NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce 945A

VS

NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 1024MB VRAM GeForce 945A 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 5 years and 10 months late

Boost Clock has increased by 30% (1545MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 40.10GB/s)

5760 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +1978%

18.98 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce RTX 3080 Mobile

VS

GeForce 945A

Graphics Card

Jan 2021

Release Date

Mar 2015

GeForce 30 Mobile

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

1006 MHz

1545 MHz

Boost Clock

1189 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

40.10GB/s

Render Config

-

48

SM Count

-

6144

Shading Units

384

192

TMUs

24

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

9.512 GPixel/s

296.6 GTexel/s

Texture Rate

28.54 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

913.2 GFLOPS

296.6 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

115W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

GM108

GA104-775-A1

GPU Variant

-

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

Unknown

392 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

5.0

6.6

Shader Model

5.1

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