AMD Radeon HD 6650M vs AMD Radeon R8 M445DX
Graphics Processor
| GPU model | Whistler | Meso |
|---|---|---|
| GPU variant | Whistler LE | Meso PRO (216-0864032) |
| Architecture | TeraScale 2 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 716 million | 1,550 million |
| Die size | 104 mm² | 125 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6600M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 600 MHz | — |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | System Shared |
| Base clock | — | 780 MHz |
| Boost clock | — | 1021 MHz |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 128 bit | System Shared |
| Bandwidth | 25.60 GB/s | System Dependent |
Render Configuration
| Shading units | 480 | 320 |
|---|---|---|
| TMUs | 24 | 20 |
| ROPs | 8 | 8 |
| Compute units | 6 | 5 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 128 KB |
Performance
| Pixel rate | 4.800 GPixel/s | 8.168 GPixel/s |
|---|---|---|
| Texture rate | 14.40 GTexel/s | 20.42 GTexel/s |
| FP32 (float) performance | 576.0 GFLOPS | 653.4 GFLOPS |
| FP16 (half) performance | — | 653.4 GFLOPS (1:1) |
| FP64 (double) performance | — | 40.84 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | unknown | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.0 |
Other Features
Integrated Graphics
| Release date | — | May 15th, 2016 |
|---|---|---|
| Generation | — | Crystal System (Rx M400) |
| Production | — | End-of-life |
| Interface | — | IGP |
