Quadro4 900 XGL vs GeForce 7900 GX2
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 | Curie (2003−2013) | Kelvin (2001−2003) |
| GPU code name | G71 | NV25 A2 |
| Market segment | Desktop | Workstation |
| Release date | 30 April 2006 (18 years ago) | 19 February 2002 (22 years ago) |
| Launch price (MSRP) | $599 | no data |
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 | 500 MHz | 300 MHz |
| Number of transistors | 278 million | 63 million |
| Manufacturing process technology | 90 nm | 150 nm |
| Texture fill rate | 12.00 | 2.400 |
| ROPs | 16 | 8 |
| TMUs | 24 | 8 |
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 | AGP 4x |
| Length | 312 mm | no data |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | 2x 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 | DDR |
| Maximum RAM amount | 512 MB | 128 MB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 600 MHz | 325 MHz |
| Memory bandwidth | 38.4 GB/s | 10.4 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 S-Video |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 8.1 |
| Shader Model | 3.0 | no data |
| OpenGL | 2.1 | 1.3 |
| OpenCL | N/A | N/A |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 30 April 2006 | 19 February 2002 |
| Maximum RAM amount | 512 MB | 128 MB |
| Chip lithography | 90 nm | 150 nm |
7900 GX2 has an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 66.7% more advanced lithography process.
We couldn't decide between GeForce 7900 GX2 and Quadro4 900 XGL. We've got no test results to judge.
Be aware that GeForce 7900 GX2 is a desktop card while Quadro4 900 XGL is a workstation one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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