AMD Radeon HD 8280E vs AMD Radeon HD 8470 OEM
Graphics Processor
| GPU model | Kalindi | Caicos |
|---|---|---|
| Architecture | GCN 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,178 million | 370 million |
| Die size | 110 mm² | 67 mm² |
| GPU variant | — | Caicos XT (215-0804070) |
Integrated Graphics
| Release date | Apr 23rd, 2013 | — |
|---|---|---|
| Generation | Kabini (HD 8000 Mobile) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
| Predecessor | Trinity | — |
| Successor | Kaveri | — |
Clocks
| GPU clock | 450 MHz | 775 MHz |
|---|---|---|
| Memory clock | System Shared | 800 MHz 3.2 Gbps effective |
Memory Configuration
| Memory size | System Shared | 1024 MB |
|---|---|---|
| Memory type | System Shared | GDDR5 |
| Memory bus width | System Shared | 64 bit |
| Bandwidth | System Dependent | 25.60 GB/s |
Render Configuration
| Shading units | 128 | 160 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | 2 |
| Cache L1 | — | 8 KB (per CU) |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 1.800 GPixel/s | 3.100 GPixel/s |
|---|---|---|
| Texture rate | 3.600 GTexel/s | 6.200 GTexel/s |
| FP32 (float) performance | 115.2 GFLOPS | 248.0 GFLOPS |
| FP64 (double) performance | 7.200 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | 15 W | 35 W |
| Outputs | No outputs | 1x DVI1x HDMI |
| Length | — | 168 mm 6.6 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | C264 |
API Support & Features
| DirectX | 12 (12_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2 | — |
| Shader model | 6.3 | 5.0 |
Other Features
Graphics Card
| Release date | — | Jan 8th, 2013 |
|---|---|---|
| Generation | — | Sea Islands |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | Southern Islands |
| Successor | — | Volcanic Islands |
