AMD Radeon HD 8970M vs AMD Radeon RX 580X Mobile

VS

AMD Radeon HD 8970M AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M 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 4 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 HD 8970M

2.304 TFLOPS

Radeon RX 580X Mobile +115%

4.963 TFLOPS

Radeon HD 8970M

VS

Radeon RX 580X Mobile

Graphics Card

May 2013

Release Date

Apr 2018

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

1000 MHz

900 MHz

Boost Clock

1077 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

20

Compute Units

36

1280

Shading Units

2304

80

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

28.80 GPixel/s

Pixel Rate

34.46 GPixel/s

72.00 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

2.304 TFLOPS

FP32 (float)

4.963 TFLOPS

144.0 GFLOPS

FP64 (double)

310.2 GFLOPS

Graphics Processor

Neptune

GPU Name

Polaris 20

Neptune XT (216-0847000)

GPU Variant

Polaris 20M XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Board Design

100W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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