AMD Radeon HD 6450 vs AMD Radeon R3E Mobile Graphics
Graphics Processor
| GPU model | Caicos | Beema |
|---|---|---|
| GPU variant | Caicos PRO | — |
| Architecture | TeraScale 2 | GCN 2.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 370 million | 930 million |
| Die size | 67 mm² | 107 mm² |
Graphics Card
| Release date | Apr 7th, 2011 | — |
|---|---|---|
| Generation | Northern Islands | — |
| Production | End-of-life | — |
| Launch price | 55 USD | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 14 in our database | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 625 MHz | 351 MHz |
|---|---|---|
| Memory clock | 800 MHz 3.2 Gbps effective | System Shared |
Memory Configuration
| Memory size | 512 MB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 25.60 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 | 2.500 GPixel/s | 1.404 GPixel/s |
|---|---|---|
| Texture rate | 5.000 GTexel/s | 2.808 GTexel/s |
| FP32 (float) performance | 200.0 GFLOPS | 89.86 GFLOPS |
| FP64 (double) performance | — | 5.616 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 168 mm 6.6 inches | — |
| TDP | 18 W | 100 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x HDMI1x VGA | No outputs |
| Power connectors | None | — |
| Board number | C264 | — |
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 | — | Jan 28th, 2015 |
|---|---|---|
| Generation | — | Mullins (Rx 200 Mobile) |
| Production | — | End-of-life |
| Interface | — | IGP |
| Predecessor | — | Richland |
| Successor | — | Carrizo |
