NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6450M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 128.0GB/s)

5376 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 2 years late

Boost Clock has increased by 59% (2460MHz vs 1545MHz)

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +402%

18.98 TFLOPS

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon RX 6450M

Graphics Card

Jan 2021

Release Date

Jan 2023

GeForce 30 Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1110 MHz

Base Clock

2000 MHz

1545 MHz

Boost Clock

2460 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

48

SM Count

-

6144

Shading Units

768

192

TMUs

48

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

78.72 GPixel/s

296.6 GTexel/s

Texture Rate

118.1 GTexel/s

18.98 TFLOPS

FP16 (half)

7.557 TFLOPS

18.98 TFLOPS

FP32 (float)

3.779 TFLOPS

296.6 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

115W

TDP

50W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 24

GA104-775-A1

GPU Variant

Navi 24 XML

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

17.4 billion

Transistors

5.4 billion

392 mm²

Die Size

107 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.8

Shader Model

6.7

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