NVIDIA GeForce GTS 450 vs NVIDIA GeForce GTX 275
Graphics Processor
| GPU model | GF106 | GT200B |
|---|---|---|
| GPU variant | GF106-250-KA-A1 | G200-105-B3 |
| Architecture | Fermi | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 55 nm |
| Number of transistors | 1,170 million | 1,400 million |
| Die size | 238 mm² | 470 mm² |
Graphics Card
| Release date | Sep 13th, 2010 | Jan 15th, 2009 |
|---|---|---|
| Generation | GeForce 400 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Launch price | 129 USD | 249 USD |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 80 in our database | 61 in our database |
| Predecessor | GeForce 200 | GeForce 9 |
| Successor | GeForce 500 | GeForce 400 |
Clocks
| GPU clock | 783 MHz | 633 MHz |
|---|---|---|
| Shader clock | 1566 MHz | 1404 MHz |
| Memory clock | 902 MHz 3.6 Gbps effective | 1134 MHz 2.3 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 896 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 128 bit | 448 bit |
| Bandwidth | 57.73 GB/s | 127.0 GB/s |
Render Configuration
| Shading units | 192 | 240 |
|---|---|---|
| TMUs | 32 | 80 |
| ROPs | 16 | 28 |
| SM count | 4 | 30 |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 256 KB | 224 KB |
Performance
| Pixel rate | 6.264 GPixel/s | 17.72 GPixel/s |
|---|---|---|
| Texture rate | 25.06 GTexel/s | 50.64 GTexel/s |
| FP32 (float) performance | 601.3 GFLOPS | 673.9 GFLOPS |
| FP64 (double) performance | 50.11 GFLOPS (1:12) | 84.24 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 210 mm 8.3 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | — |
| TDP | 106 W | 219 W |
| Suggested PSU | 300 W | 550 W |
| Outputs | 2x DVI1x mini-HDMI | 2x DVI |
| Power connectors | 1x 6-pin | 2x 6-pin |
| Board number | P1060 | P897 |
API Support & Features
| DirectX | 12 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 1.3 |
| Shader model | 5.1 | 4.0 |
