NVIDIA GeForce GTX 980 Mobile vs AMD Radeon RX 6600M

VS

NVIDIA GeForce GTX 980 Mobile

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Larger VRAM bandwidth (224.4GB/s vs 224.0GB/s)

256 additional rendering cores

AMD Radeon RX 6600M 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 112% (2416MHz vs 1140MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile

4.669 TFLOPS

Radeon RX 6600M +85%

8.659 TFLOPS

GeForce GTX 980 Mobile

VS

Radeon RX 6600M

Graphics Card

Sep 2015

Release Date

May 2021

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

1064 MHz

Base Clock

2068 MHz

1140 MHz

Boost Clock

2416 MHz

1753 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

2048

Shading Units

1792

128

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

72.96 GPixel/s

Pixel Rate

154.6 GPixel/s

145.9 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

4.669 TFLOPS

FP32 (float)

8.659 TFLOPS

145.9 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

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

-

6.7 (6.4)

Shader Model

6.5

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