AMD Athlon II X3 450 vs Intel Processor U300

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CPU comparison with benchmarks


AMD Athlon II X3 450 CPU1 vs CPU2 Intel Processor U300
AMD Athlon II X3 450 Intel Processor U300

CPU comparison

AMD Athlon II X3 450 or Intel Processor U300 - 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 X3 450 has 3 cores with 3 threads and clocks with a maximum frequency of 3.20 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X3 450 was released in Q3/2010.

The Intel Processor U300 has 5 cores with 6 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Processor U300 was released in Q1/2023.
AMD Athlon II (52) Family Intel Processor U (4)
AMD Athlon II X3 (Rana) (12) CPU group Intel Core i 1300P/1300U (29)
1 Generation 13
Rana Architecture Raptor Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X3 450 is a 3 core processor with a clock frequency of 3.20 GHz. The Intel Processor U300 has 5 CPU cores with a clock frequency of 1.20 GHz (4.40 GHz).

AMD Athlon II X3 450 Characteristic Intel Processor U300
3 Cores 5
3 Threads 6
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
3.20 GHz A-Core 1.20 GHz (4.40 GHz)
1x Raptor Cove
-- B-Core 0.90 GHz (3.30 GHz)
4x Gracemont

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 X3 450 Characteristic Intel Processor U300
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU Intel UHD Graphics 13th Gen (48 EU)
GPU frequency 0.20 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 13
Technology 10 nm
Max. displays 3
-- Compute units 48
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.1

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 Intel UHD Graphics 13th Gen (48 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Athlon II X3 450 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Processor U300 can connect up to 96 GB of memory in 2 memory channels.

AMD Athlon II X3 450 Characteristic Intel Processor U300
DDR3-1333 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-5200, DDR4-3200
16 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 83.2 GB/s
No ECC No
1.50 MB L2 Cache --
-- L3 Cache 10.00 MB
2.0 PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon II X3 450 has a TDP of 95 W, that of the Intel Processor U300 is 15 W.

AMD Athlon II X3 450 Characteristic Intel Processor U300
95 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
-- TDP up --
-- TDP down 12 W
-- Tjunction max. 100 °C

Technical details

The AMD Athlon II X3 450 has a 1.50 MB cache, while the Intel Processor U300 cache has a total of 10.00 MB.

AMD Athlon II X3 450 Characteristic Intel Processor U300
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX2
AM3 Socket BGA 1744
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2010 Release date Q1/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Athlon II X3 450 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Processor U300 to help other visitors make their purchasing decisions. The average rating is 4.3 stars (6 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Athlon II X3 450 (0%)
Intel Processor U300 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Athlon II X3 450 (19%)
Intel Processor U300 (100%)

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 X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
1819 (19%)
Intel Processor U300 Intel Processor U300
5C 6T @ 1.20 GHz
9341 (100%)

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 X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
384 (100%)
Intel Processor U300 Intel Processor U300
5C 6T @ 4.40 GHz
0 (0%)

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 X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
980 (100%)
Intel Processor U300 Intel Processor U300
5C 6T @ 1.20 GHz
0 (0%)

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.
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
0 (0%)
Intel Processor U300 Intel Processor U300
5C 6T @ 4.40 GHz
2158 (100%)

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.
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
0 (0%)
Intel Processor U300 Intel Processor U300
5C 6T @ 1.20 GHz
5096 (100%)

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.
AMD Athlon II X3 450 AMD Athlon II X3 450
@ 0.00 GHz
0 (0%)
Intel Processor U300 Intel Processor U300
Intel UHD Graphics 13th Gen (48 EU) @ 1.10 GHz
844 (100%)

Devices using this processor

AMD Athlon II X3 450 Intel Processor U300
Unknown Unknown

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