AMD Ryzen 7 7745HX vs AMD Ryzen 7 8840U
            AMD Ryzen 7 7745HX
            
                
            
        
    
            AMD Ryzen 7 8840U
            
                
            
        
    | 8 Cores 16 Threads 3.6GHz Clock | 8 Cores 16 Threads 3.3GHz Clock | 
| Socket FL1 | Socket FP8 | 
| iGPURadeon 610M 2200MHz 560 GFLOPS FP32 | iGPURadeon 780M 2700MHz 4.15 TFLOPS FP32 | 
| 
                                            
                                                GB6S 2,660
                                            
                                             66% | GB6S 2,300 57% | 
| 
                                            
                                                GB6M 13,020
                                            
                                             49% | GB6M 11,000 41% | 
| CB23S 1,845 71% | CB23S 1,765 68% | 
| CB23M 18,060 42% | CB23M 12,890 30% | 
| ManufacturerAMD | ManufacturerAMD | 
| ArchitectureZen 4 | ArchitectureZen 4 | 
| FamilyRyzen 7000 | FamilyRyzen 8000 | 
| Instruction Set (ISA) x86-64 | Instruction Set (ISA) x86-64 | 
| Codename Dragon Range Durango Dragon Range 1CCD - - - - - - | Codename Hawk Point - - - - - - - - | 
| Market Segment Laptop | Market Segment Laptop | 
| Release Date 1/4/2023 | Release Date 12/6/2023 | 
| Foundry TSMC TSMC (IO Die) - - | Foundry TSMC - - - | 
| Node N5 N6 (IO Die) - - | Node N4 - - - | 
| Die Size 71 mm² 122 mm² (IO Die) - - | Die Size 178 mm² - - - | 
| Transistor Count 6.6 Billion 3.4 Billion (IO Die) - - | Transistor Count 25 Billion - - - | 
| 8 Cores - - - | 8 Cores - - - | 
| 16 Threads - - - | 16 Threads - - - | 
| - 3.6GHz 5.1GHz Boost - | - 3.3GHz 5.1GHz Boost - | 
| - - - | - - - | 
| - - - | - - - | 
| Overclocking Unlocked - - - | Overclocking Locked - - - | 
| Type PCIe | Type PCIe | 
| - - | - - | 
| - - | - - | 
| Transfer Rate 32GT/s | Transfer Rate 16GT/s | 
| - - | - - | 
| Lanes 4 | Lanes 4 | 
| Bandwidth 16GB/s | Bandwidth 8GB/s | 
| Bi-directional 32GB/s | Bi-directional 16GB/s | 
| L0 Instruction - - | L0 Instruction - - | 
| L0 Data - - | L0 Data - - | 
| L1 Instruction 32KB/Core 8-way set associative - - - - | L1 Instruction 32KB/Core 8-way set associative - - - - | 
| L1 Data 32KB/Core 8-way set associative - - - - | L1 Data 32KB/Core 8-way set associative - - - - | 
| L2 1024KB/Core 8-way set associative - - - - - - - - - - | L2 1024KB/Core 8-way set associative - - - - - - - - - - | 
| L3 - 32MB Shared - 16-way set associative - - - - - | L3 - 16MB Shared - 16-way set associative - - - - - | 
| - - - - | - - - - | 
| Channels 2 | Channels 2 | 
| Max Memory 64GB | Max Memory 256GB 64GB | 
| ECC Not Supported | ECC Not Supported | 
| Bus Width/Channel 64Bit Bus Width 128Bit | Bus Width/Channel 64Bit Bus Width 128Bit | 
| Clock 2600MHz Transfer Rate 5200MT/s | Clock 3750MHz 2800MHz Transfer Rate 7500MT/s 5600MT/s | 
| Bandwidth/Channel 41.6GB/s Bandwidth 83.2GB/s | Bandwidth/Channel 60.0GB/s 44.8GB/s Bandwidth 120.0GB/s 89.6GB/s | 
| TDP 55W 45W cTDP Down 75W cTDP Up - | TDP 28W 15W cTDP Down 30W cTDP Up - | 
| Temp 100°C Max - | Temp 100°C Max - | 
| Included Cooler Not Included | Included Cooler Not Included | 
| PCIe 5.0 x28 Lanes | PCIe 4.0 x20 Lanes | 
| Radeon 610M 2200MHz 128 Shaders 2200MHz 560 GFLOPS FP32 | Radeon 780M 2700MHz 768 Shaders 2700MHz 4.15 TFLOPS FP32 | 
| No NPU - | XDNA | 
| - - | - - | 
| -  | 16 TOPS INT4 | 
| - - | - - | 
| No Cellular | No Cellular | 
 
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
        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