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Intel Atom N450 vs Intel Atom N455

Intel Atom N450

► remove from comparison Intel N450

The Intel Atom N450 is a small and cheap entry level CPU for Netbooks and small laptops. In the package is an integrated memory controller for DDR2 main memory and the GMA 3150 graphics card. 

The performance of the whole system (Atom N450 and integrated GMA 3150) is only sufficient for basic tasks like surfing the web, or office working. HD video, video cutting, advanced photo editing, multitasking and of course gaming may overstrain the GPU and CPU. Compared to the previous Atom generation, the performance gain is only marginally above a similar clocked Atom N280 / GMA 950. To decode HD videos in 1080p the N450 / GMA3150 needs the help from a additional chip like the the ION2 or Broadcom video decoder.

An advantage of the interation, is the small overall power consumption of the CPU, GPU and memory controller (only 5.5 Watt TDP). Intel states 20% power reduction and 60% package reduction. Therefore, the chip is ideally used in small Netbooks, MIDs, and thin laptops. Compared to the Z500 series combined with the US15W chipset (2.4+2.3 W), the power consumption is similar.

Intel Atom N455

► remove from comparison Intel N455

The Intel Atom N455 is a small and cheap entry level CPU for Netbooks and small laptops. In the package is an integrated memory controller for DDR3 main memory (the difference to the Atom N450) and the GMA 3150 graphics card

The performance of the whole system (Atom N455 and integrated GMA 3150) is only sufficient for basic tasks like surfing the web, or office working. HD video, video cutting, advanced photo editing, multitasking and of course gaming may overstrain the GPU and CPU. Compared to the previous Atom generation, the performance gain is only marginally above a similar clocked Atom N280 / GMA 950.

An advantage of the combination, is the small overall power consumption of the CPU, GPU and memory controller (only 6.5 Watt TDP). Intel states 20% power reduction and 60% package reduction. Therefore, the chip is ideally used in small Netbooks, MIDs, and thin laptops. Compared to the Z500 series combined with the US15W chipset (2.4+2.3 W), the power consumption is similar.

ModelIntel Atom N450Intel Atom N455
SeriesIntel AtomIntel Atom
CodenamePinetrailPinetrail
Series: Atom Pinetrail
Intel Atom D525 compare1.8 GHz2 / 4 cores
Intel Atom N4551.66 GHz1 / 2 cores
Intel Atom N450 « 1.66 GHz1 / 2 cores
Intel Atom N435 compare1.33 GHz1 / 2 cores
Intel Atom D525 compare1.8 GHz2 / 4 cores
Intel Atom N455 « 1.66 GHz1 / 2 cores
Intel Atom N4501.66 GHz1 / 2 cores
Intel Atom N435 compare1.33 GHz1 / 2 cores
Clock1660 MHz1660 MHz
FSB533533
L2 Cache512 KB512 KB
Cores / Threads1 / 21 / 2
TDP5.5 Watt6.5 Watt
Transistors123 Million
Technology45 nm, 0.8-1.175V45 nm
Die Size66 mm2
max. Temp.100 °C100 °C
SocketFCBGA559FCBGA559
Featuresintegrated DDR2 (667 MHz) memory controller, integrated GMA 3150 GPU, Hyperthreading, SSE2, SSE3, SSSE3, Intel 64, Enhanced Speedstep, Execute Disable Bitintegrated DDR3 memory controller, integrated GMA 3150 GPU, Hyperthreading
Architecturex86x86
$64 U.S.$64 U.S.
Announced
Manufacturerark.intel.com

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
1 N450 +
min: 0.23     avg: 0.2     median: 0.2 (0%)     max: 0.24 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
N450 +
min: 457     avg: 553     median: 560 (3%)     max: 589 Points
101%
N455 +
min: 509     avg: 547     median: 564 (3%)     max: 568 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
N450 +
min: 741     avg: 861     median: 865 (1%)     max: 938 Points
100%
N455 +
min: 840     avg: 856     median: 863 (1%)     max: 866 Points
min: 3712     avg: 3751     median: 3750.5 (44%)     max: 3789 s
wPrime 2.10 - wPrime 2.0 32m *
100%
N450 +
min: 115.8     avg: 120.7     median: 117 (24%)     max: 161.7 s
min: 118     avg: 119.5     median: 119.5 (24%)     max: 121 s
min: 445     avg: 476.7     median: 490 (1%)     max: 495 Points
min: 202     avg: 213.7     median: 207 (9%)     max: 232 s
min: 4417     avg: 4523     median: 4533 (20%)     max: 4618 s
105%
N455 +
min: 4196     avg: 4197     median: 4198 (2%)     max: 4198 MIPS
100%
N455 +
min: 3505     avg: 3506     median: 3506 (3%)     max: 3506 MFLOPS
PCMark 05 - PCMark 05 - Standard
100%
N450 +
min: 1270     avg: 1349     median: 1340 (3%)     max: 1444 Points
min: 1261     avg: 1317     median: 1266 (3%)     max: 1423 Points
100%
N455 +
min: 2.3     avg: 2.3     median: 2.3 (29%)     max: 2.4 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
100%
1 N450 +
813 Points (1%)

Average Benchmarks Intel Atom N450 → 100% n=12

Average Benchmarks Intel Atom N455 → 97% n=12

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2023-07- 1)