AMD Ryzen 5 3450U vs AMD Phenom II X3 705e
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CPU comparison with benchmarks
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| AMD Ryzen 5 3450U | AMD Phenom II X3 705e | |
CPU comparisonAMD Ryzen 5 3450U or AMD Phenom II X3 705e - 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 Ryzen 5 3450U has 4 cores with 8 threads and clocks with a maximum frequency of 3.50 GHz. Up to 32 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 3450U was released in Q2/2020. The AMD Phenom II X3 705e has 3 cores with 3 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X3 705e was released in Q2/2009. |
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| AMD Ryzen 5 (86) | Family | AMD Phenom II (52) |
| AMD Ryzen 3000U (10) | CPU group | AMD Phenom II - 700 (9) |
| 2 | Generation | 3 |
| Picasso (Zen+) | Architecture | Heka (K10) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 3450U has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD Ryzen 5 3450U is 2.10 GHz (3.50 GHz) while the AMD Phenom II X3 705e has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X3 705e is at 2.50 GHz. |
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| AMD Ryzen 5 3450U | Characteristic | AMD Phenom II X3 705e |
| 4 | Cores | 3 |
| 8 | Threads | 3 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 2.10 GHz | Frequency | 2.50 GHz |
| 3.50 GHz | Turbo Frequency (1 Core) | -- |
| 3.10 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD Ryzen 5 3450U or AMD Phenom II X3 705e 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. |
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| AMD Radeon RX Vega 8 (Raven Ridge) | GPU | no iGPU |
| 1.20 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 8 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 8 | Compute units | -- |
| 512 | 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 8 (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 & PCIeThe AMD Ryzen 5 3450U can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD Phenom II X3 705e supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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| AMD Ryzen 5 3450U | Characteristic | AMD Phenom II X3 705e |
| 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 |
| 2.00 MB | 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 thermal design power (TDP for short) of the AMD Ryzen 5 3450U is 15 W, while the AMD Phenom II X3 705e has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Ryzen 5 3450U | Characteristic | AMD Phenom II X3 705e |
| 15 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| 35 W | TDP up | -- |
| 12 W | TDP down | -- |
| 105 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 3450U is manufactured in 12 nm and has 6.00 MB cache. The AMD Phenom II X3 705e is manufactured in 45 nm and has a 6.00 MB cache. |
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| AMD Ryzen 5 3450U | Characteristic | AMD Phenom II X3 705e |
| 12 nm | Technology | 45 nm |
| Chiplet | 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 |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q2/2020 | Release date | Q2/2009 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
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.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
AMD Radeon RX Vega 8 (Raven Ridge) @ 1.20 GHz |
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AMD Phenom II X3 705e
@ 0.00 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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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.
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AMD Ryzen 5 3450U
4C 8T @ 2.10 GHz |
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AMD Phenom II X3 705e
3C 3T @ 2.50 GHz |
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Devices using this processor |
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| AMD Ryzen 5 3450U | AMD Phenom II X3 705e |
| Unknown | Unknown |
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