compatibility

Information on Core Ultra 7 155H and Ryzen 9 7840HX 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 configuration1no data
SocketFCBGA2049FL1
Power consumption (TDP)28 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Hyper-Threading Technology+no data
TSX+-
Thermal Monitoring+-
Flex Memory Access+no data
Turbo Boost Max 3.0+no data
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT-

Security technologies

Core Ultra 7 155H and Ryzen 9 7840HX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Ryzen 9 7840HX are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5
Maximum memory size96 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Arc™ graphicsAMD Radeon 610M
Quick Sync Video+-
Graphics max frequency2.25 GHzno data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Ryzen 9 7840HX integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Ryzen 9 7840HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)no data
Max resolution over eDP3840x2400 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core Ultra 7 155H and Ryzen 9 7840HX integrated GPUs, sometimes API versions are included.

DirectX12.2no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Ryzen 9 7840HX.

PCIe version5.0no data
PCI Express lanes8no data
PCI support5.0 and 4.0no data

Pros & cons summary


Recency 14 December 2023 17 January 2024
Physical cores 16 12
Threads 22 24
Power consumption (TDP) 28 Watt 55 Watt

Ultra 7 155H has 33.3% more physical cores, and 96.4% lower power consumption.

Ryzen 9 7840HX, on the other hand, has an age advantage of 1 month, and 9.1% more threads.

We couldn't decide between Core Ultra 7 155H and Ryzen 9 7840HX. We've got no test results to judge.


Should you still have questions on choice between Core Ultra 7 155H and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 155H
Core Ultra 7 155H
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

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