AMD Radeon RX 6450M vs AMD Radeon 520 Mobile

VS

AMD Radeon RX 6450M

AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 5 years and 9 months late

Boost Clock2460MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 16.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +473%

3.779 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

Radeon RX 6450M

VS

Radeon 520 Mobile

Graphics Card

Jan 2023

Release Date

Apr 2017

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

-

2460 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

320

48

TMUs

20

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

8.240 GPixel/s

118.1 GTexel/s

Texture Rate

20.60 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

659.2 GFLOPS

236.2 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

50W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Banks

Navi 24 XML

GPU Variant

Banks PRO (216-0568010)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

0.69 billion

107 mm²

Die Size

56 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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