NVIDIA GeForce GTX 980MX vs AMD Radeon RX 6600S

VS

NVIDIA GeForce GTX 980MX

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 4GB VRAM Radeon RX 6600S 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)

AMD Radeon RX 6600S 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 70% (2000MHz vs 1178MHz)

Larger VRAM bandwidth (224.0GB/s vs 192.0GB/s)

128 additional rendering cores

Lower TDP (80W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX

3.92 TFLOPS

Radeon RX 6600S +82%

7.168 TFLOPS

Blender

GeForce GTX 980MX

314

Radeon RX 6600S +255%

1115

GeForce GTX 980MX

VS

Radeon RX 6600S

Graphics Card

Jun 2016

Release Date

Jan 2022

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1050 MHz

Base Clock

1700 MHz

1178 MHz

Boost Clock

2000 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

1664

Shading Units

1792

104

TMUs

112

64

ROPs

64

-

RT Cores

28

48 KB (per SMM)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

75.39 GPixel/s

Pixel Rate

128.0 GPixel/s

122.5 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

3.920 TFLOPS

FP32 (float)

7.168 TFLOPS

122.5 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

148W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

Navi 23

N16E-GXX-A1

GPU Variant

-

Maxwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5.2 billion

Transistors

11.06 billion

398 mm²

Die Size

237 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

5.2

CUDA

-

6.4

Shader Model

6.5

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