Ryzen 9 7840HX vs Celeron 2957U

VS

Primary details

Comparing Celeron 2957U and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2837not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency3.41no data
Architecture codenameHaswell (2013−2015)Dragon Range-HX (Zen 4) (2023−2024)
Release date1 January 2014 (10 years ago)17 January 2024 (less than a year ago)
Launch price (MSRP)$107no data

Detailed specifications

Celeron 2957U 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 cores2 (Dual-core)12 (Dodeca-Core)
Threads224
Base clock speed1.4 GHz2.9 GHz
Boost clock speed1.4 GHz5.1 GHz
Bus rate5 GT/sno data
L1 cache128 KB768 KB
L2 cache512 KB12 MB
L3 cache2 MB64 MB
Chip lithography22 nm5 nm
Maximum core temperature100 °C100 °C
Number of transistorsno data9900 Million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Celeron 2957U 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
SocketFCBGA1168FL1
Power consumption (TDP)15 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2957U and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2MMX, 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-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Smart Response-no data
GPIO+no data
Smart Connect+no data
FDI-no data
AMT9.5no data
Matrix Storage-no data
HD Audio+no data
RST+no data

Security technologies

Celeron 2957U 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
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2957U and Ryzen 9 7840HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2957U and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 4th Generation Intel® ProcessorsAMD Radeon 610M
Quick Sync Video+-
Clear Video+no data
Graphics max frequency1 GHzno data

Graphics interfaces

Available interfaces and connections of Celeron 2957U and Ryzen 9 7840HX integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Peripherals

Specifications and connection of peripherals supported by Celeron 2957U and Ryzen 9 7840HX.

PCIe version2.0no data
PCI Express lanes10no data
PCI support-no data
USB revision3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Integrated IDE-no data
Number of USB ports4no data
Integrated LAN-no data
UART+no data

Pros & cons summary


Recency 1 January 2014 17 January 2024
Physical cores 2 12
Threads 2 24
Chip lithography 22 nm 5 nm
Power consumption (TDP) 15 Watt 55 Watt

Celeron 2957U has 266.7% lower power consumption.

Ryzen 9 7840HX, on the other hand, has an age advantage of 10 years, 500% more physical cores and 1100% more threads, and a 340% more advanced lithography process.

We couldn't decide between Celeron 2957U and Ryzen 9 7840HX. We've got no test results to judge.


Should you still have questions on choice between Celeron 2957U and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Celeron 2957U
Celeron 2957U
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


2.5 70 votes

Rate Celeron 2957U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Ryzen 9 7840HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Celeron 2957U or Ryzen 9 7840HX, agree or disagree with our judgements, or report an error or mismatch.