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

AMD Radeon Pro 580X vs AMD Radeon R9 M485X

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

Main Differences

AMD Radeon Pro 580X 's Advantages
Released 2 years and 10 months late
Boost Clock1200MHz
Larger VRAM bandwidth (218.9GB/s vs 160.0GB/s)
256 additional rendering cores
Lower TDP (185W vs 250W)

Score

Benchmark

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

Graphics Card

Mar 2019
Release Date
May 2016
Radeon Pro Mac
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

1100 MHz
Base Clock
-
1200 MHz
Boost Clock
-
1710 MHz
Memory Clock
1250 MHz

Memory

8GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
218.9GB/s
Bandwidth
160.0GB/s

Render Config

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

Theoretical Performance

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

Board Design

185W
TDP
250W
-
-
-
2x HDMI 2.0b
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Ellesmere
GPU Name
Amethyst
Ellesmere XTA (216-0886220)
GPU Variant
Amethyst XT
GCN 4.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
5 billion
232 mm²
Die Size
366 mm²

Graphics Features

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

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