AMD Radeon RX 480 Mobile vs AMD Radeon RX 6450M

VS

AMD Radeon RX 480 Mobile

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 480 Mobile and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 Mobile 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 128% (2460MHz vs 1077MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 480 Mobile +31%

4.963 TFLOPS

Radeon RX 6450M

3.779 TFLOPS

Radeon RX 480 Mobile

VS

Radeon RX 6450M

Graphics Card

Aug 2016

Release Date

Jan 2023

Mobility Radeon

Generation

Navi Mobile

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

2460 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

128.0GB/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

16 MB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

78.72 GPixel/s

155.1 GTexel/s

Texture Rate

118.1 GTexel/s

4.963 TFLOPS

FP16 (half)

7.557 TFLOPS

4.963 TFLOPS

FP32 (float)

3.779 TFLOPS

310.2 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Navi 24

Ellesmere 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

6.7

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