AMD Radeon RX 550X Mobile vs AMD Radeon Pro Vega 20

VS

AMD Radeon RX 550X Mobile AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile 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 RX 550X Mobile 's Advantages

Lower TDP (50W vs 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 7 months late

Boost Clock has increased by 9% (1283MHz vs 1176MHz)

More VRAM (4GB vs 2GB)

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon Pro Vega 20 +118%

3.284 TFLOPS

Radeon RX 550X Mobile

VS

Radeon Pro Vega 20

Graphics Card

Apr 2018

Release Date

Nov 2018

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

815 MHz

1176 MHz

Boost Clock

1283 MHz

1500 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

64bit

Memory Bus

1024bit

48.00GB/s

Bandwidth

189.4GB/s

Render Config

-

SM Count

-

10

Compute Units

20

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

41.06 GPixel/s

47.04 GTexel/s

Texture Rate

102.6 GTexel/s

1.505 TFLOPS

FP16 (half)

6.569 TFLOPS

1.505 TFLOPS

FP32 (float)

3.284 TFLOPS

94.08 GFLOPS

FP64 (double)

205.3 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Vega 12

Polaris 23 MXT

GPU Variant

Vega 12 XTA

GCN 4.0

Architecture

GCN 5.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

Unknown

103 mm²

Die Size

Unknown

Board Design

50W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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