AMD Athlon II X2 255 vs Intel Core2 Duo E6300

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CPU comparison with benchmarks


AMD Athlon II X2 255 CPU1 vs CPU2 Intel Core2 Duo E6300
AMD Athlon II X2 255 Intel Core2 Duo E6300

CPU comparison

AMD Athlon II X2 255 or Intel Core2 Duo E6300 - 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 AMD Athlon II X2 255 has 2 cores with 2 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X2 255 was released in Q1/2010.

The Intel Core2 Duo E6300 has 2 cores with 2 threads and clocks with a maximum frequency of 1.86 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E6300 was released in Q3/2006.
AMD Athlon II (52) Family Intel Core2 Duo (29)
AMD Athlon II X2 (Propus) (18) CPU group Intel Core 2 Duo E4000/E6000 (15)
1 Generation 1
Propus Architecture Conroe (Core)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X2 255 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD Athlon II X2 255 is 3.10 GHz while the Intel Core2 Duo E6300 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Core2 Duo E6300 is at 1.86 GHz.

AMD Athlon II X2 255 Characteristic Intel Core2 Duo E6300
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
3.10 GHz Frequency 1.86 GHz
-- Turbo Frequency (1 Core) --
-- 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.

AMD Athlon II X2 255 Characteristic Intel Core2 Duo E6300
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Athlon II X2 255 or Intel Core2 Duo E6300 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.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The AMD Athlon II X2 255 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core2 Duo E6300 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD Athlon II X2 255 Characteristic Intel Core2 Duo E6300
DDR3-1333 Memory DDR3-1333, DDR2-1066
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
2.00 MB L2 Cache 2.00 MB
-- L3 Cache --
2.0 PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD Athlon II X2 255 is 65 W, while the Intel Core2 Duo E6300 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Athlon II X2 255 Characteristic Intel Core2 Duo E6300
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Athlon II X2 255 is manufactured in 45 nm and has 2.00 MB cache. The Intel Core2 Duo E6300 is manufactured in 65 nm and has a 2.00 MB cache.

AMD Athlon II X2 255 Characteristic Intel Core2 Duo E6300
45 nm Technology 65 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions MMX, SSE, SSE2, SSE3
AM3 Socket LGA 775
AMD-V Virtualization VT-x
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2010 Release date Q3/2006
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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.
AMD Athlon II X2 255 AMD Athlon II X2 255
2C 2T @ 3.10 GHz
416 (100%)
Intel Core2 Duo E6300 Intel Core2 Duo E6300
2C 2T @ 1.86 GHz
256 (62%)

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.
AMD Athlon II X2 255 AMD Athlon II X2 255
2C 2T @ 3.10 GHz
792 (100%)
Intel Core2 Duo E6300 Intel Core2 Duo E6300
2C 2T @ 1.86 GHz
471 (59%)

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.
AMD Athlon II X2 255 AMD Athlon II X2 255
2C 2T @ 3.10 GHz
1172 (100%)
Intel Core2 Duo E6300 Intel Core2 Duo E6300
2C 2T @ 1.86 GHz
592 (51%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Athlon II X2 255 AMD Athlon II X2 255
2C 2T @ 3.10 GHz
281 (96%)
Intel Core2 Duo E6300 Intel Core2 Duo E6300
2C 2T @ 1.86 GHz
294 (100%)

Devices using this processor

AMD Athlon II X2 255 Intel Core2 Duo E6300
Unknown Unknown

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