Intel Core i5-6287U vs AMD Athlon II X3 420e

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CPU comparison with benchmarks


Intel Core i5-6287U CPU1 vs CPU2 AMD Athlon II X3 420e
Intel Core i5-6287U AMD Athlon II X3 420e

CPU comparison

Intel Core i5-6287U or AMD Athlon II X3 420e - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i5-6287U has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-6287U was released in Q3/2015.

The AMD Athlon II X3 420e has 3 cores with 3 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X3 420e was released in Q3/2010.
Intel Core i5 (331) Family AMD Athlon II (52)
Intel Core i 6000U (20) CPU group AMD Athlon II X3 (Rana) (12)
6 Generation 1
Skylake U Architecture Rana
Mobile Segment Desktop / Server
Intel Core i5-5287U Predecessor --
Intel Core i5-7287U Successor --

CPU Cores and Base Frequency

The Intel Core i5-6287U has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-6287U is 3.10 GHz (3.50 GHz) while the AMD Athlon II X3 420e has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X3 420e is at 2.60 GHz.

Intel Core i5-6287U Characteristic AMD Athlon II X3 420e
2 Cores 3
4 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.10 GHz Frequency 2.60 GHz
3.50 GHz Turbo Frequency (1 Core) --
3.30 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-6287U Characteristic AMD Athlon II X3 420e
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-6287U or AMD Athlon II X3 420e has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel Iris Graphics 550 GPU no iGPU
0.30 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
9 GPU Generation --
14 nm Technology
3 Max. displays
48 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel Iris Graphics 550 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i5-6287U can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 34.1 GB/s. The AMD Athlon II X3 420e supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core i5-6287U Characteristic AMD Athlon II X3 420e
DDR4-2133 Memory DDR3-1333
32 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache 1.50 MB
4.00 MB L3 Cache --
3.0 PCIe version 2.0
12 PCIe lanes --
11.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-6287U is 28 W, while the AMD Athlon II X3 420e has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-6287U Characteristic AMD Athlon II X3 420e
28 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-6287U is manufactured in 14 nm and has 4.00 MB cache. The AMD Athlon II X3 420e is manufactured in 45 nm and has a 1.50 MB cache.

Intel Core i5-6287U Characteristic AMD Athlon II X3 420e
14 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions MMX, 3DNow!, SSE3, SSE4a
BGA 1356 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2015 Release date Q3/2010
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-6287U (100%)
AMD Athlon II X3 420e (38%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-6287U (100%)
AMD Athlon II X3 420e (44%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.50 GHz
816 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
314 (38%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.30 GHz
1873 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
880 (47%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.30 GHz
3833 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
1555 (41%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.50 GHz
1106 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.30 GHz
2214 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-6287U Intel Core i5-6287U
Intel Iris Graphics 550 @ 1.10 GHz
845 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
@ 0.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.50 GHz
149 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-6287U Intel Core i5-6287U
2C 4T @ 3.30 GHz
357 (100%)
AMD Athlon II X3 420e AMD Athlon II X3 420e
3C 3T @ 2.60 GHz
0 (0%)

Devices using this processor

Intel Core i5-6287U AMD Athlon II X3 420e
Unknown Unknown

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