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GPU Comparison
AMD Radeon R9 M485X vs AMD Radeon RX 580X Mobile
AMD Radeon R9 M485X vs AMD Radeon RX 580X Mobile
VS
AMD Radeon R9 M485X
AMD Radeon RX 580X Mobile
We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 8GB VRAM Radeon RX 580X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 580X Mobile 's Advantages
Released 1 years and 11 months late
Boost Clock1077MHz
Larger VRAM bandwidth (256.0GB/s vs 160.0GB/s)
256 additional rendering cores
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M485X
2.961 TFLOPS
Radeon RX 580X Mobile
+67%
4.963 TFLOPS
Radeon R9 M485X
VS
Radeon RX 580X Mobile
Graphics Card
May 2016
Release Date
Apr 2018
Crystal System
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1077 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
32
Compute Units
36
2048
Shading Units
2304
128
TMUs
144
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
34.46 GPixel/s
92.54 GTexel/s
Texture Rate
155.1 GTexel/s
2.961 TFLOPS
FP16 (half)
4.963 TFLOPS
2.961 TFLOPS
FP32 (float)
4.963 TFLOPS
185.1 GFLOPS
FP64 (double)
310.2 GFLOPS
Graphics Processor
Amethyst
GPU Name
Polaris 20
Amethyst XT
GPU Variant
Polaris 20M XT
GCN 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
5 billion
Transistors
5.7 billion
366 mm²
Die Size
232 mm²
Board Design
250W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
6.4
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