AMD Phenom II X4 940 vs Qualcomm QCM6490
Last updated:
CPU comparison with benchmarks
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| AMD Phenom II X4 940 | Qualcomm QCM6490 | |
CPU comparisonAMD Phenom II X4 940 or Qualcomm QCM6490 - 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 Phenom II X4 940 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 940 was released in Q1/2009. The Qualcomm QCM6490 has 8 cores with 8 threads and clocks with a maximum frequency of 2.71 GHz. The CPU supports up to GB of memory in 2 memory channels. The Qualcomm QCM6490 was released in Q4/2021. |
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| AMD Phenom II (52) | Family | Qualcomm Snapdragon (102) |
| AMD Phenom II - 800/900 (23) | CPU group | Qualcomm QCM6490 (1) |
| 4 | Generation | 9 |
| Deneb (K10) | Architecture | Kryo 670 |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 940 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Phenom II X4 940 is 3.00 GHz while the Qualcomm QCM6490 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm QCM6490 is at 2.71 GHz. |
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| AMD Phenom II X4 940 | Characteristic | Qualcomm QCM6490 |
| 4 | Cores | 8 |
| 4 | Threads | 8 |
| normal | Core architecture | hybrid (Prime / big.LITTLE) |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 3.00 GHz | A-Core | 2.71 GHz 1x Cortex-A78 |
| -- | B-Core | 2.40 GHz 3x Cortex-A78 |
Artificial Intelligence and Machine LearningProcessors 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. |
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| AMD Phenom II X4 940 | Characteristic | Qualcomm QCM6490 |
| -- | AI hardware | Qualcomm AI engine |
| -- | AI specifications | -- |
Internal GraphicsThe AMD Phenom II X4 940 or Qualcomm QCM6490 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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| no iGPU | GPU | Qualcomm Adreno 643L |
| GPU frequency | 0.81 GHz | |
| -- | GPU (Turbo) | 0.81 GHz |
| -- | GPU Generation | -- |
| Technology | 6 nm | |
| Max. displays | 1 | |
| -- | Compute units | -- |
| -- | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | DirectX Version | 12.0 |
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 | Qualcomm Adreno 643L |
| 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 / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Phenom II X4 940 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Qualcomm QCM6490 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 44.0 GB/s. |
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| AMD Phenom II X4 940 | Characteristic | Qualcomm QCM6490 |
| DDR3-1333, DDR2-1066 | Memory | LPDDR5-6400, LPDDR4X-4266 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 44.0 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 6.00 MB | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Phenom II X4 940 is 125 W, while the Qualcomm QCM6490 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Phenom II X4 940 | Characteristic | Qualcomm QCM6490 |
| 125 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 940 is manufactured in 45 nm and has 6.00 MB cache. The Qualcomm QCM6490 is manufactured in 6 nm and has a 0.00 MB cache. |
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| AMD Phenom II X4 940 | Characteristic | Qualcomm QCM6490 |
| 45 nm | Technology | 6 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE3, SSE4a | ISA extensions | -- |
| AM2+ | Socket | -- |
| AMD-V | Virtualization | None |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Android |
| Q1/2009 | Release date | Q4/2021 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 8T @ 2.71 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 1 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 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 GHz |
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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.
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 GHz |
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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.
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 Phenom II X4 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 Phenom II X4 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 940
@ 0.00 GHz |
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Qualcomm QCM6490
Qualcomm Adreno 643L @ 0.81 GHz |
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AnTuTu 10 Benchmark
The AnTuTu 10 benchmark is one of the best-known benchmarks for mobile processors, which is now available in version 10. There is a version for Android-based smartphones and tablets, as well as a version for Apple mobile devices, i.e. iPhones and iPads.
The Antutu 10 benchmark has 3 phases. In the first phase, the device's RAM is tested, in phase 2 the graphics are tested and in the final phase the entire device is pushed to its performance limits by rendering 3D graphics.
Antutu 10 is therefore ideal for comparing the performance of different devices.
The Antutu 10 benchmark has 3 phases. In the first phase, the device's RAM is tested, in phase 2 the graphics are tested and in the final phase the entire device is pushed to its performance limits by rendering 3D graphics.
Antutu 10 is therefore ideal for comparing the performance of different devices.
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 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 940
4C 4T @ 3.00 GHz |
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Qualcomm QCM6490
8C 8T @ 2.71 GHz |
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Devices using this processor |
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| AMD Phenom II X4 940 | Qualcomm QCM6490 |
| Unknown | Fairphone 5 |
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