NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce 945A

VS

NVIDIA GeForce RTX 5080 Mobile

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 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 5080 Mobile 's Advantages

Released 9 years and 10 months late

Boost Clock has increased by 68% (2000MHz vs 1189MHz)

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 40.10GB/s)

7808 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +3489%

32.77 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce RTX 5080 Mobile

VS

GeForce 945A

Graphics Card

Jan 2025

Release Date

Mar 2015

GeForce 50 Mobile

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

1006 MHz

2000 MHz

Boost Clock

1189 MHz

2500 MHz

Memory Clock

1253 MHz

Memory

16GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

40.10GB/s

Render Config

-

64

SM Count

-

8192

Shading Units

384

256

TMUs

24

96

ROPs

8

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

64 MB

L2 Cache

1024 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

9.512 GPixel/s

512.0 GTexel/s

Texture Rate

28.54 GTexel/s

32.77 TFLOPS

FP16 (half)

-

32.77 TFLOPS

FP32 (float)

913.2 GFLOPS

512.0 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

175W

TDP

33W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

GM108

-

Blackwell 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

Unknown

377 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

10.1

CUDA

5.0

6.8

Shader Model

5.1

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