Radeon Pro Duo Polaris vs HD 6990M Crossfire
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 522 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Terascale 2 (2009−2015) | GCN 4.0 (2016−2020) |
| GPU code name | Blackcomb XTX | Ellesmere |
| Market segment | Laptop | Workstation |
| Release date | 12 July 2011 (14 years ago) | 24 April 2017 (8 years ago) |
| Launch price (MSRP) | no data | $999 |
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 | 2240 | 2304 ×2 |
| Core clock speed | 715 MHz | 1243 MHz |
| Number of transistors | 2x1700 Million | 5,700 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Power consumption (TDP) | no data | 250 Watt |
| Texture fill rate | no data | 179.0 ×2 |
| Floating-point processing power | no data | 5.728 TFLOPS ×2 |
| ROPs | no data | 32 ×2 |
| TMUs | no data | 144 ×2 |
| L1 Cache | no data | 576 KB |
| L2 Cache | no data | 2 MB |
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).
| Laptop size | large | no data |
| Interface | no data | PCIe 3.0 x16 |
| Length | no data | 305 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 2x2 GB | 16 GB ×2 |
| Memory bus width | 256 Bit | 256 Bit ×2 |
| Memory clock speed | 900 MHz | 1750 MHz |
| Memory bandwidth | no data | 224.0 GB/s ×2 |
| Shared memory | - | - |
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 | no data | 1x HDMI 2.0b, 3x DisplayPort 1.4a |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 12 (12_0) |
| Shader Model | no data | 6.7 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | - | 1.3 |
Pros & cons summary
| Recency | 12 July 2011 | 24 April 2017 |
| Chip lithography | 40 nm | 14 nm |
Pro Duo Polaris has an age advantage of 5 years, and a 186% more advanced lithography process.
We couldn't decide between Radeon HD 6990M Crossfire and Radeon Pro Duo Polaris. We've got no test results to judge.
Be aware that Radeon HD 6990M Crossfire is a notebook graphics card while Radeon Pro Duo Polaris is a workstation one.
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