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AMD Radeon R9 M485X
- Graphics Processor
- Amethyst
- Cores
- 2048
- TMUs
- 128
- ROPs
- 32
- Memory Size
- 8 GB
- Memory Type
- GDDR5
- Bus Width
- 256 bit
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon R9 M485X was a mobile graphics chip by AMD, launched on May 15th, 2016. Built on the 28 nm process, and based on the Amethyst graphics processor, in its Amethyst XT variant, the chip supports DirectX 12. This ensures that all modern games will run on Radeon R9 M485X. The Amethyst graphics processor is a large chip with a die area of 366 mm² and 5,000 million transistors. It features 2048 shading units, 128 texture mapping units, and 32 ROPs. AMD has paired 8 GB GDDR5 memory with the Radeon R9 M485X, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 723 MHz, memory is running at 1250 MHz (5 Gbps effective).
Being a mxm module card, the AMD Radeon R9 M485X does not require any additional power connector, its power draw is rated at 250 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device.
Being a mxm module card, the AMD Radeon R9 M485X does not require any additional power connector, its power draw is rated at 250 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device.
Graphics Processor
Mobile Graphics
- Release Date
- May 15th, 2016
- Generation
-
Crystal System
(R9 M400)
- Predecessor
- Solar System
- Successor
- Mobility Radeon
- Production
- End-of-life
- Bus Interface
- MXM-B (3.0)
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- GPU Clock
- 723 MHz
- Memory Clock
-
1250 MHz
5 Gbps effective
Memory
- Memory Size
- 8 GB
- Memory Type
- GDDR5
- Memory Bus
- 256 bit
- Bandwidth
- 160.0 GB/s
Render Config
- Shading Units
- 2048
- TMUs
- 128
- ROPs
- 32
- Compute Units
- 32
- L1 Cache
- 16 KB (per CU)
- L2 Cache
- 512 KB
Theoretical Performance
- Pixel Rate
- 23.14 GPixel/s
- Texture Rate
- 92.54 GTexel/s
- FP16 (half) performance
- 2.961 TFLOPS (1:1)
- FP32 (float) performance
- 2.961 TFLOPS
- FP64 (double) performance
- 185.1 GFLOPS (1:16)
Board Design
- Slot Width
- MXM Module
- TDP
- 250 W
- Outputs
- No outputs
- Power Connectors
- None
Graphics Features
- DirectX
- 12 (12_0)
- OpenGL
- 4.6
- OpenCL
- 2.0
- Vulkan
- 1.2
- Shader Model
- 6.3
Amethyst GPU Notes
| Architecture Codename: Volcanic Islands Chip Variant: Tonga CLRX Version: GCN 1.2 Graphics/Compute: GFX8 (gfx802) Display Core Engine: 10.0 Unified Video Decoder: 5.0 Video Compression Engine: 3.0 |
May 27th, 2022 01:38 EDT
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