ATI Radeon HD 2900 GT vs Pro Duo Polaris
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 1243 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 0.36 |
| Architecture | GCN 4.0 (2016−2020) | TeraScale (2005−2013) |
| GPU code name | Ellesmere | R600 |
| Market segment | Workstation | Desktop |
| Release date | 24 April 2017 (9 years ago) | 6 November 2007 (18 years ago) |
| Launch price (MSRP) | $999 | 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 2304 ×2 | 240 |
| Core clock speed | 1243 MHz | 601 MHz |
| Number of transistors | 5,700 million | 720 million |
| Manufacturing process technology | 14 nm | 80 nm |
| Power consumption (TDP) | 250 Watt | 150 Watt |
| Texture fill rate | 179.0 ×2 | 7.212 |
| Floating-point processing power | 5.728 TFLOPS ×2 | 0.2885 TFLOPS |
| ROPs | 32 ×2 | 12 |
| TMUs | 144 ×2 | 12 |
| L1 Cache | 576 KB | no data |
| L2 Cache | 2 MB | 128 KB |
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 3.0 x16 | PCIe 1.0 x16 |
| Length | 305 mm | no data |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin + 1x 8-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 | GDDR5 | GDDR3 |
| Maximum RAM amount | 16 GB ×2 | 256 MB |
| Memory bus width | 256 Bit ×2 | 256 Bit |
| Memory clock speed | 1750 MHz | 800 MHz |
| Memory bandwidth | 224.0 GB/s ×2 | 51.2 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 | 1x HDMI 2.0b, 3x DisplayPort 1.4a | 2x DVI, 1x S-Video |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 10.0 (10_0) |
| Shader Model | 6.7 | 4.0 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | N/A |
| Vulkan | 1.3 | N/A |
Pros & cons summary
| Recency | 24 April 2017 | 6 November 2007 |
| Maximum RAM amount | 16 GB | 256 MB |
| Chip lithography | 14 nm | 80 nm |
| Power consumption (TDP) | 250 Watt | 150 Watt |
Pro Duo Polaris has an age advantage of 9 years, a 6300% higher maximum VRAM amount, and a 471% more advanced lithography process.
ATI HD 2900 GT, on the other hand, has 67% lower power consumption.
We couldn't decide between Radeon Pro Duo Polaris and Radeon HD 2900 GT. We've got no test results to judge.
Be aware that Radeon Pro Duo Polaris is a workstation graphics card while Radeon HD 2900 GT is a desktop one.
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