AMD Radeon Pro Vega 20 vs AMD Radeon R9 M385X

VS

AMD Radeon Pro Vega 20 AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 4GB VRAM Radeon R9 M385X 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 Pro Vega 20 +66%

3.284 TFLOPS

Radeon R9 M385X

1.971 TFLOPS

Radeon Pro Vega 20

VS

Radeon R9 M385X

Graphics Card

Nov 2018

Release Date

May 2015

Radeon Pro Mac

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

815 MHz

Base Clock

1000 MHz

1283 MHz

Boost Clock

1100 MHz

740 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

20

Compute Units

14

1280

Shading Units

896

80

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

17.60 GPixel/s

102.6 GTexel/s

Texture Rate

61.60 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

1.971 TFLOPS

205.3 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

Vega 12

GPU Name

Strato

Vega 12 XTA

GPU Variant

Strato XT

GCN 5.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

Unknown

Die Size

160 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.3

Shader Model

6.5

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