ATI Radeon HD 2900 XTX vs GeForce 8800 GT Mac Edition
Contents
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 | Tesla (2006−2010) | TeraScale (2005−2013) |
| GPU code name | G92 | R600 |
| Market segment | Desktop | Desktop |
| Release date | 1 February 2008 (17 years ago) | 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.
| Pipelines / CUDA cores | 112 | 320 |
| Core clock speed | 600 MHz | 743 MHz |
| Number of transistors | 754 million | 720 million |
| Manufacturing process technology | 65 nm | 80 nm |
| Power consumption (TDP) | 125 Watt | 240 Watt |
| Texture fill rate | 33.60 | 11.89 |
| Floating-point processing power | 0.336 TFLOPS | no data |
| ROPs | 16 | 16 |
| TMUs | 56 | 16 |
| L2 Cache | 64 KB | no data |
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 2.0 x16 | PCIe 1.0 x16 |
| Length | 229 mm | 315 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin | 2x 6-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 | GDDR3 |
| Maximum RAM amount | 512 MB | 512 MB |
| Memory bus width | 256 Bit | 512 Bit |
| Memory clock speed | 900 MHz | 1656 MBps |
| Memory bandwidth | 57.6 GB/s | 106.0 GB/s |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI | 2x DVI, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 10.0 (10_0) |
| Shader Model | 4.0 | 4.0 |
| OpenGL | 3.3 | 3.3 (full) 4.0 (partial) |
| OpenCL | 1.1 | N/A |
| Vulkan | N/A | N/A |
| CUDA | 1.1 | - |
Pros & cons summary
| Chip lithography | 65 nm | 80 nm |
| Power consumption (TDP) | 125 Watt | 240 Watt |
8800 GT Mac Edition has a 23.1% more advanced lithography process, and 92% lower power consumption.
We couldn't decide between GeForce 8800 GT Mac Edition and Radeon HD 2900 XTX. We've got no test results to judge.
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