NVIDIA GeForce GTX 980MX vs AMD Radeon RX 6450M

VS

NVIDIA GeForce GTX 980MX AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX 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 GTX 980MX 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (192.0GB/s vs 128.0GB/s)

896 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 6 years and 7 months late

Boost Clock has increased by 109% (2460MHz vs 1178MHz)

Lower TDP (50W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +3%

3.92 TFLOPS

Radeon RX 6450M

3.779 TFLOPS

GeForce GTX 980MX

VS

Radeon RX 6450M

Graphics Card

Jun 2016

Release Date

Jan 2023

GeForce 900M

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1050 MHz

Base Clock

2000 MHz

1178 MHz

Boost Clock

2460 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

Compute Units

12

1664

Shading Units

768

104

TMUs

48

64

ROPs

32

-

Tensor Cores

-

RT Cores

12

48 KB (per SMM)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

Theoretical Performance

75.39 GPixel/s

Pixel Rate

78.72 GPixel/s

122.5 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

3.920 TFLOPS

FP32 (float)

3.779 TFLOPS

122.5 GFLOPS

FP64 (double)

236.2 GFLOPS

Graphics Processor

GM204

GPU Name

Navi 24

N16E-GXX-A1

GPU Variant

Navi 24 XML

Maxwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

5.2 billion

Transistors

5.4 billion

398 mm²

Die Size

107 mm²

Board Design

148W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

5.2

CUDA

-

6.4

Shader Model

6.7

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