AMD Radeon HD 7660G IGP vs AMD Radeon R5 M420
Graphics Processor
| GPU model | Devastator | Jet |
|---|---|---|
| Architecture | TeraScale 3 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 32 nm | 28 nm |
| Number of transistors | 1,303 million | 690 million |
| Die size | 246 mm² | 56 mm² |
| GPU variant | — | Jet PRO (216-0568010) |
Integrated Graphics
| Release date | May 15th, 2012 | — |
|---|---|---|
| Generation | Trinity (HD 7000 Mobile) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
| Predecessor | Sumo | — |
| Successor | Richland | — |
Clocks
| GPU clock | 686 MHz | — |
|---|---|---|
| Memory clock | System Shared | 1000 MHz 2 Gbps effective |
| Base clock | — | 780 MHz |
| Boost clock | — | 850 MHz |
Memory Configuration
| Memory size | System Shared | 4 GB |
|---|---|---|
| Memory type | System Shared | DDR3 |
| Memory bus width | System Shared | 64 bit |
| Bandwidth | System Dependent | 16.00 GB/s |
Render Configuration
| Shading units | 384 | 320 |
|---|---|---|
| TMUs | 24 | 20 |
| ROPs | 8 | 8 |
| Compute units | 6 | 5 |
| Cache L1 | — | 16 KB (per CU) |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 5.488 GPixel/s | 6.800 GPixel/s |
|---|---|---|
| Texture rate | 16.46 GTexel/s | 17.00 GTexel/s |
| FP32 (float) performance | 526.8 GFLOPS | 544.0 GFLOPS |
| FP64 (double) performance | — | 34.00 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 35 W | unknown |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 5.1 |
Other Features
Mobile graphics
| Release date | — | May 15th, 2016 |
|---|---|---|
| Generation | — | Crystal System (R5 M400) |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x8 |
| Predecessor | — | Solar System |
| Successor | — | Mobility Radeon |
