AMD Radeon Pro 575X vs AMD Radeon Pro 555

VS

AMD Radeon Pro 575X

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 575X and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 575X 's Advantages

Released 1 years and 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.6GB/s vs 81.60GB/s)

1280 additional rendering cores

AMD Radeon Pro 555 's Advantages

Lower TDP (75W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Pro 575X +243%

4.489 TFLOPS

Radeon Pro 555

1.306 TFLOPS

Radeon Pro 575X

VS

Radeon Pro 555

Graphics Card

Mar 2019

Release Date

Jun 2017

Radeon Pro Mac

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1700 MHz

Memory Clock

1275 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

217.6GB/s

Bandwidth

81.60GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

35.07 GPixel/s

Pixel Rate

13.60 GPixel/s

140.3 GTexel/s

Texture Rate

40.80 GTexel/s

4.489 TFLOPS

FP16 (half)

1306 GFLOPS

4.489 TFLOPS

FP32 (float)

1306 GFLOPS

280.6 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

150W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Polaris 21

Polaris 20 XL (215-0910052)

GPU Variant

Polaris 21 PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

3 billion

232 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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