NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce GT 750M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce GT 750M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 2GB VRAM GeForce GT 750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 8 years late

Boost Clock has increased by 60% (1545MHz vs 967MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 64.19GB/s)

5760 additional rendering cores

NVIDIA GeForce GT 750M 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +2454%

18.98 TFLOPS

GeForce GT 750M

0.743 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

GeForce GT 750M

Graphics Card

Jan 2021

Release Date

Jan 2013

GeForce 30 Mobile

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

941 MHz

1545 MHz

Boost Clock

967 MHz

1750 MHz

Memory Clock

1003 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.19GB/s

Render Config

-

48

SM Count

-

6144

Shading Units

384

192

TMUs

32

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

7.736 GPixel/s

296.6 GTexel/s

Texture Rate

30.94 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

742.7 GFLOPS

296.6 GFLOPS

FP64 (double)

30.94 GFLOPS

Board Design

115W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

GK107

GA104-775-A1

GPU Variant

N14P-GT

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.27 billion

392 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

8.6

CUDA

3.0

6.8

Shader Model

5.1

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