AMD Radeon HD 6650M vs Intel Iris Pro Graphics P580
Graphics Processor
| GPU model | Whistler | Skylake GT4e |
|---|---|---|
| GPU variant | Whistler LE | — |
| Architecture | TeraScale 2 | Generation 9.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 40 nm | 14 nm+ |
| Number of transistors | 716 million | unknown |
| Die size | 104 mm² | unknown |
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 | — | 350 MHz |
| Boost clock | — | 1050 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 | 576 |
|---|---|---|
| TMUs | 24 | 72 |
| ROPs | 8 | 9 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Execution units | — | 72 |
Performance
| Pixel rate | 4.800 GPixel/s | 9.450 GPixel/s |
|---|---|---|
| Texture rate | 14.40 GTexel/s | 75.60 GTexel/s |
| FP32 (float) performance | 576.0 GFLOPS | 1,210 GFLOPS |
| FP16 (half) performance | — | 2.419 TFLOPS (2:1) |
| FP64 (double) performance | — | 302.4 GFLOPS (1:4) |
Dimensions & Outputs
| TDP | unknown | 15 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Sep 1st, 2015 |
|---|---|---|
| Generation | — | HD Graphics-WM (Skylake) |
| Production | — | Active |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
