NVIDIA GeForce GTX 770 vs NVIDIA GeForce GTX 780
Graphics Processor
| GPU model | GK104 | GK110 |
|---|---|---|
| GPU variant | GK104-425-A2 | GK110-300-A1 |
| Architecture | Kepler | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 3,540 million | 7,080 million |
| Die size | 294 mm² | 561 mm² |
Graphics Card
| Release date | May 30th, 2013 | May 23rd, 2013 |
|---|---|---|
| Generation | GeForce 700 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch price | 399 USD | 649 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 112 in our database | 155 in our database |
| Predecessor | GeForce 600 | GeForce 600 |
| Successor | GeForce 900 | GeForce 900 |
Clocks
| Base clock | 1046 MHz | 863 MHz |
|---|---|---|
| Boost clock | 1085 MHz | 902 MHz |
| Memory clock | 1753 MHz 7 Gbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 3 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 384 bit |
| Bandwidth | 224.4 GB/s | 288.4 GB/s |
Render Configuration
| Shading units | 1536 | 2304 |
|---|---|---|
| TMUs | 128 | 192 |
| ROPs | 32 | 48 |
| SMX count | 8 | 12 |
| Cache L1 | 16 KB (per SMX) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 1536 KB |
Performance
| Pixel rate | 34.72 GPixel/s | 43.30 GPixel/s |
|---|---|---|
| Texture rate | 138.9 GTexel/s | 173.2 GTexel/s |
| FP32 (float) performance | 3.333 TFLOPS | 4.156 TFLOPS |
| FP64 (double) performance | 138.9 GFLOPS (1:24) | 173.2 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 267 mm 10.5 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 | 230 W | 250 W |
| Suggested PSU | 550 W | 600 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board number | P2005 | P2083 SKU 20 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.0 | 3.5 |
| Shader model | 5.1 | 5.1 |
