NVIDIA GeForce 945A vs NVIDIA GeForce GTX 560 Ti OEM
Graphics Processor
| GPU model | GM108 | GF110 |
|---|---|---|
| Architecture | Maxwell | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | unknown | 3,000 million |
| Die size | unknown | 520 mm² |
Mobile graphics
| Release date | Mar 13th, 2015 | — |
|---|---|---|
| Generation | GeForce 900A | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | GeForce 800A | — |
Clocks
| Base clock | 1006 MHz | — |
|---|---|---|
| Boost clock | 1189 MHz | — |
| Memory clock | 1253 MHz 5 Gbps effective | 950 MHz 3.8 Gbps effective |
| GPU clock | — | 732 MHz |
| Shader clock | — | 1464 MHz |
Memory Configuration
| Memory size | 1024 MB | 1280 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 40.10 GB/s | 121.6 GB/s |
Render Configuration
| Shading units | 384 | 352 |
|---|---|---|
| TMUs | 24 | 44 |
| ROPs | 8 | 40 |
| SMM count | 3 | — |
| Cache L1 | 64 KB (per SMM) | 64 KB (per SM) |
| Cache L2 | 1024 KB | 512 KB |
| SM count | — | 11 |
Performance
| Pixel rate | 9.512 GPixel/s | 16.10 GPixel/s |
|---|---|---|
| Texture rate | 28.54 GTexel/s | 32.21 GTexel/s |
| FP32 (float) performance | 913.2 GFLOPS | 1,031 GFLOPS |
| FP64 (double) performance | 28.54 GFLOPS (1:32) | 128.8 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | MXM Module | Dual-slot |
|---|---|---|
| TDP | 33 W | 210 W |
| Outputs | No outputs | 2x DVI1x HDMI1x DisplayPort |
| Length | — | 229 mm 9 inches |
| Suggested PSU | — | 550 W |
| Power connectors | — | 2x 6-pin |
| Board number | — | P1263 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 5.0 | 2.0 |
| Shader model | 5.1 | 5.1 |
Other Features
Graphics Card
| Release date | — | Mar 30th, 2011 |
|---|---|---|
| Generation | — | GeForce 500 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 122 in our database |
| Predecessor | — | GeForce 400 |
| Successor | — | GeForce 600 |
