AMD Phenom II X3 740 vs AMD Ryzen 5 7645HX
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CPU comparison with benchmarks
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| AMD Phenom II X3 740 | AMD Ryzen 5 7645HX | |
CPU comparisonAMD Phenom II X3 740 or AMD Ryzen 5 7645HX - 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 X3 740 has 3 cores with 3 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 X3 740 was released in Q3/2010. The AMD Ryzen 5 7645HX has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 5 7645HX was released in Q1/2023. |
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| AMD Phenom II (52) | Family | AMD Ryzen 5 (86) |
| AMD Phenom II - 700 (9) | CPU group | AMD Ryzen 7045 (6) |
| 3 | Generation | 6 |
| Heka (K10) | Architecture | Dragon Range (Zen 4) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X3 740 has 3 CPU cores and can calculate 3 threads in parallel. The clock frequency of the AMD Phenom II X3 740 is 3.00 GHz while the AMD Ryzen 5 7645HX has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 7645HX is at 4.00 GHz (5.00 GHz). |
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| AMD Phenom II X3 740 | Characteristic | AMD Ryzen 5 7645HX |
| 3 | Cores | 6 |
| 3 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | Yes |
| 3.00 GHz | Frequency | 4.00 GHz |
| -- | Turbo Frequency (1 Core) | 5.00 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD Phenom II X3 740 or AMD Ryzen 5 7645HX 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 | AMD Radeon 610M |
| GPU frequency | 0.40 GHz | |
| -- | GPU (Turbo) | 2.20 GHz |
| -- | GPU Generation | 9 |
| Technology | 6 nm | |
| Max. displays | 3 | |
| -- | Compute units | 2 |
| -- | Shader | 128 |
| 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 610M |
| 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 X3 740 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD Ryzen 5 7645HX supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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| AMD Phenom II X3 740 | Characteristic | AMD Ryzen 5 7645HX |
| DDR3-1333, DDR2-1066 | Memory | DDR5-5200 |
| Max. Memory | 128 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 83.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 6.00 MB |
| 6.00 MB | L3 Cache | 32.00 MB |
| -- | PCIe version | 5.0 |
| -- | PCIe lanes | 28 |
| -- | PCIe Bandwidth | 110.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Phenom II X3 740 is 95 W, while the AMD Ryzen 5 7645HX has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Phenom II X3 740 | Characteristic | AMD Ryzen 5 7645HX |
| 95 W | TDP (PL1 / PBP) | 55 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 75 W |
| -- | TDP down | 45 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe AMD Phenom II X3 740 is manufactured in 45 nm and has 6.00 MB cache. The AMD Ryzen 5 7645HX is manufactured in 5 nm and has a 38.00 MB cache. |
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| AMD Phenom II X3 740 | Characteristic | AMD Ryzen 5 7645HX |
| 45 nm | Technology | 5 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| AM3 | Socket | FL1 |
| AMD-V | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2010 | Release date | Q1/2023 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 Phenom II X3 740
3C 3T @ 3.00 GHz |
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AMD Ryzen 5 7645HX
6C 12T @ 5.00 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 Phenom II X3 740
3C 3T @ 3.00 GHz |
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AMD Ryzen 5 7645HX
6C 12T @ 4.00 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 X3 740
@ 0.00 GHz |
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AMD Ryzen 5 7645HX
AMD Radeon 610M @ 2.20 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 Phenom II X3 740
3C 3T @ 3.00 GHz |
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AMD Ryzen 5 7645HX
6C 12T @ 4.00 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 X3 740
3C 3T @ 3.00 GHz |
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AMD Ryzen 5 7645HX
6C 12T @ 5.00 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 X3 740
3C 3T @ 3.00 GHz |
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AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz |
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CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
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AMD Phenom II X3 740
3.00 GHz |
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AMD Ryzen 5 7645HX
13,824 CB R23 MC @ 51 W |
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Devices using this processor |
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| AMD Phenom II X3 740 | AMD Ryzen 5 7645HX |
| Unknown | Unknown |
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