AMD Radeon R9 M390X vs ATI Xbox 360 E GPU
Graphics Processor
| GPU model | Amethyst | Xenos Corona |
|---|---|---|
| GPU variant | Amethyst XT | Crayola 6 |
| Architecture | GCN 3.0 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 45 nm |
| Number of transistors | 5,000 million | 372 million |
| Die size | 366 mm² | 168 mm² |
Mobile graphics
| Release date | May 5th, 2015 | — |
|---|---|---|
| Generation | Crystal System (R9 M300) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| GPU clock | 723 MHz | 500 MHz |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 700 MHz 1400 Mbps effective |
Memory Configuration
| Memory size | 4 GB | 512 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 160.0 GB/s | 22.40 GB/s |
Render Configuration
| Shading units | 2048 | 240 |
|---|---|---|
| TMUs | 128 | 16 |
| ROPs | 32 | 8 |
| Compute units | 32 | 3 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
Performance
| Pixel rate | 23.14 GPixel/s | 4.000 GPixel/s |
|---|---|---|
| Texture rate | 92.54 GTexel/s | 8.000 GTexel/s |
| FP16 (half) performance | 2.961 TFLOPS (1:1) | — |
| FP32 (float) performance | 2.961 TFLOPS | 240.0 GFLOPS |
| FP64 (double) performance | 185.1 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | 75 W | 120 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Board number | C608 | — |
| Length | — | 264 mm 10.4 inches |
| Width | — | 254 mm 10 inches |
| Height | — | 67 mm 2.6 inches |
| Weight | — | 2.9 kg (6.3 lbs) |
| Suggested PSU | — | 350 W |
API Support & Features
| DirectX | 12 (12_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | — |
| OpenCL | 2.0 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.3 | 3.0 |
Other Features
Graphics Card
| Release date | — | Jun 10th, 2013 |
|---|---|---|
| Generation | — | Console GPU |
| Production | — | End-of-life |
| Interface | — | IGP |
| Launch price | — | 299 USD |
