NVIDIA GeForce RTX 2080 Max Q vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce RTX 2080 Max Q

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q 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

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 5 years and 9 months late

Boost Clock1095MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 80.00GB/s)

2560 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +783%

6.447 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce RTX 2080 Max Q

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2019

Release Date

Apr 2013

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

735 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

80.00GB/s

Render Config

-

46

SM Count

-

2944

Shading Units

384

184

TMUs

32

64

ROPs

16

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

70.08 GPixel/s

Pixel Rate

7.600 GPixel/s

201.5 GTexel/s

Texture Rate

30.40 GTexel/s

12.89 TFLOPS

FP16 (half)

-

6.447 TFLOPS

FP32 (float)

729.6 GFLOPS

201.5 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

TU104

GPU Name

GK107

N18E-G3-A1

GPU Variant

-

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

1.27 billion

545 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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