AMD Phenom II X3 B75 vs Intel Core i3-1305U

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CPU comparison with benchmarks


AMD Phenom II X3 B75 CPU1 vs CPU2 Intel Core i3-1305U
AMD Phenom II X3 B75 Intel Core i3-1305U

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X3 B75 and the Intel Core i3-1305U and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X3 B75 3 core processor released in Q3/2009 with the Intel Core i3-1305U which has 5 CPU cores and was introduced in Q1/2023.
AMD Phenom II (52) Family Intel Core i3 (205)
AMD Phenom II - 700 (9) CPU group Intel Core i 1300P/1300U (29)
3 Generation 13
Heka (K10) Architecture Raptor Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X3 B75 is a 3 core processor with a clock frequency of 3.00 GHz. The processor can compute 3 threads at the same time. The Intel Core i3-1305U clocks with 1.60 GHz (4.50 GHz), has 5 CPU cores and can calculate 6 threads in parallel.

AMD Phenom II X3 B75 Characteristic Intel Core i3-1305U
3 Cores 5
3 Threads 6
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz A-Core 1.60 GHz (4.50 GHz)
1x Raptor Cove
-- B-Core 1.20 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 Phenom II X3 B75 Characteristic Intel Core i3-1305U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel Iris Xe Graphics 64 (Alder Lake)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.25 GHz
-- GPU Generation 13
Technology 10 nm
Max. displays 4
-- Compute units 64
-- Shader 512
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 Iris Xe Graphics 64 (Alder Lake)
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

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X3 B75, while the Intel Core i3-1305U supports a maximum of 96 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled.

AMD Phenom II X3 B75 Characteristic Intel Core i3-1305U
DDR3-1333, DDR2-1066 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-5200, DDR4-3200
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
-- L2 Cache --
6.00 MB L3 Cache 10.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD Phenom II X3 B75 has a TDP of 95 W. The TDP of the Intel Core i3-1305U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X3 B75 Characteristic Intel Core i3-1305U
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 Phenom II X3 B75 has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Core i3-1305U is at 10.00 MB. The processor is manufactured in 10 nm.

AMD Phenom II X3 B75 Characteristic Intel Core i3-1305U
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
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
Q3/2009 Release date Q1/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Phenom II X3 B75 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the Intel Core i3-1305U to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:


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 Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
0 (0%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 4.50 GHz
1488 (100%)

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 Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
0 (0%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 1.60 GHz
3481 (100%)

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 Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
0 (0%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 4.50 GHz
2124 (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 Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
0 (0%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 1.60 GHz
4029 (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 Phenom II X3 B75 AMD Phenom II X3 B75
@ 0.00 GHz
0 (0%)
Intel Core i3-1305U Intel Core i3-1305U
Intel Iris Xe Graphics 64 (Alder Lake) @ 1.25 GHz
1240 (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 Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
3012 (100%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 1.60 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.
AMD Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
79 (100%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 4.50 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.
AMD Phenom II X3 B75 AMD Phenom II X3 B75
3C 3T @ 3.00 GHz
228 (100%)
Intel Core i3-1305U Intel Core i3-1305U
5C 6T @ 1.60 GHz
0 (0%)

Devices using this processor

AMD Phenom II X3 B75 Intel Core i3-1305U
Unknown Unknown

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