AMD Radeon Pro 580X vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon Pro 580X

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X 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 Pro 580X 's Advantages

Released 10 years and 6 months late

Boost Clock1200MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (218.9GB/s vs 54.40GB/s)

1984 additional rendering cores

ATI Mobility Radeon HD 3870 X2 's Advantages

Lower TDP (110W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +1210%

5.53 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon Pro 580X

VS

Mobility Radeon HD 3870 X2

Graphics Card

Mar 2019

Release Date

Sep 2008

Radeon Pro Mac

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1710 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

218.9GB/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

38.40 GPixel/s

Pixel Rate

10.56 GPixel/s

172.8 GTexel/s

Texture Rate

10.56 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

422.4 GFLOPS

345.6 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

185W

TDP

110W

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

M88

Ellesmere XTA (216-0886220)

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

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