Home GPU Comparison AMD Radeon R9 M485X vs AMD Radeon Pro 580

AMD Radeon R9 M485X vs AMD Radeon Pro 580

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 8GB VRAM Radeon Pro 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages
Released 1 years and 1 months late
Boost Clock1200MHz
Larger VRAM bandwidth (217.0GB/s vs 160.0GB/s)
256 additional rendering cores
Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 M485X
2.961 TFLOPS
Radeon Pro 580 +86%
5.53 TFLOPS
VS

Graphics Card

May 2016
Release Date
Jun 2017
Crystal System
Generation
Radeon Pro Mac
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1100 MHz
-
Boost Clock
1200 MHz
1250 MHz
Memory Clock
1695 MHz

Memory

8GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
217.0GB/s

Render Config

32
Compute Units
36
-
-
-
2048
Shading Units
2304
128
TMUs
144
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

23.14 GPixel/s
Pixel Rate
38.40 GPixel/s
92.54 GTexel/s
Texture Rate
172.8 GTexel/s
2.961 TFLOPS
FP16 (half)
5.530 TFLOPS
2.961 TFLOPS
FP32 (float)
5.530 TFLOPS
185.1 GFLOPS
FP64 (double)
345.6 GFLOPS

Board Design

250W
TDP
185W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Amethyst
GPU Name
Ellesmere
Amethyst XT
GPU Variant
Ellesmere XTA (216-0886220)
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

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
6.4

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