NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 780
Graphics Processor
| GPU model | GF100 | GK110 |
|---|---|---|
| GPU variant | GF100-375-A3 | GK110-300-A1 |
| Architecture | Fermi | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 3,100 million | 7,080 million |
| Die size | 529 mm² | 561 mm² |
Graphics Card
| Release date | Never Released | May 23rd, 2013 |
|---|---|---|
| Generation | GeForce 400 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Predecessor | GeForce 200 | GeForce 600 |
| Successor | GeForce 500 | GeForce 900 |
| Launch price | — | 649 USD |
| Reviews | — | 155 in our database |
Clocks
| GPU clock | 608 MHz | — |
|---|---|---|
| Shader clock | 1215 MHz | — |
| Memory clock | 854 MHz 3.4 Gbps effective | 1502 MHz 6 Gbps effective |
| Base clock | — | 863 MHz |
| Boost clock | — | 902 MHz |
Memory Configuration
| Memory size | 1536 MB | 3 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 384 bit |
| Bandwidth | 164.0 GB/s | 288.4 GB/s |
Render Configuration
| Shading units | 480 | 2304 |
|---|---|---|
| TMUs | 60 | 192 |
| ROPs | 48 | 48 |
| SM count | 15 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 768 KB | 1536 KB |
| SMX count | — | 12 |
Performance
| Pixel rate | 18.24 GPixel/s | 43.30 GPixel/s |
|---|---|---|
| Texture rate | 36.48 GTexel/s | 173.2 GTexel/s |
| FP32 (float) performance | 1,166 GFLOPS | 4.156 TFLOPS |
| FP64 (double) performance | 145.8 GFLOPS (1:8) | 173.2 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 279 mm 11 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | 111 mm 4.4 inches |
| Height | 38 mm 1.5 inches | 38 mm 1.5 inches |
| TDP | 365 W | 250 W |
| Suggested PSU | 750 W | 600 W |
| Outputs | 3x DVI1x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 2x 8-pin | 1x 6-pin + 1x 8-pin |
| Board number | — | P2083 SKU 20 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.0 | 3.5 |
| Shader model | 5.1 | 5.1 |
