AMD Radeon RX 580X Mobile vs AMD Radeon RX 6300M

VS

AMD Radeon RX 580X Mobile

AMD Radeon RX 6300M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile 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 RX 580X Mobile 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1536 additional rendering cores

AMD Radeon RX 6300M 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 123% (2400MHz vs 1077MHz)

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +34%

4.963 TFLOPS

Radeon RX 6300M

3.686 TFLOPS

Radeon RX 580X Mobile

VS

Radeon RX 6300M

Graphics Card

Apr 2018

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

1000 MHz

Base Clock

2000 MHz

1077 MHz

Boost Clock

2400 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

32bit

256.0GB/s

Bandwidth

72.00GB/s

Render Config

36

Compute Units

12

-

2304

Shading Units

768

144

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

76.80 GPixel/s

155.1 GTexel/s

Texture Rate

115.2 GTexel/s

4.963 TFLOPS

FP16 (half)

7.373 TFLOPS

4.963 TFLOPS

FP32 (float)

3.686 TFLOPS

310.2 GFLOPS

FP64 (double)

230.4 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Navi 24

Polaris 20M XT

GPU Variant

Navi 24 XML

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

5.7 billion

Transistors

5.4 billion

232 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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