AMD Radeon RX 580X Mobile vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon RX 580X Mobile

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 512MB VRAM Mobility Radeon HD 3870 X2 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 9 years and 7 months late

Boost Clock1077MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 54.40GB/s)

1984 additional rendering cores

Lower TDP (100W vs 110W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +1076%

4.963 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon RX 580X Mobile

VS

Mobility Radeon HD 3870 X2

Graphics Card

Apr 2018

Release Date

Sep 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

54.40GB/s

Render Config

36

Compute Units

4

-

2304

Shading Units

320

144

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

10.56 GPixel/s

155.1 GTexel/s

Texture Rate

10.56 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

422.4 GFLOPS

310.2 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

100W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

M88

Polaris 20M XT

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.666 billion

232 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon RX 580X Mobile vs ATI Mobility Radeon HD 3470

2

AMD Radeon RX 580X Mobile vs AMD Radeon HD 6750M Mac Edition

3

AMD Radeon RX 580X Mobile vs NVIDIA RTX 4000 Mobile Ada Generation

4

AMD Radeon RX 580X Mobile vs ATI Mobility Radeon HD 5850 Mac Edition

5

AMD Radeon RX 580X Mobile vs AMD Radeon 610 Mobile

6

AMD Radeon RX 580X Mobile vs Intel Arc A350M

7

AMD Radeon RX 580X Mobile vs AMD Radeon HD 6750M

8

AMD Radeon RX 580X Mobile vs AMD Radeon R5 A255

9

AMD Radeon RX 580X Mobile vs NVIDIA RTX 5000 Embedded Ada Generation

10

AMD Radeon RX 580X Mobile vs AMD Radeon HD 7610M

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early