AMD Radeon Pro Vega 20 vs AMD Radeon 550X Mobile

VS

AMD Radeon Pro Vega 20

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 4GB VRAM Radeon 550X Mobile 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 7 months late

Larger VRAM bandwidth (189.4GB/s vs 48.00GB/s)

640 additional rendering cores

AMD Radeon 550X Mobile 's Advantages

Boost Clock has increased by 0% (1287MHz vs 1283MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +99%

3.284 TFLOPS

Radeon 550X Mobile

1.647 TFLOPS

Radeon Pro Vega 20

VS

Radeon 550X Mobile

Graphics Card

Nov 2018

Release Date

Apr 2018

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

815 MHz

Base Clock

1100 MHz

1283 MHz

Boost Clock

1287 MHz

740 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

4GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

64bit

189.4GB/s

Bandwidth

48.00GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

20.59 GPixel/s

102.6 GTexel/s

Texture Rate

51.48 GTexel/s

6.569 TFLOPS

FP16 (half)

1.647 TFLOPS

3.284 TFLOPS

FP32 (float)

1.647 TFLOPS

205.3 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Vega 12

GPU Name

Polaris 23

Vega 12 XTA

GPU Variant

Polaris 23 MXT

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

Unknown

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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