AMD Radeon RX 550X Mobile vs NVIDIA GeForce GTX 285 Mac Edition
Graphics Processor
| GPU model | Polaris 23 | GT200B |
|---|---|---|
| GPU variant | Polaris 23 MXT | G200-350-B3 |
| Architecture | GCN 4.0 | Tesla 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 55 nm |
| Number of transistors | 2,200 million | 1,400 million |
| Die size | 103 mm² | 470 mm² |
Mobile graphics
| Release date | Apr 11th, 2018 | — |
|---|---|---|
| Generation | Mobility Radeon (RX M500X) | — |
| Production | Active | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Crystal System | — |
Clocks
| Base clock | 1100 MHz | — |
|---|---|---|
| Boost clock | 1176 MHz | — |
| Memory clock | 1500 MHz 6 Gbps effective | 1242 MHz 2.5 Gbps effective |
| GPU clock | — | 648 MHz |
| Shader clock | — | 1476 MHz |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 64 bit | 512 bit |
| Bandwidth | 48.00 GB/s | 159.0 GB/s |
Render Configuration
| Shading units | 640 | 240 |
|---|---|---|
| TMUs | 40 | 80 |
| ROPs | 16 | 32 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | 256 KB |
| SM count | — | 30 |
Performance
| Pixel rate | 18.82 GPixel/s | 20.74 GPixel/s |
|---|---|---|
| Texture rate | 47.04 GTexel/s | 51.84 GTexel/s |
| FP16 (half) performance | 1.505 TFLOPS (1:1) | — |
| FP32 (float) performance | 1.505 TFLOPS | 708.5 GFLOPS |
| FP64 (double) performance | 94.08 GFLOPS (1:16) | 88.56 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 50 W | 204 W |
| Outputs | No outputs | 2x DVI1x S-Video |
| Power connectors | None | 2x 6-pin |
| Length | — | 267 mm 10.5 inches |
| Suggested PSU | — | 550 W |
API Support & Features
| DirectX | 12 (12_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 4.0 |
| CUDA | — | 1.3 |
Other Features
Graphics Card
| Release date | — | Jan 15th, 2009 |
|---|---|---|
| Generation | — | GeForce 200 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 88 in our database |
| Predecessor | — | GeForce 9 |
| Successor | — | GeForce 400 |
