AMD Radeon RX 580 Mobile vs AMD Radeon HD 8970M

VS

AMD Radeon RX 580 Mobile

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 4GB VRAM Radeon HD 8970M 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 3 years and 11 months late

Boost Clock has increased by 20% (1077MHz vs 900MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 153.6GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +115%

4.963 TFLOPS

Radeon HD 8970M

2.304 TFLOPS

Radeon RX 580 Mobile

VS

Radeon HD 8970M

Graphics Card

Apr 2017

Release Date

May 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

850 MHz

1077 MHz

Boost Clock

900 MHz

2000 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

153.6GB/s

Render Config

36

Compute Units

20

-

2304

Shading Units

1280

144

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

28.80 GPixel/s

155.1 GTexel/s

Texture Rate

72.00 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

2.304 TFLOPS

310.2 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Neptune

Polaris 20M XT

GPU Variant

Neptune XT (216-0847000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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