NVIDIA GeForce 945A vs NVIDIA GeForce RTX 3080 Max Q

VS

NVIDIA GeForce 945A

NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 8GB VRAM GeForce RTX 3080 Max Q 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 80W)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 5% (1245MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 40.10GB/s)

5760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

GeForce RTX 3080 Max Q +1575%

15.3 TFLOPS

GeForce 945A

VS

GeForce RTX 3080 Max Q

Graphics Card

Mar 2015

Release Date

Jan 2021

GeForce 900A

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1006 MHz

Base Clock

780 MHz

1189 MHz

Boost Clock

1245 MHz

1253 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

48

384

Shading Units

6144

24

TMUs

192

8

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

64 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

119.5 GPixel/s

28.54 GTexel/s

Texture Rate

239.0 GTexel/s

-

FP16 (half)

15.30 TFLOPS

913.2 GFLOPS

FP32 (float)

15.30 TFLOPS

28.54 GFLOPS

FP64 (double)

239.0 GFLOPS

Board Design

33W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GA104

-

GPU Variant

GA104-775-A1

Maxwell

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

Unknown

Transistors

17.4 billion

Unknown

Die Size

392 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

8.6

5.1

Shader Model

6.6

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