AMD Radeon RX 6450M vs AMD Radeon Pro 580X

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 8GB VRAM Radeon Pro 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 105% (2460MHz vs 1200MHz)

Lower TDP (50W vs 185W)

AMD Radeon Pro 580X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (218.9GB/s vs 128.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

Radeon Pro 580X +46%

5.53 TFLOPS

Radeon RX 6450M

VS

Radeon Pro 580X

Graphics Card

Jan 2023

Release Date

Mar 2019

Navi Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

1100 MHz

2460 MHz

Boost Clock

1200 MHz

2000 MHz

Memory Clock

1710 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

218.9GB/s

Render Config

-

SM Count

-

12

Compute Units

36

768

Shading Units

2304

48

TMUs

144

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

38.40 GPixel/s

118.1 GTexel/s

Texture Rate

172.8 GTexel/s

7.557 TFLOPS

FP16 (half)

5.530 TFLOPS

3.779 TFLOPS

FP32 (float)

5.530 TFLOPS

236.2 GFLOPS

FP64 (double)

345.6 GFLOPS

Graphics Processor

Navi 24

GPU Name

Ellesmere

Navi 24 XML

GPU Variant

Ellesmere XTA (216-0886220)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

5.4 billion

Transistors

5.7 billion

107 mm²

Die Size

232 mm²

Board Design

50W

TDP

185W

-

Suggested PSU

-

Portable Device Dependent

Outputs

2x HDMI 2.0b

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.4

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