AMD Radeon Pro 580X vs AMD Radeon R7 M340

VS

AMD Radeon Pro 580X

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 1024MB VRAM Radeon R7 M340 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 3 months late

Boost Clock has increased by 68% (1200MHz vs 715MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (218.9GB/s vs 16.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 580X +907%

5.53 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon Pro 580X

VS

Radeon R7 M340

Graphics Card

Mar 2019

Release Date

Dec 2015

Radeon Pro Mac

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

620 MHz

1200 MHz

Boost Clock

715 MHz

1710 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

218.9GB/s

Bandwidth

16.00GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

5.720 GPixel/s

172.8 GTexel/s

Texture Rate

17.16 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

549.1 GFLOPS

345.6 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

185W

TDP

Unknown

-

2x HDMI 2.0b

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Opal

Ellesmere XTA (216-0886220)

GPU Variant

Opal PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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