NVIDIA GeForce GTX 550 Ti vs NVIDIA GeForce GTX 555 OEM
Graphics Processor
| GPU model | GF116 | GF114 |
|---|---|---|
| GPU variant | GF116-400-A1 | GF114-200-KB-A1 |
| Architecture | Fermi 2.0 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 1,170 million | 1,950 million |
| Die size | 238 mm² | 332 mm² |
Graphics Card
| Release date | Mar 15th, 2011 | May 14th, 2011 |
|---|---|---|
| Generation | GeForce 500 | GeForce 500 |
| Production | End-of-life | End-of-life |
| Launch price | 149 USD | — |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 62 in our database | — |
| Predecessor | GeForce 400 | GeForce 400 |
| Successor | GeForce 600 | GeForce 600 |
Clocks
| GPU clock | 900 MHz | 736 MHz |
|---|---|---|
| Shader clock | 1800 MHz | 1472 MHz |
| Memory clock | 1026 MHz 4.1 Gbps effective | 957 MHz 3.8 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 192 bit | 192 bit |
| Bandwidth | 98.50 GB/s | 91.87 GB/s |
Render Configuration
| Shading units | 192 | 288 |
|---|---|---|
| TMUs | 32 | 48 |
| ROPs | 24 | 24 |
| SM count | 4 | 6 |
| Cache L1 | 64 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 384 KB | 384 KB |
Performance
| Pixel rate | 7.200 GPixel/s | 8.832 GPixel/s |
|---|---|---|
| Texture rate | 28.80 GTexel/s | 35.33 GTexel/s |
| FP32 (float) performance | 691.2 GFLOPS | 847.9 GFLOPS |
| FP64 (double) performance | 57.60 GFLOPS (1:12) | 70.66 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 210 mm 8.3 inches | 210 mm 8.3 inches |
| TDP | 116 W | 150 W |
| Suggested PSU | 300 W | 450 W |
| Outputs | 2x DVI1x mini-HDMI | 2x DVI1x mini-HDMI |
| Power connectors | 1x 6-pin | 2x 6-pin |
| Board number | P1050 | P1041 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 2.1 |
| Shader model | 5.1 | 5.1 |
