GeForce GTX 780 6 GB vs ATI Radeon X1950 XT
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | R500 (2005−2007) | Kepler (2012−2018) |
| GPU code name | R580+ | GK110B |
| Market segment | Desktop | Desktop |
| Release date | 17 October 2006 (18 years ago) | 10 September 2013 (11 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | no data | 2304 |
| Core clock speed | 625 MHz | 863 MHz |
| Boost clock speed | no data | 902 MHz |
| Number of transistors | 384 million | 7,080 million |
| Manufacturing process technology | 90 nm | 28 nm |
| Power consumption (TDP) | 96 Watt | 250 Watt |
| Texture fill rate | 10.00 | 173.2 |
| Floating-point processing power | no data | 4.156 TFLOPS |
| ROPs | 16 | 48 |
| TMUs | 16 | 192 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 1.0 x16 | PCIe 3.0 x16 |
| Length | no data | 267 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin | 1x 6-pin + 1x 8-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR3 | GDDR5 |
| Maximum RAM amount | 256 MB | 6 GB |
| Memory bus width | 256 Bit | 384 Bit |
| Memory clock speed | 900 MHz | 1502 MHz |
| Memory bandwidth | 57.6 GB/s | 288.4 GB/s |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 2x DVI, 1x S-Video | 2x DVI, 1x HDMI, 1x DisplayPort |
| HDMI | - | + |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 (11_1) |
| Shader Model | 3.0 | 5.1 |
| OpenGL | 2.0 | 4.6 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | - | 3.5 |
Pros & cons summary
| Recency | 17 October 2006 | 10 September 2013 |
| Maximum RAM amount | 256 MB | 6 GB |
| Chip lithography | 90 nm | 28 nm |
| Power consumption (TDP) | 96 Watt | 250 Watt |
ATI X1950 XT has 160.4% lower power consumption.
GTX 780 6 GB, on the other hand, has an age advantage of 6 years, a 2300% higher maximum VRAM amount, and a 221.4% more advanced lithography process.
We couldn't decide between Radeon X1950 XT and GeForce GTX 780 6 GB. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
