AMD Athlon 300U | AMD Phenom II X3 B75 | |
CPU comparisonIn this CPU comparison, we compare the AMD Athlon 300U and the AMD Phenom II X3 B75 and use benchmarks to check which processor is faster.
We compare the AMD Athlon 300U 2 core processor released in Q1/2019 with the AMD Phenom II X3 B75 which has 3 CPU cores and was introduced in Q3/2009. |
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AMD Athlon (29) | Family | AMD Phenom II (52) |
AMD Athlon 300 (1) | CPU group | AMD Phenom II - 700 (9) |
6 | Generation | 3 |
Picasso (Zen+) | Architecture | Heka (K10) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon 300U is a 2 core processor with a clock frequency of 2.40 GHz (3.30 GHz). The processor can compute 4 threads at the same time. The AMD Phenom II X3 B75 clocks with 3.00 GHz, has 3 CPU cores and can calculate 3 threads in parallel. |
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AMD Athlon 300U | Characteristic | AMD Phenom II X3 B75 |
2 | Cores | 3 |
4 | Threads | 3 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.40 GHz | Frequency | 3.00 GHz |
3.30 GHz | Turbo Frequency (1 Core) | -- |
2.40 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)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. |
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AMD Radeon RX Vega 3 (Raven Ridge) | GPU | no iGPU |
1.00 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
8 | GPU Generation | -- |
14 nm | Technology | |
3 | Max. displays | |
3 | Compute units | -- |
192 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
Hardware codec supportA 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. |
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AMD Radeon RX Vega 3 (Raven Ridge) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | 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 & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon 300U, while the AMD Phenom II X3 B75 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD Athlon 300U | Characteristic | AMD Phenom II X3 B75 |
DDR4-2400 | Memory | DDR3-1333, DDR2-1066 |
32 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 6.00 MB |
3.0 | PCIe version | -- |
12 | PCIe lanes | -- |
11.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Athlon 300U has a TDP of 15 W. The TDP of the AMD Phenom II X3 B75 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Athlon 300U | Characteristic | AMD Phenom II X3 B75 |
15 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe AMD Athlon 300U has 4.00 MB cache and is manufactured in 12 nm. The cache of AMD Phenom II X3 B75 is at 6.00 MB. The processor is manufactured in 45 nm. |
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AMD Athlon 300U | Characteristic | AMD Phenom II X3 B75 |
12 nm | Technology | 45 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE3, SSE4a |
FP5 | Socket | AM3 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Operating systems | Windows 10, Linux | |
Q1/2019 | Release date | Q3/2009 |
-- | Release price | -- |
show more data | show more data | |
AMD Athlon 300U
2C 4T @ 2.40 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 3.30 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 2.40 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 3.30 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 2.40 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 3.30 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
2C 4T @ 2.40 GHz |
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AMD Phenom II X3 B75
3C 3T @ 3.00 GHz |
AMD Athlon 300U
AMD Radeon RX Vega 3 (Raven Ridge) @ 1.00 GHz |
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AMD Phenom II X3 B75
@ 0.00 GHz |
Devices using this processor |
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AMD Athlon 300U | AMD Phenom II X3 B75 |
Unknown | Unknown |