AMD Radeon R9 255 OEM vs NVIDIA GeForce GT 630 Rev. 2
What is the difference between AMD Radeon R9 255 OEM and NVIDIA GeForce GT 630 Rev. 2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cape Verde | GPU Name | GK208 |
| Cape Verde PRX | Model number | GK208-301-A1 |
| GCN 1.0 | Architecture | Kepler 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,500 million | Transistors | 1,020 million |
| 123 mm² | Die Size | 87 mm² |
Graphics Card
| Dec 21st, 2013 | Release Date | May 29th, 2013 |
| Volcanic Islands (R9 200) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Sea Islands | Predecessor | GeForce 500 |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x8 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 64 bit |
| 73.60 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 14.88 GPixel/s | Pixel fillrate | 7.216 GPixel/s |
| 29.76 GTexel/s | Texture fillrate | 28.86 GTexel/s |
| 952.3 GFLOPS | FP32 (float) performance | 692.7 GFLOPS |
| 59.52 GFLOPS (1:16) | FP64 (double) performance | 28.86 GFLOPS (1:24) |
Clock Speeds
| 1150 MHz 4.6 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 512 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 16 | ROPs | 8 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 65 W | Thermal design power (TDP) | 25 W |
| 250 W | Suggested PSU | 200 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x VGA |
| 1x 6-pin | Power Connectors | None |
| C750 | Board Number | P2132 |
API support
| 12 (11_1) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |