Radeon R9 280X2 vs Sky 500
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 454 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.76 | no data |
| Architecture | GCN 1.0 (2012−2020) | GCN 1.0 (2012−2020) |
| GPU code name | Pitcairn | Tahiti |
| Market segment | Workstation | Desktop |
| Release date | 27 March 2013 (12 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 | 1280 | 2048 ×2 |
| Core clock speed | 950 MHz | 950 MHz |
| Boost clock speed | no data | 1000 MHz |
| Number of transistors | 2,800 million | 4,313 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 150 Watt | 375 Watt |
| Texture fill rate | 76.00 | 128.0 ×2 |
| Floating-point processing power | 2.432 TFLOPS | 4.096 TFLOPS ×2 |
| ROPs | 32 | 32 ×2 |
| TMUs | 80 | 128 ×2 |
| L1 Cache | 320 KB | 512 KB |
| L2 Cache | 512 KB | 768 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).
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | 242 mm | 315 mm |
| Width | 1-slot | 2-slot |
| Form factor | full height / full length | no data |
| Supplementary power connectors | 1x 6-pin | 3x 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 | 4 GB | 3 GB ×2 |
| Memory bus width | 256 Bit | 384 Bit ×2 |
| Memory clock speed | 1200 MHz | 1500 MHz |
| Memory bandwidth | 154 GB/s | 288.0 GB/s ×2 |
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 DisplayPort | 6x mini-DisplayPort 1.2 |
| DisplayPort count | 1 | no data |
| Dual-link DVI support | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 (11_1) |
| Shader Model | 5.1 | 6.5 (5.1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 (1.2) |
| Vulkan | 1.2.131 | 1.2.170 |
Pros & cons summary
| Maximum RAM amount | 4 GB | 3 GB |
| Power consumption (TDP) | 150 Watt | 375 Watt |
Sky 500 has a 33.3% higher maximum VRAM amount, and 150% lower power consumption.
We couldn't decide between Radeon Sky 500 and Radeon R9 280X2. We've got no test results to judge.
Be aware that Radeon Sky 500 is a workstation graphics card while Radeon R9 280X2 is a desktop one.
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