AMD Radeon RX 6450M vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon RX 6450M NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 12GB VRAM GeForce RTX 4080 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

Boost Clock has increased by 82% (2460MHz vs 1350MHz)

Lower TDP (50W vs 60W)

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 128.0GB/s)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 4080 Max Q +430%

20.04 TFLOPS

Radeon RX 6450M

VS

GeForce RTX 4080 Max Q

Graphics Card

Jan 2023

Release Date

Jan 2023

Navi Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

2000 MHz

Base Clock

795 MHz

2460 MHz

Boost Clock

1350 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

192bit

128.0GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

58

12

Compute Units

-

768

Shading Units

7424

48

TMUs

232

32

ROPs

80

-

Tensor Cores

232

12

RT Cores

58

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

48 MB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

108.0 GPixel/s

118.1 GTexel/s

Texture Rate

313.2 GTexel/s

7.557 TFLOPS

FP16 (half)

20.04 TFLOPS

3.779 TFLOPS

FP32 (float)

20.04 TFLOPS

236.2 GFLOPS

FP64 (double)

313.2 GFLOPS

Graphics Processor

Navi 24

GPU Name

AD104

Navi 24 XML

GPU Variant

GN21-X9

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

6 nm

Process Size

4 nm

5.4 billion

Transistors

35.8 billion

107 mm²

Die Size

295 mm²

Board Design

50W

TDP

60W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

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

8.9

6.7

Shader Model

6.7

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