NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon RX 560X Mobile

VS

NVIDIA GeForce GTX 660M Mac Edition AMD Radeon RX 560X Mobile

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 4GB VRAM Radeon RX 560X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 65W)

AMD Radeon RX 560X Mobile 's Advantages

Released 5 years and 9 months late

Larger VRAM bandwidth (112.0GB/s vs 80.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Radeon RX 560X Mobile +200%

2.192 TFLOPS

GeForce GTX 660M Mac Edition

VS

Radeon RX 560X Mobile

Graphics Card

Apr 2013

Release Date

Jan 2019

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

Compute Units

14

384

Shading Units

896

32

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

19.57 GPixel/s

30.40 GTexel/s

Texture Rate

68.49 GTexel/s

-

FP16 (half)

2.192 TFLOPS

729.6 GFLOPS

FP32 (float)

2.192 TFLOPS

30.40 GFLOPS

FP64 (double)

137.0 GFLOPS

Graphics Processor

GK107

GPU Name

Polaris 31

-

GPU Variant

Polaris 31 MXL

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

3 billion

118 mm²

Die Size

123 mm²

Board Design

50W

TDP

65W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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