AMD Radeon RX 6450M vs NVIDIA GeForce RTX 3080 Max Q

VS

AMD Radeon RX 6450M

NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 8GB VRAM GeForce RTX 3080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 2 years late

Boost Clock has increased by 98% (2460MHz vs 1245MHz)

Lower TDP (50W vs 80W)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 128.0GB/s)

5376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 3080 Max Q +304%

15.3 TFLOPS

Radeon RX 6450M

VS

GeForce RTX 3080 Max Q

Graphics Card

Jan 2023

Release Date

Jan 2021

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

780 MHz

2460 MHz

Boost Clock

1245 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

384.0GB/s

Render Config

12

Compute Units

-

SM Count

48

768

Shading Units

6144

48

TMUs

192

32

ROPs

96

-

Tensor Cores

192

12

RT Cores

48

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

119.5 GPixel/s

118.1 GTexel/s

Texture Rate

239.0 GTexel/s

7.557 TFLOPS

FP16 (half)

15.30 TFLOPS

3.779 TFLOPS

FP32 (float)

15.30 TFLOPS

236.2 GFLOPS

FP64 (double)

239.0 GFLOPS

Board Design

50W

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GA104

Navi 24 XML

GPU Variant

GA104-775-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

5.4 billion

Transistors

17.4 billion

107 mm²

Die Size

392 mm²

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

6.6

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