Atom N455 vs Pentium 957

VS

Aggregate performance score

Pentium 957
2011
2 cores / 2 threads, 17 Watt
0.39
+225%
Atom N455
2010
1 core / 2 threads, 6 Watt
0.12

Pentium 957 outperforms Atom N455 by a whopping 225% based on our aggregate benchmark results.

Primary details

Comparing Pentium 957 and Atom N455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30193352
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel PentiumIntel Atom
Power efficiency2.171.62
Architecture codenameSandy Bridge (2011−2013)Pinetrail (2009−2011)
Release date19 June 2011 (13 years ago)1 June 2010 (14 years ago)
Launch price (MSRP)$134$64

Detailed specifications

Pentium 957 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 cores2 (Dual-core)1 (Single-Core)
Threads22
Base clock speed1.2 GHz1.66 GHz
Boost clock speed1.2 GHz1.67 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s533 MHz
Multiplier12no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)512K (per core)
L3 cache2 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size131 mm266 mm2
Maximum core temperature100 °C100 °C
Number of transistors504 million123 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium 957 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 configuration1 (Uniprocessor)1
SocketFCBGA1023FCBGA559
Power consumption (TDP)17 Watt6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 957 and Atom N455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE2, Intel® SSE3, Intel® SSSE3
FMA+-
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching--
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium 957 and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 957 and Atom N455 are enumerated here.

VT-d--
VT-x--

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 957 and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size8.01 GB2 GB
Max memory channels21
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics (Sandy Bridge) (350 - 800 MHz)Intel GMA 3150
Graphics max frequency800 MHzno data

Graphics interfaces

Available interfaces and connections of Pentium 957 and Atom N455 integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Pentium 957 and Atom N455.

PCIe version2.0no data
PCI Express lanes16no 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.

Pentium 957 0.39
+225%
Atom N455 0.12

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 957 622
+217%
Atom N455 196

Gaming performance

Pros & cons summary


Performance score 0.39 0.12
Integrated graphics card 0.34 0.01
Recency 19 June 2011 1 June 2010
Physical cores 2 1
Chip lithography 32 nm 45 nm
Power consumption (TDP) 17 Watt 6 Watt

Pentium 957 has a 225% higher aggregate performance score, 3300% faster integrated GPU, an age advantage of 1 year, 100% more physical cores, and a 40.6% more advanced lithography process.

Atom N455, on the other hand, has 183.3% lower power consumption.

The Pentium 957 is our recommended choice as it beats the Atom N455 in performance tests.


Should you still have questions on choice between Pentium 957 and Atom N455, 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 Pentium 957
Pentium 957
Intel Atom N455
Atom N455

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.


No user ratings yet.

Rate Pentium 957 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 244 votes

Rate Atom N455 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium 957 or Atom N455, agree or disagree with our judgements, or report an error or mismatch.