NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce RTX 4090 Max-Q

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 10 years and 10 months late

Boost Clock has increased by 53% (1455MHz vs 950MHz)

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

9344 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +3778%

28.31 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

GeForce RTX 4090 Max Q

VS

GeForce GTX 660M

Graphics Card

Jan 2023

Release Date

Mar 2012

GeForce 40 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

930 MHz

Base Clock

835 MHz

1455 MHz

Boost Clock

950 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.00GB/s

Render Config

-

76

SM Count

-

9728

Shading Units

384

304

TMUs

32

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

7.600 GPixel/s

442.3 GTexel/s

Texture Rate

30.40 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

729.6 GFLOPS

442.3 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

80W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

GK107

GN21-X11

GPU Variant

N13E-GE-A2

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

1.27 billion

379 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

8.9

CUDA

3.0

6.7

Shader Model

5.1

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