i5-1235U vs Athlon II X3 455

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Aggregate performance score

Athlon II X3 455
2010
3 cores / 3 threads, 95 Watt
1.23
Core i5-1235U
2022
10 cores / 12 threads, 15 Watt
8.75
+611%

Core i5-1235U outperforms Athlon II X3 455 by a whopping 611% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X3 455 and Core i5-1235U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2343890
Place by popularitynot in top-10012
Cost-effectiveness evaluation5.52no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Alder Lake-M
Power efficiency1.1853.19
Architecture codenameRana (2009−2011)Alder Lake-U (2022)
Release date7 December 2010 (13 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$88no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X3 455 and Core i5-1235U 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 cores3 (Tri-Core)10 (Deca-Core)
Threads312
Base clock speed3.3 GHz1.3 GHz
Boost clock speed3.3 GHz4.4 GHz
L1 cache128 KB (per core)80K (per core)
L2 cache512 KB (per core)1.25 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size169 mm2no data
Maximum core temperatureno data100 °C
Number of transistors300 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Athlon II X3 455 and Core i5-1235U 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
SocketAM3FCBGA1744
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X3 455 and Core i5-1235U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Deep Learning Boost-+

Security technologies

Athlon II X3 455 and Core i5-1235U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X3 455 and Core i5-1235U are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X3 455 and Core i5-1235U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz
Execution Unitsno data80

Graphics interfaces

Available interfaces and connections of Athlon II X3 455 and Core i5-1235U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Athlon II X3 455 and Core i5-1235U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Athlon II X3 455 and Core i5-1235U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Athlon II X3 455 and Core i5-1235U.

PCIe version2.04.0
PCI Express lanesno data20

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.

Athlon II X3 455 1.23
i5-1235U 8.75
+611%

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.

Athlon II X3 455 1879
i5-1235U 13387
+612%

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.

Athlon II X3 455 348
i5-1235U 1847
+431%

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.

Athlon II X3 455 855
i5-1235U 5674
+564%

Gaming performance

Pros & cons summary


Performance score 1.23 8.75
Recency 7 December 2010 23 February 2022
Physical cores 3 10
Threads 3 12
Power consumption (TDP) 95 Watt 15 Watt

i5-1235U has a 611.4% higher aggregate performance score, an age advantage of 11 years, 233.3% more physical cores and 300% more threads, and 533.3% lower power consumption.

The Core i5-1235U is our recommended choice as it beats the Athlon II X3 455 in performance tests.

Note that Athlon II X3 455 is a desktop processor while Core i5-1235U is a notebook one.


Should you still have questions on choice between Athlon II X3 455 and Core i5-1235U, ask them in Comments section, and we shall answer.

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AMD Athlon II X3 455
Athlon II X3 455
Intel Core i5-1235U
Core i5-1235U

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Community ratings

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Questions & comments

Here you can ask a question about Athlon II X3 455 or Core i5-1235U, agree or disagree with our judgements, or report an error or mismatch.