NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce GTX 485M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce GTX 485M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 2GB VRAM GeForce GTX 485M 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 10 years late

Boost Clock1545MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 96.00GB/s)

5760 additional rendering cores

NVIDIA GeForce GTX 485M 's Advantages

Lower TDP (100W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +2049%

18.98 TFLOPS

GeForce GTX 485M

0.883 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

GeForce GTX 485M

Graphics Card

Jan 2021

Release Date

Jan 2011

GeForce 30 Mobile

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

750 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

96.00GB/s

Render Config

-

48

SM Count

8

6144

Shading Units

384

192

TMUs

64

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

9.200 GPixel/s

296.6 GTexel/s

Texture Rate

36.80 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

883.2 GFLOPS

296.6 GFLOPS

FP64 (double)

73.60 GFLOPS

Board Design

115W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

GF104

GA104-775-A1

GPU Variant

N12E-GTX-A1

Ampere

Architecture

Fermi

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.95 billion

392 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.8

Shader Model

5.1

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