AMD Radeon R9 M385X vs AMD Radeon Pro Vega 20

VS

AMD Radeon R9 M385X

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 17% (1283MHz vs 1100MHz)

Larger VRAM bandwidth (189.4GB/s vs 76.80GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon Pro Vega 20 +66%

3.284 TFLOPS

Radeon R9 M385X

VS

Radeon Pro Vega 20

Graphics Card

May 2015

Release Date

Nov 2018

Gem System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

815 MHz

1100 MHz

Boost Clock

1283 MHz

1200 MHz

Memory Clock

740 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

1024bit

76.80GB/s

Bandwidth

189.4GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

41.06 GPixel/s

61.60 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

1.971 TFLOPS

FP32 (float)

3.284 TFLOPS

123.2 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

Vega 12

Strato XT

GPU Variant

Vega 12 XTA

GCN 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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