ATI Radeon X1550 PCI vs GeForce 7900 GS
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1186 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.01 | no data |
| Power efficiency | 0.94 | no data |
| Architecture | Curie (2003−2013) | Ultra-Threaded SE (2005−2007) |
| GPU code name | G71 | RV516 |
| Market segment | Desktop | Desktop |
| Release date | 1 May 2006 (18 years ago) | 2007 (17 years ago) |
| Launch price (MSRP) | $259 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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.
| Core clock speed | 450 MHz | 452 MHz |
| Number of transistors | 278 million | 105 million |
| Manufacturing process technology | 90 nm | 90 nm |
| Power consumption (TDP) | 49 Watt | 27 Watt |
| Texture fill rate | 9.000 | 1.808 |
| ROPs | 16 | 4 |
| TMUs | 20 | 4 |
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 | PCI |
| Length | 198 mm | no data |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | 1x 6-pin | None |
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 | DDR2 |
| Maximum RAM amount | 256 MB | 256 MB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 660 MHz | 532 MBps |
| Memory bandwidth | 42.24 GB/s | 4.256 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 | 1x DVI, 1x VGA, 1x S-Video |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 9.0c (9_3) |
| Shader Model | 3.0 | 3.0 |
| OpenGL | 2.1 | 2.1 |
| OpenCL | N/A | N/A |
| Vulkan | N/A | N/A |
Pros & cons summary
| Power consumption (TDP) | 49 Watt | 27 Watt |
ATI X1550 PCI has 81.5% lower power consumption.
We couldn't decide between GeForce 7900 GS and Radeon X1550 PCI. 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.
