AMD Radeon HD 8950M vs AMD Radeon RX 580 Mobile

VS

AMD Radeon HD 8950M

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 8GB VRAM Radeon RX 580 Mobile 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 Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 88.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8950M

1.651 TFLOPS

Radeon RX 580 Mobile +200%

4.963 TFLOPS

Radeon HD 8950M

VS

Radeon RX 580 Mobile

Graphics Card

May 2013

Release Date

Apr 2017

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

88.00GB/s

Bandwidth

256.0GB/s

Render Config

12

Compute Units

36

-

768

Shading Units

2304

48

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

34.46 GPixel/s

51.60 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

1.651 TFLOPS

FP32 (float)

4.963 TFLOPS

103.2 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Polaris 20

Saturn XT

GPU Variant

Polaris 20M XT

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 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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