NVIDIA GeForce 945A vs NVIDIA GeForce RTX 5080 Mobile

VS

NVIDIA GeForce 945A

NVIDIA GeForce RTX 5080 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 175W)

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

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

GeForce RTX 5080 Mobile +3489%

32.77 TFLOPS

GeForce 945A

VS

GeForce RTX 5080 Mobile

Graphics Card

Mar 2015

Release Date

Jan 2025

GeForce 900A

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1006 MHz

Base Clock

1500 MHz

1189 MHz

Boost Clock

2000 MHz

1253 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

1.01TB/s

Render Config

-

SM Count

64

384

Shading Units

8192

24

TMUs

256

8

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

64 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

192.0 GPixel/s

28.54 GTexel/s

Texture Rate

512.0 GTexel/s

-

FP16 (half)

32.77 TFLOPS

913.2 GFLOPS

FP32 (float)

32.77 TFLOPS

28.54 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

33W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GB203

-

Maxwell

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

Unknown

Transistors

Unknown

Die Size

377 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

10.1

5.1

Shader Model

6.8

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