NVIDIA GeForce 7800 GTX 512 vs NVIDIA GeForce GT 720
Graphics Processor
| GPU model | G70 | GK208 |
|---|---|---|
| GPU variant | GF-7800-U-A2 | GK208-320-A1 |
| Architecture | Curie | Kepler 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 110 nm | 28 nm |
| Number of transistors | 302 million | 1,020 million |
| Die size | 333 mm² | 87 mm² |
Graphics Card
| Release date | Nov 14th, 2005 | Mar 27th, 2014 |
|---|---|---|
| Generation | GeForce 7 PCIe | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch price | 649 USD | 49 USD |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x8 |
| Reviews | 206 in our database | — |
| Predecessor | GeForce 6 PCIe | GeForce 600 |
| Successor | GeForce 8 | GeForce 900 |
Clocks
| GPU clock | 500 MHz | 967 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 2 GB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 51.20 GB/s | 14.40 GB/s |
Render Configuration
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 32 |
| ROPs | 16 | 8 |
| Shading units | — | 384 |
| SMX count | — | 2 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 512 KB |
Performance
| Pixel rate | 8.000 GPixel/s | 7.736 GPixel/s |
|---|---|---|
| Vertex rate | 1.000 GVertices/s | — |
| Texture rate | 12.00 GTexel/s | 30.94 GTexel/s |
| FP32 (float) performance | — | 742.7 GFLOPS |
| FP64 (double) performance | — | 30.94 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 228 mm 9 inches | 145 mm 5.7 inches |
| TDP | 108 W | 19 W |
| Suggested PSU | 300 W | 200 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Board number | P348 | P2130 SKU 4 |
| Width | 111 mm 4.4 inches | — |
| Height | 38 mm 1.5 inches | — |
| Power connectors | — | None |
API Support & Features
| DirectX | 9.0c (9_3) | 12 (11_0) |
|---|---|---|
| OpenGL | 2.1 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 3.0 | 5.1 |
| CUDA | — | 3.5 |
