AMD Radeon RX 580 Mobile vs AMD Radeon Pro 450

VS

AMD Radeon RX 580 Mobile

AMD Radeon Pro 450

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 2GB VRAM Radeon Pro 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 6 months late

Boost Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 81.28GB/s)

1664 additional rendering cores

AMD Radeon Pro 450 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +384%

4.963 TFLOPS

Radeon Pro 450

1.024 TFLOPS

Radeon RX 580 Mobile

VS

Radeon Pro 450

Graphics Card

Apr 2017

Release Date

Oct 2016

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

1270 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

81.28GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

12.80 GPixel/s

155.1 GTexel/s

Texture Rate

32.00 GTexel/s

4.963 TFLOPS

FP16 (half)

1024 GFLOPS

4.963 TFLOPS

FP32 (float)

1024 GFLOPS

310.2 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Baffin

Polaris 20M XT

GPU Variant

Baffin LE

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

3 billion

232 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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