AMD Radeon Pro 555 vs NVIDIA GeForce GTX 470 X2
Graphics Processor
| GPU model | Polaris 21 | GF100 |
|---|---|---|
| GPU variant | Polaris 21 PRO | GF100-030-A3 |
| Architecture | GCN 4.0 | Fermi |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 40 nm |
| Number of transistors | 3,000 million | 3,100 million |
| Die size | 123 mm² | 529 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 | 608 MHz |
|---|---|---|
| Memory clock | 1275 MHz 5.1 Gbps effective | 837 MHz 3.3 Gbps effective |
| Shader clock | — | 1215 MHz |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 81.60 GB/s | 107.1 GB/s |
Render Configuration
| Shading units | 768 | 352 |
|---|---|---|
| TMUs | 48 | 44 |
| ROPs | 16 | 32 |
| Compute units | 12 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 1024 KB | 512 KB |
| SM count | — | 11 |
Performance
| Pixel rate | 13.60 GPixel/s | 13.38 GPixel/s |
|---|---|---|
| Texture rate | 40.80 GTexel/s | 26.75 GTexel/s |
| FP16 (half) performance | 1,306 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,306 GFLOPS | 855.4 GFLOPS |
| FP64 (double) performance | 81.60 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 75 W | 215 W |
| Outputs | No outputs | 3x DVI |
| Power connectors | None | 2x 8-pin |
| Suggested PSU | — | 550 W |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 2.0 |
Other Features
Graphics Card
| Release date | — | Never Released |
|---|---|---|
| Generation | — | GeForce 400 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 48 in our database |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 500 |
