AMD Radeon RX 6600M vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon RX 6600M NVIDIA GeForce GTX 980 Mobile

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

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 5 years and 8 months late

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

NVIDIA GeForce GTX 980 Mobile 's Advantages

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600M +85%

8.659 TFLOPS

GeForce GTX 980 Mobile

4.669 TFLOPS

Radeon RX 6600M

VS

GeForce GTX 980 Mobile

Graphics Card

May 2021

Release Date

Sep 2015

Mobility Radeon

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

2068 MHz

Base Clock

1064 MHz

2416 MHz

Boost Clock

1140 MHz

1750 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SMM)

2 MB

L2 Cache

2 MB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

72.96 GPixel/s

270.6 GTexel/s

Texture Rate

145.9 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

4.669 TFLOPS

541.2 GFLOPS

FP64 (double)

145.9 GFLOPS

Graphics Processor

Navi 23

GPU Name

GM204

-

GPU Variant

N16E-GXX-A1

RDNA 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

5.2 billion

237 mm²

Die Size

398 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.2

6.5

Shader Model

6.7 (6.4)

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