Atom N455 vs Pentium Silver J5040

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Primary details

Comparing Pentium Silver J5040 and Atom N455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1888not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.17no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Atom
Power efficiency19.42no data
Architecture codenameGemini Lake Refresh (2019)Pinetrail (2009−2011)
Release date4 November 2019 (4 years ago)1 June 2010 (14 years ago)
Launch price (MSRP)$161$64

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Silver J5040 and Atom N455 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)1 (Single-Core)
Threads42
Base clock speed2 GHz1.66 GHz
Boost clock speed3.2 GHz1.67 GHz
Bus rateno data533 MHz
L1 cache56 KB (per core)64 KB (per core)
L2 cache4 MB (shared)512K (per core)
L3 cache4 MB0 KB
Chip lithography14 nm45 nm
Die size93 mm266 mm2
Maximum core temperature105 °C100 °C
Number of transistorsno data123 million
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Pentium Silver J5040 and Atom N455 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
SocketFCBGA1090FCBGA559
Power consumption (TDP)10 Watt6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver J5040 and Atom N455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI+-
Enhanced SpeedStep (EIST)++
Speed Shift-no data
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States+no data
Thermal Monitoring++
Smart Response-no data
Demand Based Switchingno data-
GPIO+no data
Turbo Boost Max 3.0-no data

Security technologies

Pentium Silver J5040 and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver J5040 and Atom N455 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver J5040 and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size8 GB2 GB
Max memory channels21

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 605Intel GMA 3150
Max video memory8 GBno data
Quick Sync Video+-
Graphics max frequency800 MHzno data
Execution Units18no data

Graphics interfaces

Available interfaces and connections of Pentium Silver J5040 and Atom N455 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium Silver J5040 and Atom N455 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@30Hzno data
Max resolution over eDP4096x2160@60Hzno data
Max resolution over DisplayPort4096x2160@60Hzno data

Graphics API support

APIs supported by Pentium Silver J5040 and Atom N455 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Pentium Silver J5040 and Atom N455.

PCIe version2.0no data
PCI Express lanes6no data
USB revision2.0/3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports8no 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.



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.

Pentium Silver J5040 3254
+1560%
Atom N455 196

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.

Pentium Silver J5040 418
+689%
Atom N455 53

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.

Pentium Silver J5040 1124
+1305%
Atom N455 80

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.

Pentium Silver J5040 2688
+377%
Atom N455 564

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.

Pentium Silver J5040 8279
+859%
Atom N455 863

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.

Pentium Silver J5040 4296
+777%
Atom N455 490

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.

Pentium Silver J5040 15.29
+682%
Atom N455 119.5

Pros & cons summary


Recency 4 November 2019 1 June 2010
Physical cores 4 1
Threads 4 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 10 Watt 6 Watt

Pentium Silver J5040 has an age advantage of 9 years, 300% more physical cores and 100% more threads, and a 221.4% more advanced lithography process.

Atom N455, on the other hand, has 66.7% lower power consumption.

We couldn't decide between Pentium Silver J5040 and Atom N455. We've got no test results to judge.

Note that Pentium Silver J5040 is a desktop processor while Atom N455 is a notebook one.


Should you still have questions on choice between Pentium Silver J5040 and Atom N455, ask them in Comments section, and we shall answer.

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Intel Pentium Silver J5040
Pentium Silver J5040
Intel Atom N455
Atom N455

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Community ratings

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


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Questions & comments

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