AMD Radeon Pro 580X vs AMD Radeon HD 7870M

VS

AMD Radeon Pro 580X

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 6 years and 11 months late

Boost Clock1200MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (218.9GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +440%

5.53 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon Pro 580X

VS

Radeon HD 7870M

Graphics Card

Mar 2019

Release Date

Apr 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1710 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

218.9GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

12.80 GPixel/s

172.8 GTexel/s

Texture Rate

32.00 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

1024 GFLOPS

345.6 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

185W

TDP

45W

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Heathrow

Ellesmere XTA (216-0886220)

GPU Variant

Heathrow XT (216-0835033)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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