NVIDIA GeForce GTX 780 vs NVIDIA GeForce GTX 980
Graphics Processor
| GPU model | GK110 | GM204 |
|---|---|---|
| GPU variant | GK110-300-A1 | GM204-400-A1 |
| Architecture | Kepler | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 7,080 million | 5,200 million |
| Die size | 561 mm² | 398 mm² |
Graphics Card
| Release date | May 23rd, 2013 | Sep 19th, 2014 |
|---|---|---|
| Generation | GeForce 700 | GeForce 900 |
| Production | End-of-life | End-of-life |
| Launch price | 649 USD | 549 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 155 in our database | 146 in our database |
| Predecessor | GeForce 600 | GeForce 700 |
| Successor | GeForce 900 | GeForce 10 |
Clocks
| Base clock | 863 MHz | 1127 MHz |
|---|---|---|
| Boost clock | 902 MHz | 1216 MHz |
| Memory clock | 1502 MHz 6 Gbps effective | 1753 MHz 7 Gbps effective |
Memory Configuration
| Memory size | 3 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 288.4 GB/s | 224.4 GB/s |
Render Configuration
| Shading units | 2304 | 2048 |
|---|---|---|
| TMUs | 192 | 128 |
| ROPs | 48 | 64 |
| SMX count | 12 | — |
| Cache L1 | 16 KB (per SMX) | 48 KB (per SMM) |
| Cache L2 | 1536 KB | 2 MB |
| SMM count | — | 16 |
Performance
| Pixel rate | 43.30 GPixel/s | 77.82 GPixel/s |
|---|---|---|
| Texture rate | 173.2 GTexel/s | 155.6 GTexel/s |
| FP32 (float) performance | 4.156 TFLOPS | 4.981 TFLOPS |
| FP64 (double) performance | 173.2 GFLOPS (1:24) | 155.6 GFLOPS (1:32) |
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 | 40 mm 1.6 inches |
| TDP | 250 W | 165 W |
| Suggested PSU | 600 W | 450 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI3x DisplayPort |
| Power connectors | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board number | P2083 SKU 20 | PG401 |
API Support & Features
| DirectX | 12 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.5 | 5.2 |
| Shader model | 5.1 | 6.4 |
