AMD Radeon Sky 900 vs NVIDIA GRID M60-4A
Graphics Processor
| GPU model | Tahiti | GM204 |
|---|---|---|
| GPU variant | Orthrus | — |
| Architecture | GCN 1.0 | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 4,313 million | 5,200 million |
| Die size | 352 mm² | 398 mm² |
Graphics Card
| Release date | Mar 27th, 2013 | Aug 30th, 2015 |
|---|---|---|
| Generation | Radeon Sky | GRID |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Clocks
| Base clock | 825 MHz | 557 MHz |
|---|---|---|
| Boost clock | 950 MHz | 1178 MHz |
| Memory clock | 1250 MHz 5 Gbps effective | 1253 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 3 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 240.0 GB/s | 160.4 GB/s |
Render Configuration
| Shading units | 1792 | 2048 |
|---|---|---|
| TMUs | 112 | 128 |
| ROPs | 32 | 64 |
| Compute units | 28 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
| Cache L2 | 768 KB | 2 MB |
| SMM count | — | 16 |
Performance
| Pixel rate | 30.40 GPixel/s | 75.39 GPixel/s |
|---|---|---|
| Texture rate | 106.4 GTexel/s | 150.8 GTexel/s |
| FP32 (float) performance | 3.405 TFLOPS | 4.825 TFLOPS |
| FP64 (double) performance | 851.2 GFLOPS (1:4) | 150.8 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 305 mm 12 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | — |
| TDP | 300 W | 225 W |
| Suggested PSU | 700 W | 550 W |
| Outputs | 1x DVI1x mini-DisplayPort | No outputs |
| Power connectors | 2x 8-pin | 1x 8-pin |
| Board number | C476 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 6.4 |
| CUDA | — | 5.2 |
