AMD Radeon RX 6600S vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon RX 6600S

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S 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 6600S 's Advantages

Released 6 years and 4 months late

Boost Clock has increased by 75% (2000MHz vs 1140MHz)

NVIDIA GeForce GTX 980 Mobile 's Advantages

More VRAM (8GB vs 4GB)

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600S +53%

7.168 TFLOPS

GeForce GTX 980 Mobile

4.669 TFLOPS

Radeon RX 6600S

VS

GeForce GTX 980 Mobile

Graphics Card

Jan 2022

Release Date

Sep 2015

Mobility Radeon

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1700 MHz

Base Clock

1064 MHz

2000 MHz

Boost Clock

1140 MHz

1750 MHz

Memory Clock

1753 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

224.4GB/s

Render Config

28

Compute Units

-

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

28

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SMM)

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

72.96 GPixel/s

224.0 GTexel/s

Texture Rate

145.9 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

4.669 TFLOPS

448.0 GFLOPS

FP64 (double)

145.9 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

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

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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