AMD Radeon RX 6450M vs NVIDIA GeForce RTX 3080 Ti Mobile

VS

AMD Radeon RX 6450M NVIDIA GeForce RTX 3080 Ti Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 16GB VRAM GeForce RTX 3080 Ti 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 1 years late

Boost Clock has increased by 95% (2460MHz vs 1260MHz)

Lower TDP (50W vs 115W)

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 3080 Ti Mobile +395%

18.71 TFLOPS

Radeon RX 6450M

VS

GeForce RTX 3080 Ti Mobile

Graphics Card

Jan 2023

Release Date

Jan 2022

Navi Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

2000 MHz

Base Clock

810 MHz

2460 MHz

Boost Clock

1260 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

58

12

Compute Units

-

768

Shading Units

7424

48

TMUs

232

32

ROPs

96

-

Tensor Cores

232

12

RT Cores

58

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

121.0 GPixel/s

118.1 GTexel/s

Texture Rate

292.3 GTexel/s

7.557 TFLOPS

FP16 (half)

18.71 TFLOPS

3.779 TFLOPS

FP32 (float)

18.71 TFLOPS

236.2 GFLOPS

FP64 (double)

292.3 GFLOPS

Graphics Processor

Navi 24

GPU Name

GA103S

Navi 24 XML

GPU Variant

GN20-E8-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

5.4 billion

Transistors

Unknown

107 mm²

Die Size

496 mm²

Board Design

50W

TDP

115W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.5

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