NVIDIA GeForce RTX 5090 Mobile vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce RTX 5090 Mobile

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile 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 5090 Mobile 's Advantages

Released 11 years and 9 months late

Boost Clock2000MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 80.00GB/s)

10368 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +5791%

43.01 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce RTX 5090 Mobile

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2025

Release Date

Apr 2013

GeForce 50 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1500 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2500 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

512MB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

128bit

1.01TB/s

Bandwidth

80.00GB/s

Render Config

-

84

SM Count

-

10752

Shading Units

384

336

TMUs

32

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

256.0 GPixel/s

Pixel Rate

7.600 GPixel/s

672.0 GTexel/s

Texture Rate

30.40 GTexel/s

43.01 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

729.6 GFLOPS

672.0 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

175W

TDP

50W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

GK107

-

Blackwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

377 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

10.1

CUDA

3.0

6.8

Shader Model

5.1

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