AMD Radeon RX 6550M vs NVIDIA GeForce GTX 660M Mac Edition

VS

AMD Radeon RX 6550M

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 9 years and 9 months late

Boost Clock2840MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (144.0GB/s vs 80.00GB/s)

640 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6550M +696%

5.816 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Radeon RX 6550M

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2023

Release Date

Apr 2013

Navi Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

MXM-B (3.0)

Clock Speeds

2000 MHz

Base Clock

-

2840 MHz

Boost Clock

-

2250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

144.0GB/s

Bandwidth

80.00GB/s

Render Config

16

Compute Units

-

1024

Shading Units

384

64

TMUs

32

ROPs

16

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

90.88 GPixel/s

Pixel Rate

7.600 GPixel/s

181.8 GTexel/s

Texture Rate

30.40 GTexel/s

11.63 TFLOPS

FP16 (half)

-

5.816 TFLOPS

FP32 (float)

729.6 GFLOPS

363.5 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

80W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GK107

Navi 24

GPU Variant

-

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.27 billion

107 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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