AMD Phenom II X4 820 vs AMD Ryzen 5 PRO 6650H
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CPU comparison with benchmarks
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| AMD Phenom II X4 820 | AMD Ryzen 5 PRO 6650H | |
CPU comparisonAMD Phenom II X4 820 or AMD Ryzen 5 PRO 6650H - 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 820 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 820 was released in Q3/2009. The AMD Ryzen 5 PRO 6650H has 6 cores with 12 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 6650H was released in Q2/2022. |
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| AMD Phenom II (52) | Family | AMD Ryzen 5 (85) |
| AMD Phenom II - 800/900 (23) | CPU group | AMD Ryzen 6000H/7035H (20) |
| 4 | Generation | 5 |
| Deneb (K10) | Architecture | Rembrandt (Zen 3+) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 820 is a 4 core processor with a clock frequency of 2.80 GHz. The AMD Ryzen 5 PRO 6650H has 6 CPU cores with a clock frequency of 3.30 GHz (4.50 GHz). |
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| AMD Phenom II X4 820 | Characteristic | AMD Ryzen 5 PRO 6650H |
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 2.80 GHz | Frequency | 3.30 GHz |
| -- | Turbo Frequency (1 Core) | 4.50 GHz |
| -- | Turbo Frequency (All Cores) | 3.80 GHz |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| no iGPU | GPU | AMD Radeon 660M |
| GPU frequency | 1.40 GHz | |
| -- | GPU (Turbo) | 1.90 GHz |
| -- | GPU Generation | 9 |
| Technology | 6 nm | |
| Max. displays | 3 | |
| -- | Compute units | 6 |
| -- | Shader | 384 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 8 GB |
| -- | DirectX Version | 12 |
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 660M |
| 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 | Decode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Phenom II X4 820 supports a maximum of GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 6650H can connect up to 64 GB of memory in 2 memory channels. |
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| AMD Phenom II X4 820 | Characteristic | AMD Ryzen 5 PRO 6650H |
| DDR3-1333, DDR2-1066 | Memory | LPDDR5-6400, DDR5-4800 |
| Max. Memory | 64 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 76.8 GB/s |
| No | ECC | No |
| -- | L2 Cache | 3.00 MB |
| 4.00 MB | L3 Cache | 16.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 12 |
| -- | PCIe Bandwidth | 23.6 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 820 has a TDP of 95 W, that of the AMD Ryzen 5 PRO 6650H is 45 W. |
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| AMD Phenom II X4 820 | Characteristic | AMD Ryzen 5 PRO 6650H |
| 95 W | TDP (PL1 / PBP) | 45 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 54 W |
| -- | TDP down | 35 W |
| -- | Tjunction max. | 105 °C |
Technical detailsThe AMD Phenom II X4 820 has a 4.00 MB cache, while the AMD Ryzen 5 PRO 6650H cache has a total of 19.00 MB. |
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| AMD Phenom II X4 820 | Characteristic | AMD Ryzen 5 PRO 6650H |
| 45 nm | Technology | 6 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| AM3 | Socket | FP7 |
| AMD-V | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2009 | Release date | Q2/2022 |
| -- | 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
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 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 4.50 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 Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 3.80 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 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 3.80 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 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 4.50 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 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 3.80 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 820
@ 0.00 GHz |
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AMD Ryzen 5 PRO 6650H
AMD Radeon 660M @ 1.90 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 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 4.50 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 Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD Ryzen 5 PRO 6650H
6C 12T @ 3.80 GHz |
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Devices using this processor |
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| AMD Phenom II X4 820 | AMD Ryzen 5 PRO 6650H |
| Unknown | Unknown |
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