AMD GX-420CA vs AMD Phenom II X4 955
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CPU comparison with benchmarks
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| AMD GX-420CA | AMD Phenom II X4 955 | |
CPU comparisonAMD GX-420CA or AMD Phenom II X4 955 - 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 GX-420CA has 4 cores with 4 threads and clocks with a maximum frequency of 2.00 GHz. Up to 16 GB of memory is supported in 1 memory channels. The AMD GX-420CA was released in Q2/2013. The AMD Phenom II X4 955 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X4 955 was released in Q2/2009. |
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| AMD G (38) | Family | AMD Phenom II (52) |
| AMD G-Series 1st Gen (9) | CPU group | AMD Phenom II - 800/900 (23) |
| 1 | Generation | 4 |
| Temash (Jaguar) | Architecture | Deneb (K10) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD GX-420CA has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD GX-420CA is 2.00 GHz while the AMD Phenom II X4 955 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X4 955 is at 3.20 GHz. |
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| AMD GX-420CA | Characteristic | AMD Phenom II X4 955 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | Yes |
| 2.00 GHz | Frequency | 3.20 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD GX-420CA or AMD Phenom II X4 955 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 HD 8400 | GPU | no iGPU |
| 0.60 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 5 | GPU Generation | -- |
| 28 nm | Technology | |
| 2 | Max. displays | |
| 2 | Compute units | -- |
| 128 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.1 | 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 HD 8400 | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD GX-420CA can use up to 16 GB of memory in 1 memory channels. The maximum memory bandwidth is 12.8 GB/s. The AMD Phenom II X4 955 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 GX-420CA | Characteristic | AMD Phenom II X4 955 |
| DDR3-1600 | Memory | DDR3-1333, DDR2-1066 |
| 16 GB | Max. Memory | |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 12.8 GB/s | Max. Bandwidth | 21.3 GB/s |
| Yes | ECC | No |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | 6.00 MB |
| 2.0 | PCIe version | -- |
| 8 | PCIe lanes | -- |
| 4.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD GX-420CA is 25 W, while the AMD Phenom II X4 955 has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD GX-420CA | Characteristic | AMD Phenom II X4 955 |
| 25 W | TDP (PL1 / PBP) | 125 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe AMD GX-420CA is manufactured in 28 nm and has 2.00 MB cache. The AMD Phenom II X4 955 is manufactured in 45 nm and has a 6.00 MB cache. |
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| AMD GX-420CA | Characteristic | AMD Phenom II X4 955 |
| 28 nm | Technology | 45 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE3, SSE4a |
| FT3 | Socket | AM3 |
| AMD-V | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2013 | 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
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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
AMD Radeon HD 8400 @ 0.60 GHz |
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AMD Phenom II X4 955
@ 0.00 GHz |
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CPU-Z Benchmark 17 (Single-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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 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 GX-420CA
4C 4T @ 2.00 GHz |
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AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
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Devices using this processor |
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| AMD GX-420CA | AMD Phenom II X4 955 |
| Unknown | Unknown |
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