AMD Radeon 840M 2900MHz vs AMD Radeon RX 6800M
            AMD Radeon 840M 2900MHz
            
                
            
        
    
            AMD Radeon RX 6800M
            
                
            
        
    | 256 Shaders Shared Memory 2900MHz | 2560 Shaders 12GB GDDR6 2424MHz | 
| Peak AI Performance 2.97 TFLOPS FP16 | Peak AI Performance 24.82 TFLOPS FP16 | 
| FP32 1.49 TFLOPS | FP32 12.41 TFLOPS | 
| FP16 2.97 TFLOPS | FP16 24.82 TFLOPS | 
| Form Factor iGPU - | Form Factor Soldered - | 
| TDP Shared | TDP 145W | 
| - - - - - | - - - - - | 
| GB6 OpenCL N/A 0% | |
| GB6 Metal N/A 0% | |
| GB6 Vulkan N/A 0% | 
| GB5 OpenCL N/A 0% | GB5 OpenCL 94,855 31% | 
| GB5 CUDA N/A 0% | GB5 CUDA N/A 0% | 
| GB5 Metal N/A 0% | GB5 Metal N/A 0% | 
| GB5 Vulkan N/A 0% | GB5 Vulkan 49,145 24% | 
| OCT 2020.1 N/A 0% | OCT 2020.1 N/A 0% | 
| OCT Metal N/A 0% | OCT Metal 245 41% | 
| Peak AI
                                            Performance 
                                            2.97 TFLOPS
                                         
                                            FP16
                                         | Peak AI
                                            Performance 
                                            24.82 TFLOPS
                                         
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                                            FP16
                                         
                                            2.97 TFLOPS
                                            
                                                
                                            
                                         
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                                            FP16
                                         
                                            24.82 TFLOPS
                                            
                                                
                                            
                                         
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                                            FP32
                                         
                                            1.49 TFLOPS
                                            
                                                
                                            
                                         
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                                            FP32
                                         
                                            12.41 TFLOPS
                                            
                                                
                                            
                                         
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                                            FP64
                                         
                                            90 GFLOPS
                                            
                                                
                                            
                                         
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                                            FP64
                                         
                                            780 GFLOPS
                                            
                                                
                                            
                                         
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                                            BF16
                                         
                                            2.97 TFLOPS
                                            
                                                
                                            
                                         
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                                            INT32
                                         
                                            0.74 TOPS
                                            
                                                
                                            
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| Pixel
                                            Fillrate 
                                            92.8 GPixel/s
                                         | Pixel
                                            Fillrate 
                                            155.136 GPixel/s
                                         | 
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| Texture
                                            Fillrate 
                                            46.4 GTexel/s
                                         | Texture
                                            Fillrate 
                                            387.84 GTexel/s
                                         | 
| ManufacturerAMD | ManufacturerAMD | 
| Chip DesignerAMD | Chip DesignerAMD | 
| ArchitectureRDNA 3.5 | ArchitectureRDNA 2 | 
| Family800 | FamilyRadeon RX 6000 | 
| Codename Strix Point - - - | Codename Navy Flounder Navi 22 Variant Navi 22 XT | 
| Market Segment Laptop | Market Segment Laptop | 
| Release Date 1/6/2025 | Release Date 5/31/2021 | 
| - - - | Foundry TSMC - | 
| - - - | Fabrication Node N7 - | 
| - - - | Die Size 335 mm² - | 
| - - | Transistor Count 17.2 Billion - | 
| - - - | Transistor Density 51.34M/mm² - | 
| Form iGPU | Form Soldered | 
| Shading Units 256 Shaders - | Shading Units 2560 Shaders - | 
| Texture Mapping Units 16 TMUs | Texture Mapping Units 160 TMUs | 
| Render Output Units 32 ROPs | Render Output Units 64 ROPs | 
| - - | - - | 
| Ray-Tracing Cores 4 RT-Cores | Ray-Tracing Cores 40 RT-Cores | 
| - - | - - | 
| Compute Units 4 CUs | Compute Units 40 CUs | 
| - - | - - | 
| - - | Graphics Processing Clusters 2 GPCs | 
| - - 1500MHz Base 2900MHz | - - 2300MHz Base 2424MHz | 
| L0 32KB/WGP | L0 32KB/WGP | 
| L1 - - - 256KB/Array | L1 - - - 128KB/Array | 
| L2 Unknown | L2 3MB Shared | 
| - - - | L3 96MB Shared 1.25TB/s | 
| Shared Memory - - | 12GB GDDR6 - | 
| - | Bus Width 192Bit | 
| - - - - - - | Clock 2000MHz Transfer Rate 16GT/s Bandwidth 384GB/s | 
| - - - - - - - - - | - - - - - - - - - | 
| TDP Shared | TDP 145W | 
| - - | - - | 
| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - No Ports | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - No Ports | 
| Max Resolution 4096x2160 | Max Resolution 7680x4320 | 
| Max Resolution Refresh Rate 60Hz | Max Resolution Refresh Rate 60Hz | 
| Variable Refresh Rate - FreeSync - | Variable Refresh Rate - FreeSync - | 
| Display Stream Compression (DSC) Not Supported | Display Stream Compression (DSC) Supported | 
| Multi Monitor Support 4 | Multi Monitor Support 3 | 
| Content Protection HDCP 2.3 | Content Protection HDCP 2.3 | 
| Model VCN 4.0 | Model VCN 3.0 | 
| Codec - - - - - - VP9 - AVC (H.264) HEVC (H.265) - AV1 - - | Codec - - - - - - - - AVC (H.264) HEVC (H.265) - - - - | 
| Model VCN 4.0 | Model VCN 3.0 | 
| Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 - AVC (H.264) HEVC (H.265) - AV1 - - | Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 - AVC (H.264) HEVC (H.265) - AV1 - - | 
| Direct X 12 Direct 3D 12_2 | Direct X 12 Direct 3D 12_2 | 
| OpenGL 4.6 OpenCL 2.1 Vulkan 1.3 | OpenGL 4.6 OpenCL 2.1 Vulkan 1.2 | 
| Shader Model 6.7 - - GFX 11.5 - - - - | Shader Model 6.5 - - GFX 10.3 - - - - | 
| Not a Card - - - | Not a Card - - - | 
| - - - - - - - - | - - - - - - - - | 
| - - - - - - | - - - - - - | 
| - - - - | - - - - | 
| - - - - - - | - - - - - - | 
 
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
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