NVIDIA GeForce RTX 2080 Max Q vs AMD Radeon RX 6450M

VS

NVIDIA GeForce RTX 2080 Max Q

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q 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 2080 Max Q 's Advantages

More VRAM (8GB vs 4GB)

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

2176 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 4 years late

Boost Clock has increased by 125% (2460MHz vs 1095MHz)

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +70%

6.447 TFLOPS

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 2080 Max Q

VS

Radeon RX 6450M

Graphics Card

Jan 2019

Release Date

Jan 2023

GeForce 20 Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

735 MHz

Base Clock

2000 MHz

1095 MHz

Boost Clock

2460 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

384.0GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

46

SM Count

-

2944

Shading Units

768

184

TMUs

48

64

ROPs

32

368

Tensor Cores

-

46

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

70.08 GPixel/s

Pixel Rate

78.72 GPixel/s

201.5 GTexel/s

Texture Rate

118.1 GTexel/s

12.89 TFLOPS

FP16 (half)

7.557 TFLOPS

6.447 TFLOPS

FP32 (float)

3.779 TFLOPS

201.5 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

TU104

GPU Name

Navi 24

N18E-G3-A1

GPU Variant

Navi 24 XML

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

6 nm

13.6 billion

Transistors

5.4 billion

545 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

7.5

CUDA

-

6.6

Shader Model

6.7

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