AMD Radeon Pro 555X vs AMD Radeon RX 6300M

VS

AMD Radeon Pro 555X

AMD Radeon RX 6300M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM Radeon RX 6300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 72.00GB/s)

AMD Radeon RX 6300M 's Advantages

Released 3 years and 6 months late

Boost Clock2400MHz

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

Radeon RX 6300M +164%

3.686 TFLOPS

Radeon Pro 555X

VS

Radeon RX 6300M

Graphics Card

Jul 2018

Release Date

Jan 2022

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2400 MHz

1470 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

32bit

94.08GB/s

Bandwidth

72.00GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

768

48

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

14.51 GPixel/s

Pixel Rate

76.80 GPixel/s

43.54 GTexel/s

Texture Rate

115.2 GTexel/s

1393 GFLOPS

FP16 (half)

7.373 TFLOPS

1393 GFLOPS

FP32 (float)

3.686 TFLOPS

87.07 GFLOPS

FP64 (double)

230.4 GFLOPS

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

Navi 24

Polaris 21 PRO

GPU Variant

Navi 24 XML

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

3 billion

Transistors

5.4 billion

123 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.6

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