NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce GTX 680MX Mac Edition

VS

NVIDIA GeForce RTX 4090 Mobile

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 10 years and 3 months late

Boost Clock1695MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 160.0GB/s)

8192 additional rendering cores

Lower TDP (80W vs 122W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +1392%

32.98 TFLOPS

GeForce GTX 680MX Mac Edition

2.209 TFLOPS

GeForce RTX 4090 Mobile

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Jan 2023

Release Date

Oct 2012

GeForce 40 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

160.0GB/s

Render Config

-

76

SM Count

-

9728

Shading Units

1536

304

TMUs

128

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

23.01 GPixel/s

515.3 GTexel/s

Texture Rate

92.03 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

2.209 TFLOPS

515.3 GFLOPS

FP64 (double)

92.03 GFLOPS

Board Design

80-150W

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

GK104

GN21-X11

GPU Variant

N13E-GTX2-A2

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

3.54 billion

379 mm²

Die Size

294 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

6.8

Shader Model

5.1

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