AMD Radeon Pro 555 vs ATI Xbox 360 GPU 65nm
Graphics Processor
| GPU model | Polaris 21 | Xenos Jasper |
|---|---|---|
| GPU variant | Polaris 21 PRO | Crayola 6 |
| Architecture | GCN 4.0 | TeraScale |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 65 nm |
| Number of transistors | 3,000 million | 232 million |
| Die size | 123 mm² | 181 mm² |
Mobile graphics
| Release date | Jun 5th, 2017 | — |
|---|---|---|
| Generation | Radeon Pro Mac (500 Series) | — |
| Production | Active | — |
| Interface | PCIe 3.0 x8 | — |
Clocks
| GPU clock | 850 MHz | 500 MHz |
|---|---|---|
| Memory clock | 1275 MHz 5.1 Gbps effective | 700 MHz 1400 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 512 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 81.60 GB/s | 22.40 GB/s |
Render Configuration
| Shading units | 768 | 240 |
|---|---|---|
| TMUs | 48 | 16 |
| ROPs | 16 | 8 |
| Compute units | 12 | 3 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 1024 KB | — |
Performance
| Pixel rate | 13.60 GPixel/s | 4.000 GPixel/s |
|---|---|---|
| Texture rate | 40.80 GTexel/s | 8.000 GTexel/s |
| FP16 (half) performance | 1,306 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,306 GFLOPS | 240.0 GFLOPS |
| FP64 (double) performance | 81.60 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 75 W | 150 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Length | — | 310 mm 12.2 inches |
| Width | — | 269 mm 10.6 inches |
| Height | — | 79 mm 3.1 inches |
| Weight | — | 3.5 kg (7.7 lbs) |
| Suggested PSU | — | 350 W |
API Support & Features
| DirectX | 12 (12_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | — |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 3.0 |
Other Features
Graphics Card
| Release date | — | Aug 1st, 2008 |
|---|---|---|
| Generation | — | Console GPU |
| Production | — | End-of-life |
| Interface | — | IGP |
| Launch price | — | 449 USD |
