AMD Radeon HD 6470M vs AMD Radeon HD 8250 IGP
Graphics Processor
| GPU model | Seymour | Kalindi |
|---|---|---|
| GPU variant | Seymour XT (216-0810084) | Kalindi LP |
| Architecture | TeraScale 2 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 370 million | 1,178 million |
| Die size | 67 mm² | 110 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6400M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 700 MHz | — |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | System Shared |
| Base clock | — | 300 MHz |
| Boost clock | — | 400 MHz |
Memory Configuration
| Memory size | 512 MB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 12.80 GB/s | System Dependent |
Render Configuration
| Shading units | 160 | 128 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | 2 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
Performance
| Pixel rate | 2.800 GPixel/s | 1.600 GPixel/s |
|---|---|---|
| Texture rate | 5.600 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 224.0 GFLOPS | 102.4 GFLOPS |
| FP64 (double) performance | — | 6.400 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | 25 W | 8 W |
|---|---|---|
| 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 | 6.3 |
Other Features
Integrated Graphics
| Release date | — | May 23rd, 2013 |
|---|---|---|
| Generation | — | Temash (HD 8000 Mobile) |
| Production | — | End-of-life |
| Interface | — | IGP |
| Predecessor | — | Palm |
