Ryzen 7 7840U vs Celeron N4505

VS

Aggregate performance score

Celeron N4505
2021
2 cores / 2 threads, 10 Watt
1.43
Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.73
+1000%

Ryzen 7 7840U outperforms Celeron N4505 by a whopping 1000% based on our aggregate benchmark results.

Primary details

Comparing Celeron N4505 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2186427
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency13.5353.17
Architecture codenameJasper Lake (2021)Phoenix-U (Zen 4) (2023)
Release date11 January 2021 (3 years ago)May 2023 (1 year ago)

Detailed specifications

Celeron N4505 and Ryzen 7 7840U 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)8 (Octa-Core)
Threads216
Base clock speed2 GHz3.3 GHz
Boost clock speed2.9 GHz5.1 GHz
L1 cacheno data64K (per core)
L2 cache1.5 MB1 MB (per core)
L3 cache4 MB16 MB (shared)
Chip lithography10 nm4 nm
Die sizeno data178 mm2
Maximum core temperature105 °C100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Celeron N4505 and Ryzen 7 7840U 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
SocketFCBGA1338FP8
Power consumption (TDP)10 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N4505 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)+no data
Speed Shift+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
Turbo Boost Max 3.0-no data
Precision Boost 2no data+

Security technologies

Celeron N4505 and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N4505 and Ryzen 7 7840U 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 N4505 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5600
Maximum memory size16 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD GraphicsAMD Radeon 780M
Quick Sync Video+-
Graphics max frequency750 MHzno data
Execution Units16no data

Graphics interfaces

Available interfaces and connections of Celeron N4505 and Ryzen 7 7840U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron N4505 and Ryzen 7 7840U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP4096x2160@60Hzno data
Max resolution over DisplayPort4096x2160@60Hzno data

Graphics API support

APIs supported by Celeron N4505 and Ryzen 7 7840U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Celeron N4505 and Ryzen 7 7840U.

PCIe versionno data4.0
PCI Express lanes820
USB revision2.0/3.2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports14no data
Integrated LAN-no data
UART+no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron N4505 1.43
Ryzen 7 7840U 15.73
+1000%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron N4505 2266
Ryzen 7 7840U 24990
+1003%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Celeron N4505 458
Ryzen 7 7840U 2081
+354%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Celeron N4505 762
Ryzen 7 7840U 8733
+1046%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Celeron N4505 3622
Ryzen 7 7840U 6669
+84.2%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Celeron N4505 6861
Ryzen 7 7840U 38490
+461%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Celeron N4505 3214
Ryzen 7 7840U 12482
+288%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Celeron N4505 35.84
Ryzen 7 7840U 3.51
+921%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Celeron N4505 2
Ryzen 7 7840U 23
+809%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Celeron N4505 198
Ryzen 7 7840U 1990
+908%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Celeron N4505 106
Ryzen 7 7840U 264
+149%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Celeron N4505 1.28
Ryzen 7 7840U 2.79
+118%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Celeron N4505 1.3
Ryzen 7 7840U 8.5
+550%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Celeron N4505 14
Ryzen 7 7840U 109
+697%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Celeron N4505 72
Ryzen 7 7840U 237
+228%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Celeron N4505 1062
Ryzen 7 7840U 5723
+439%

Geekbench 5.5 Multi-Core

Celeron N4505 1232
Ryzen 7 7840U 9382
+662%

Blender(-)

Celeron N4505 2899
+1017%
Ryzen 7 7840U 260

Geekbench 5.5 Single-Core

Celeron N4505 654
Ryzen 7 7840U 1738
+166%

7-Zip Single

Celeron N4505 3047
Ryzen 7 7840U 5952
+95.4%

7-Zip

Celeron N4505 6004
Ryzen 7 7840U 55145
+819%

WebXPRT 3

Celeron N4505 114
Ryzen 7 7840U 262
+130%

Gaming performance

Pros & cons summary


Performance score 1.43 15.73
Integrated graphics card 5.58 18.30
Physical cores 2 8
Threads 2 16
Chip lithography 10 nm 4 nm
Power consumption (TDP) 10 Watt 28 Watt

Celeron N4505 has 180% lower power consumption.

Ryzen 7 7840U, on the other hand, has a 1000% higher aggregate performance score, 228% faster integrated GPU, 300% more physical cores and 700% more threads, and a 150% more advanced lithography process.

The Ryzen 7 7840U is our recommended choice as it beats the Celeron N4505 in performance tests.

Note that Celeron N4505 is a desktop processor while Ryzen 7 7840U is a notebook one.


Should you still have questions on choice between Celeron N4505 and Ryzen 7 7840U, 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 N4505
Celeron N4505
AMD Ryzen 7 7840U
Ryzen 7 7840U

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.


3.4 7 votes

Rate Celeron N4505 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 239 votes

Rate Ryzen 7 7840U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Celeron N4505 or Ryzen 7 7840U, agree or disagree with our judgements, or report an error or mismatch.