NVIDIA GeForce GTX 550 Ti vs NVIDIA GeForce GTX 650 Ti
Graphics Processor
| GPU model | GF116 | GK106 |
|---|---|---|
| GPU variant | GF116-400-A1 | GK106-220-A1 |
| Architecture | Fermi 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 1,170 million | 2,540 million |
| Die size | 238 mm² | 221 mm² |
Graphics Card
| Release date | Mar 15th, 2011 | Oct 9th, 2012 |
|---|---|---|
| Generation | GeForce 500 | GeForce 600 |
| Production | End-of-life | End-of-life |
| Launch price | 149 USD | 149 USD |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Reviews | 62 in our database | 62 in our database |
| Predecessor | GeForce 400 | GeForce 500 |
| Successor | GeForce 600 | GeForce 700 |
Clocks
| GPU clock | 900 MHz | 928 MHz |
|---|---|---|
| Shader clock | 1800 MHz | — |
| Memory clock | 1026 MHz 4.1 Gbps effective | 1350 MHz 5.4 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 192 bit | 128 bit |
| Bandwidth | 98.50 GB/s | 86.40 GB/s |
Render Configuration
| Shading units | 192 | 768 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 24 | 16 |
| SM count | 4 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 384 KB | 256 KB |
| SMX count | — | 4 |
Performance
| Pixel rate | 7.200 GPixel/s | 14.85 GPixel/s |
|---|---|---|
| Texture rate | 28.80 GTexel/s | 59.39 GTexel/s |
| FP32 (float) performance | 691.2 GFLOPS | 1,425 GFLOPS |
| FP64 (double) performance | 57.60 GFLOPS (1:12) | 59.39 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 210 mm 8.3 inches | 145 mm 5.7 inches |
| TDP | 116 W | 110 W |
| Suggested PSU | 300 W | 300 W |
| Outputs | 2x DVI1x mini-HDMI | 2x DVI1x mini-HDMI |
| Power connectors | 1x 6-pin | 1x 6-pin |
| Board number | P1050 | P2010 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 3.0 |
| Shader model | 5.1 | 5.1 |
