NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GT 120M Mac Edition

VS

NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 256MB VRAM GeForce GT 120M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 12 years and 1 months late

Boost Clock1545MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 25.34GB/s)

6112 additional rendering cores

NVIDIA GeForce GT 120M Mac Edition 's Advantages

Lower TDP (14W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +23625%

18.98 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

GeForce RTX 3080 Mobile

VS

GeForce GT 120M Mac Edition

Graphics Card

Jan 2021

Release Date

Dec 2008

GeForce 30 Mobile

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

792 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

25.34GB/s

Render Config

-

48

SM Count

4

6144

Shading Units

32

192

TMUs

16

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

32 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

4.000 GPixel/s

296.6 GTexel/s

Texture Rate

8.000 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

80.00 GFLOPS

296.6 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

G96C

GA104-775-A1

GPU Variant

-

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.314 billion

392 mm²

Die Size

121 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.1

6.6

Shader Model

4.0

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