AMD Phenom II X4 840 vs AMD A8-5545M
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CPU comparison with benchmarks
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| AMD Phenom II X4 840 | AMD A8-5545M | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 840 and the AMD A8-5545M and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 840 4 core processor released in Q1/2011 with the AMD A8-5545M which has 4 CPU cores and was introduced in Q2/2013. |
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| AMD Phenom II (52) | Family | AMD A (112) |
| AMD Phenom II - 840/850 (2) | CPU group | AMD A8-5000M (3) |
| 5 | Generation | 3 |
| Propus | Architecture | Richland (Piledriver) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 840 is a 4 core processor with a clock frequency of 3.20 GHz. The processor can compute 4 threads at the same time. The AMD A8-5545M clocks with 1.70 GHz (2.70 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD Phenom II X4 840 | Characteristic | AMD A8-5545M |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 3.20 GHz | Frequency | 1.70 GHz |
| -- | Turbo Frequency (1 Core) | 2.70 GHz |
| -- | Turbo Frequency (All Cores) | 2.70 GHz |
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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| no iGPU | GPU | AMD Radeon HD 8510G |
| GPU frequency | 0.45 GHz | |
| -- | GPU (Turbo) | 0.55 GHz |
| -- | GPU Generation | 5 |
| Technology | 32 nm | |
| Max. displays | 2 | |
| -- | Compute units | 6 |
| -- | Shader | 384 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | DirectX Version | 11 |
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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| no iGPU | GPU | AMD Radeon HD 8510G |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 840, while the AMD A8-5545M supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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| AMD Phenom II X4 840 | Characteristic | AMD A8-5545M |
| DDR3-1333, DDR2-1066 | Memory | DDR3-1333 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 4.00 MB |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X4 840 has a TDP of 95 W. The TDP of the AMD A8-5545M is 19 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Phenom II X4 840 | Characteristic | AMD A8-5545M |
| 95 W | TDP (PL1 / PBP) | 19 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 840 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD A8-5545M is at 4.00 MB. The processor is manufactured in 32 nm. |
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| AMD Phenom II X4 840 | Characteristic | AMD A8-5545M |
| 45 nm | Technology | 32 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| AM3 | Socket | FP2 |
| AMD-V | Virtualization | AMD-V |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q1/2011 | Release date | Q2/2013 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 1.70 GHz (2.70 GHz) buy now on Amazon and save!
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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
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 Phenom II X4 840
4C 4T @ 3.20 GHz |
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AMD A8-5545M
4C 4T @ 2.70 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 Phenom II X4 840
4C 4T @ 3.20 GHz |
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AMD A8-5545M
4C 4T @ 2.70 GHz |
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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 Phenom II X4 840
4C 4T @ 3.20 GHz |
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AMD A8-5545M
4C 4T @ 2.70 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 Phenom II X4 840
@ 0.00 GHz |
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AMD A8-5545M
AMD Radeon HD 8510G @ 0.55 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 Phenom II X4 840
4C 4T @ 3.20 GHz |
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AMD A8-5545M
4C 4T @ 2.70 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 Phenom II X4 840
4C 4T @ 3.20 GHz |
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AMD A8-5545M
4C 4T @ 2.70 GHz |
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Devices using this processor |
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| AMD Phenom II X4 840 | AMD A8-5545M |
| Unknown | Unknown |
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