AMD
Radeon R9 390X
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Hardware Profile
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Overview
The Radeon R9 390X is AMD's flagship GCN 3 card from 2015, based on the fully-enabled Hawaii XT die and succeeding the R9 290X. At launch it was AMD's fastest single-GPU consumer card, trading blows with NVIDIA's GeForce GTX 980 Ti in several workloads.
It pairs the full 2816-shader Hawaii die with 8GB of GDDR5 on a 512-bit memory bus, matching the R9 390's generous VRAM allocation while adding more compute throughput. The TDP is approximately 275W with two 8-pin connectors. GCN 3 brings DirectX 12 and AMD FreeSync support; hardware ray tracing and AI acceleration were not part of this architecture generation.
The R9 390X is built for demanding 1440p gaming and capable 4K at medium settings. It attracted enthusiasts who wanted AMD's highest rasterization performance in 2015 and the large 8GB memory buffer for texture-heavy games and multi-monitor setups.
Technical Specifications
Architecture & Cores
- Architecture
- GCN 2.0
- Process Node
- TSMC 28nm
- Stream Processors
- 2,816
Clock Speeds
- Base Clock
- 1,050 MHz
- Boost Clock
- 1,050 MHz
Memory
- VRAM Capacity
- 8 GB
- Memory Type
- GDDR5
- Memory Bus
- 512-bit
- Memory Speed
- 6 Gbps
- Bandwidth
- 384 GB/s
Connectivity & Power
- Interface
- PCIe 3.0 x16
- TDP
- 275 W
- Power Connectors
- 1x 6-pin + 1x 8-pin
- Released
- Jun 1, 2015