Atom N455 vs Core 2 Duo SU9400

VS

Aggregate performance score

Core 2 Duo SU9400
2008
2 cores / 2 threads, 10 Watt
0.32
+167%
Atom N455
2010
1 core / 2 threads, 6 Watt
0.12

Core 2 Duo SU9400 outperforms Atom N455 by a whopping 167% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo SU9400 and Atom N455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30953352
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Atom
Power efficiency3.031.62
Architecture codenamePenryn (2008−2011)Pinetrail (2009−2011)
Release date20 August 2008 (16 years ago)1 June 2010 (14 years ago)
Launch price (MSRP)$262$64

Detailed specifications

Core 2 Duo SU9400 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 speed1.4 GHz1.66 GHz
Boost clock speed1.4 GHz1.67 GHz
Bus rate800 MHz533 MHz
L1 cache128 KB64 KB (per core)
L2 cache3 MB512K (per core)
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm45 nm
Die size107 mm266 mm2
Maximum core temperature105 °C100 °C
Number of transistors410 Million123 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15Vno data

Compatibility

Information on Core 2 Duo SU9400 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 configurationno data1
SocketBGA956FCBGA559
Power consumption (TDP)10 Watt6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo SU9400 and Atom N455. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology-+
Thermal Monitoring-+
Demand Based Switching--
FSB parity-no data

Security technologies

Core 2 Duo SU9400 and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo SU9400 and Atom N455 are enumerated here.

VT-dno data-
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo SU9400 and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data2 GB
Max memory channelsno data1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel GMA 3150

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.

Core 2 Duo SU9400 0.32
+167%
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.

Core 2 Duo SU9400 511
+161%
Atom N455 196

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.

Core 2 Duo SU9400 1596
+183%
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.

Core 2 Duo SU9400 2879
+234%
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.

Core 2 Duo SU9400 1197
+144%
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.

Core 2 Duo SU9400 59.3
+102%
Atom N455 119.5

Gaming performance

Pros & cons summary


Performance score 0.32 0.12
Recency 20 August 2008 1 June 2010
Physical cores 2 1
Power consumption (TDP) 10 Watt 6 Watt

Core 2 Duo SU9400 has a 166.7% higher aggregate performance score, and 100% more physical cores.

Atom N455, on the other hand, has an age advantage of 1 year, and 66.7% lower power consumption.

The Core 2 Duo SU9400 is our recommended choice as it beats the Atom N455 in performance tests.


Should you still have questions on choice between Core 2 Duo SU9400 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 Core 2 Duo SU9400
Core 2 Duo SU9400
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.


2.9 8 votes

Rate Core 2 Duo SU9400 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 Core 2 Duo SU9400 or Atom N455, agree or disagree with our judgements, or report an error or mismatch.