AMD Radeon HD 8490 OEM vs Intel HD Graphics
Graphics Processor
| GPU model | Caicos | Bay Trail GT1 |
|---|---|---|
| GPU variant | Caicos XTX | — |
| Architecture | TeraScale 2 | Generation 7.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 40 nm | 22 nm |
| Number of transistors | 370 million | unknown |
| Die size | 67 mm² | unknown |
Graphics Card
| Release date | Jul 23rd, 2013 | — |
|---|---|---|
| Generation | Sea Islands | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Southern Islands | — |
| Successor | Volcanic Islands | — |
Clocks
| GPU clock | 875 MHz | — |
|---|---|---|
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
| Base clock | — | 311 MHz |
| Boost clock | — | 646 MHz |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 14.40 GB/s | System Dependent |
Render Configuration
| Shading units | 160 | 32 |
|---|---|---|
| TMUs | 8 | 4 |
| ROPs | 4 | 1 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| Execution units | — | 4 |
Performance
| Pixel rate | 3.500 GPixel/s | 646.0 MPixel/s |
|---|---|---|
| Texture rate | 7.000 GTexel/s | 2.584 GTexel/s |
| FP32 (float) performance | 280.0 GFLOPS | 41.34 GFLOPS |
| FP64 (double) performance | — | 10.34 GFLOPS (1:4) |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 168 mm 6.6 inches | — |
| TDP | 35 W | 4 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x DisplayPort | No outputs |
| Power connectors | None | — |
| Board number | C369, C553 | — |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.0 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | 1.0 |
| Shader model | 5.0 | 5.0 |
Other Features
Integrated Graphics
| Release date | — | Sep 2nd, 2013 |
|---|---|---|
| Generation | — | HD Graphics-T (Bay Trail) |
| Production | — | End-of-life |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
