AMD Radeon Pro 580X vs AMD Radeon E8870

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 3 years and 6 months late

Boost Clock1200MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (218.9GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon E8870 's Advantages

Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +260%

5.53 TFLOPS

Radeon E8870

1.536 TFLOPS

Radeon Pro 580X

VS

Radeon E8870

Graphics Card

Mar 2019

Release Date

Sep 2015

Radeon Pro Mac

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1710 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

218.9GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

36

Compute Units

12

2304

Shading Units

768

144

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

38.40 GPixel/s

Pixel Rate

16.00 GPixel/s

172.8 GTexel/s

Texture Rate

48.00 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

1.536 TFLOPS

345.6 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Saturn

Ellesmere XTA (216-0886220)

GPU Variant

Saturn PRO

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.08 billion

232 mm²

Die Size

160 mm²

Board Design

185W

TDP

75W

-

Suggested PSU

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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